General
- Target lockbit.zip
- Size 203KB
- Sample240430-x8a1ssee5v
- SHA256 9e1342e551b8eec0a18eb329f1968b9d81023e1152a15702fc901d8d129c16c2
- MD5 931e705e45ad0a5f0e5845636d03c922
- SHA1 e5d04b01cf0089d017a82ffbf69ae8b4acde2a62
- SHA512 059454fb084f9af77cb1bdaeed37256517445e52e5978a8bba254763da6623fd074bcf8e10d01cbc3cafa4b2616c735ae4d8a6f28eb9b2c5c0313f03c951374d
- SSDEEP 3072:9BXTH5uXDVoKoXsciMGb/Ou/SRzkhNZlcA/WtXRviGkx0jo1VuAXEfq9nygdc3k5:9NQCVipOu/GWNh/EAL0fq92kcK
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Behavioral task
behavioral1
Sample
lb.exe
Resource
win7-20240221-en
15 signatures
150 seconds
Behavioral task
behavioral2
Sample
lb.exe
Resource
win10v2004-20240419-en
20 signatures
150 seconds
Behavioral task
behavioral3
Sample
lbb.exe
Resource
win7-20240221-en
15 signatures
150 seconds
Behavioral task
behavioral4
Sample
lbb.exe
Resource
win10v2004-20240419-en
19 signatures
150 seconds
Malware Config
Targets
-
- Target lb.exe
- Size 194KB
- SHA256 41e187191625d749b89a11bc04fc0b2a3b9bd638035d05b39365c47ab36d1898
- MD5 6fd558cf3add096970e15d1e62ca1957
- SHA1 78e95fabcfe8ef7bb6419f8456deccc3d5fa4c23
- SHA512 fac7efe9b76f9b6a917f8751f5be64ad8e067e5404fe05f3e9d7781ea3661a06c0baaac676a6023eb4a0b7f01bc2bb2d64d572f85aec8ad8de35cc7f106e1fdc
- SSDEEP 3072:n6glyuxE4GsUPnliByocWepMhJL4BFkTGX:n6gDBGpvEByocWeyhJL4UK
- MD5 SHA1 SHA512 SSDEEP
Score9/10Renames multiple (322) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Deletes itself
Executes dropped EXE
Loads dropped DLL
Drops desktop.ini file(s)
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger
-
- Target lbb.exe
- Size 194KB
- SHA256 a18a6bacc0d8b1dd4544cdf1e178a98a36b575b5be8b307c27c65455b1307616
- MD5 e990e7571cdb06c5d0f093176cecf414
- SHA1 409fc0816adbf05ac1586112044401ecb90c8022
- SHA512 9719fb45a0cd79ba8d51c3d052fe76dcb6d1b5b677a5398cc4fdbe6373d8763d2b0c3375929f41c5a0e46237b4a3f660b0b7f6a4f8a24ea47d52074da69baa64
- SSDEEP 3072:A6glyuxE4GsUPnliByocWepzdBaChENI/NBpke:A6gDBGpvEByocWelq+V
- MD5 SHA1 SHA512 SSDEEP
Score9/10Renames multiple (325) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Deletes itself
Executes dropped EXE
Loads dropped DLL
Drops desktop.ini file(s)
Drops file in System32 directory
Sets desktop wallpaper using registry
Suspicious use of NtSetInformationThreadHideFromDebugger