Analysis
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max time kernel
115s -
max time network
35s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
23-08-2021 12:27
Static task
static1
Behavioral task
behavioral1
Sample
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe
Resource
win10v20210408
General
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Target
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe
Malware Config
Extracted
blackmatter
1.4
caa0d21adc7bdc4dc424497512a8f37d
https://paymenthacks.com
http://paymenthacks.com
https://mojobiden.com
http://mojobiden.com
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attempt_auth
false
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create_mutex
true
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encrypt_network_shares
true
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exfiltrate
true
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mount_volumes
true
Signatures
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BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
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Loads dropped DLL 1 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exepid process 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exepid process 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exedescription pid process target process PID 2028 set thread context of 1728 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 484 1728 WerFault.exe cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe -
Modifies Control Panel 1 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\International cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe -
Suspicious behavior: EnumeratesProcesses 7 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exeWerFault.exepid process 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe 484 WerFault.exe 484 WerFault.exe 484 WerFault.exe 484 WerFault.exe 484 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
WerFault.exepid process 484 WerFault.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exepid process 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe -
Suspicious use of AdjustPrivilegeToken 15 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exeWerFault.exedescription pid process Token: SeBackupPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeDebugPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: 36 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeImpersonatePrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeIncBasePriorityPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeIncreaseQuotaPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: 33 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeManageVolumePrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeProfSingleProcessPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeRestorePrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeSecurityPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeSystemProfilePrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeTakeOwnershipPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeShutdownPrivilege 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe Token: SeDebugPrivilege 484 WerFault.exe -
Suspicious use of WriteProcessMemory 9 IoCs
Processes:
cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.execf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exedescription pid process target process PID 2028 wrote to memory of 1728 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe PID 2028 wrote to memory of 1728 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe PID 2028 wrote to memory of 1728 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe PID 2028 wrote to memory of 1728 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe PID 2028 wrote to memory of 1728 2028 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe PID 1728 wrote to memory of 484 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe WerFault.exe PID 1728 wrote to memory of 484 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe WerFault.exe PID 1728 wrote to memory of 484 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe WerFault.exe PID 1728 wrote to memory of 484 1728 cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe"C:\Users\Admin\AppData\Local\Temp\cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe"C:\Users\Admin\AppData\Local\Temp\cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Control Panel
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 3483⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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\Users\Admin\AppData\Local\Temp\nss6EBB.tmp\System.dllMD5
fccff8cb7a1067e23fd2e2b63971a8e1
SHA130e2a9e137c1223a78a0f7b0bf96a1c361976d91
SHA2566fcea34c8666b06368379c6c402b5321202c11b00889401c743fb96c516c679e
SHA512f4335e84e6f8d70e462a22f1c93d2998673a7616c868177cac3e8784a3be1d7d0bb96f2583fa0ed82f4f2b6b8f5d9b33521c279a42e055d80a94b4f3f1791e0c
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memory/484-64-0x0000000000000000-mapping.dmp
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memory/484-69-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1728-62-0x000000000040EB61-mapping.dmp
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memory/1728-66-0x0000000000265000-0x0000000000276000-memory.dmpFilesize
68KB
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memory/1728-65-0x0000000000400000-0x0000000000414000-memory.dmpFilesize
80KB
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memory/1728-67-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/1728-68-0x0000000000276000-0x0000000000277000-memory.dmpFilesize
4KB
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memory/2028-60-0x00000000765F1000-0x00000000765F3000-memory.dmpFilesize
8KB