darkcomet | a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb

General

Target

a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Size

658KB
MD5

f0016753a0f7d4a77577219f32cbe1a3
SHA1

8cf1834af6492053e1d52c202e2f447978d36898
SHA256

a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb
SHA512

285ddc39de01fb5b57ef95102cfb085847274b41a91b90de6c01dfa3f0c553f3c5968750cd9577f681eed7b18ca23530c2a186821b28468665078ad9c76f1c8a

Score

10^/10

darkcomet junior_sazan persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Junior_Sazan

C2

tcp.ngrok.io:1604

Mutex

DCMIN_MUTEX-TGBV1JW

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
DYogjpAqTBHJ
install
true
offline_keylogger
true
persistence
false
reg_key
Windows Defender

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

2028 IMDCSC.exe

pid	process
2028	IMDCSC.exe

Loads dropped DLL 2 IoCs

Processes:

a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe

pid	process
980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Defender = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeSecurityPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeTakeOwnershipPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeLoadDriverPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeSystemProfilePrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeSystemtimePrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeProfSingleProcessPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeIncBasePriorityPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeCreatePagefilePrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeBackupPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeRestorePrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeShutdownPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeDebugPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeSystemEnvironmentPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeChangeNotifyPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeRemoteShutdownPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeUndockPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeManageVolumePrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeImpersonatePrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeCreateGlobalPrivilege	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: 33	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: 34	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: 35	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
Token: SeIncreaseQuotaPrivilege	2028	IMDCSC.exe
Token: SeSecurityPrivilege	2028	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2028	IMDCSC.exe
Token: SeLoadDriverPrivilege	2028	IMDCSC.exe
Token: SeSystemProfilePrivilege	2028	IMDCSC.exe
Token: SeSystemtimePrivilege	2028	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2028	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2028	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2028	IMDCSC.exe
Token: SeBackupPrivilege	2028	IMDCSC.exe
Token: SeRestorePrivilege	2028	IMDCSC.exe
Token: SeShutdownPrivilege	2028	IMDCSC.exe
Token: SeDebugPrivilege	2028	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2028	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2028	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2028	IMDCSC.exe
Token: SeUndockPrivilege	2028	IMDCSC.exe
Token: SeManageVolumePrivilege	2028	IMDCSC.exe
Token: SeImpersonatePrivilege	2028	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2028	IMDCSC.exe
Token: 33	2028	IMDCSC.exe
Token: 34	2028	IMDCSC.exe
Token: 35	2028	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

2028 IMDCSC.exe

pid	process
2028	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe

description	pid	process	target process
PID 980 wrote to memory of 2028	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe	IMDCSC.exe
PID 980 wrote to memory of 2028	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe	IMDCSC.exe
PID 980 wrote to memory of 2028	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe	IMDCSC.exe
PID 980 wrote to memory of 2028	980	a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe
"C:\Users\Admin\AppData\Local\Temp\a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:980
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2028

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

Winlogon Helper DLL

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

MD5
f0016753a0f7d4a77577219f32cbe1a3

SHA1
8cf1834af6492053e1d52c202e2f447978d36898

SHA256
a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb

SHA512
285ddc39de01fb5b57ef95102cfb085847274b41a91b90de6c01dfa3f0c553f3c5968750cd9577f681eed7b18ca23530c2a186821b28468665078ad9c76f1c8a

Download Submit
C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

MD5
f0016753a0f7d4a77577219f32cbe1a3

SHA1
8cf1834af6492053e1d52c202e2f447978d36898

SHA256
a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb

SHA512
285ddc39de01fb5b57ef95102cfb085847274b41a91b90de6c01dfa3f0c553f3c5968750cd9577f681eed7b18ca23530c2a186821b28468665078ad9c76f1c8a

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

MD5
f0016753a0f7d4a77577219f32cbe1a3

SHA1
8cf1834af6492053e1d52c202e2f447978d36898

SHA256
a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb

SHA512
285ddc39de01fb5b57ef95102cfb085847274b41a91b90de6c01dfa3f0c553f3c5968750cd9577f681eed7b18ca23530c2a186821b28468665078ad9c76f1c8a

Download Submit
\Users\Admin\Documents\DCSCMIN\IMDCSC.exe

MD5
f0016753a0f7d4a77577219f32cbe1a3

SHA1
8cf1834af6492053e1d52c202e2f447978d36898

SHA256
a2dff7ad9fd1ba464b6e116e783130b22fd809b0384acdf55d5b075cdba71fcb

SHA512
285ddc39de01fb5b57ef95102cfb085847274b41a91b90de6c01dfa3f0c553f3c5968750cd9577f681eed7b18ca23530c2a186821b28468665078ad9c76f1c8a

Download Submit
memory/980-59-0x0000000075FF1000-0x0000000075FF3000-memory.dmp

Filesize
8KB

Download
memory/980-60-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download
memory/2028-63-0x0000000000000000-mapping.dmp

Download
memory/2028-67-0x0000000000340000-0x0000000000341000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads