blackmatter | 08dca840a349cd814b1f5aae53ba95f204c8207d02b44561f5760482eb84fbfe

General

Target

cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe

Score

10^/10

blackmatter caa0d21adc7bdc4dc424497512a8f37d ransomware

Malware Config

Extracted

Family

blackmatter

Version

1.4

Botnet

caa0d21adc7bdc4dc424497512a8f37d

C2

https://paymenthacks.com

http://paymenthacks.com

https://mojobiden.com

http://mojobiden.com

Attributes

attempt_auth
false
create_mutex
true
encrypt_network_shares
true
exfiltrate
true
mount_volumes
true

rsa_pubkey.base64

aes.base64

Signatures

BlackMatter Ransomware
BlackMatter ransomware group claims to be Darkside and REvil succesor.
ransomware blackmatter

Loads dropped DLL 1 IoCs

pid	Process
2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1728	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2028 set thread context of 1728	2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	29

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
484	1728	WerFault.exe	29

Modifies Control Panel 1 IoCs

evasion

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Control Panel\International	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	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

pid	Process
484	WerFault.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	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

description	pid	Process	procid_target
PID 2028 wrote to memory of 1728	2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	29
PID 2028 wrote to memory of 1728	2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	29
PID 2028 wrote to memory of 1728	2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	29
PID 2028 wrote to memory of 1728	2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	29
PID 2028 wrote to memory of 1728	2028	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	29
PID 1728 wrote to memory of 484	1728	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	30
PID 1728 wrote to memory of 484	1728	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	30
PID 1728 wrote to memory of 484	1728	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	30
PID 1728 wrote to memory of 484	1728	cf60d0d6b05bfe2e51ca9dac01a4ae506b90d78d8d9d0fc266e3c01d8d2ba6b7.exe	30

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
PID:2028
- 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
  PID:1728
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 348
    3⤵
    - Program crash
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:484

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/484-69-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/1728-66-0x0000000000265000-0x0000000000276000-memory.dmp

Filesize
68KB

Download
memory/1728-65-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1728-67-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/1728-68-0x0000000000276000-0x0000000000277000-memory.dmp

Filesize
4KB

Download
memory/2028-60-0x00000000765F1000-0x00000000765F3000-memory.dmp

Filesize
8KB

Download

Analysis

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