Ransomware Research
About ABCD
ABCD
ABCD was first discovered in December 2019 in enterprise cloud environments. ABCD is found in environments with a number of different names, including LockBit, LockBit 2.0, Lock2Bits, LuckyDay, etc. For a full list of all names, please see below.
| Name | ABCD |
|---|---|
| AKA |
|
| First Seen | December 2019 |
Genealogy
To better understand ABCD, we can trace it’s origins. Below is a snapshot of ABCD’s genealogy.
| LockerGoga » MegaCortex » ABCD » Lock2Bits |
Targeting
Behavior of ABCD
ABCD is known to target specific file types. Below are all known file types that ABCD is known to infect.
In some cases, ransomware will update the modified date, when it encrypts files. ABCD updates the last modified date of the file it targets.
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Characteristics of ABCD
Here are some of the unique characteristics that are helpful to know about ABCD.
Suffixes
Some ransomware will change or append a suffix to the end of the file after they are encrypted, including changing the extension of a file. Here are some of the possible suffixes that ABCD ransomware is known to change.
| Suffixes | .abcd, .lockbit, .lock2bits, .luckyday |
|---|
Ransomware Notes
Not all ransomware leaves a note. However, some ransomware leaves the infected party instructions on what the user should do to get rid of the ransomware, or satisfy the ransom. This often involves transferring money, often bitcoin or another cryptocurrency to a designated wallet.
Below are the type(s) of notes, content, and typical locations where Elastio has found ransom notes from ABCD.
| Type | file |
|---|---|
| File Name | Restore-My-Files.txt |
| Location | EveryFolder |
| Type | file |
|---|---|
| File Name | File Recovery.txt |
Executables
These are the names of the executables that contain the undetonated ransomware payload for ABCD.
| Executables | Lockbit.bin, 2.exe, PNDlqruXJSRDXAZ.exe, sh1.exe, t6FF4.exe1, tau777.exe, lb777.exe, mitigation Continuity, lkb99.exe, LockBIT_172375D30BE340B4.exe, LockBit_A9FB6E8B06F112C4.exe |
|---|
External Pages
Ransomware often links to external pages such as payment pages, telegram contacts, etc. Below are some of the URLs Elastio has found to be associated with ABCD.
| External Pages |
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|---|
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