darkcomet | 277b29da75be667b87ac5d2dd2ce45c8f1dc38a0ac463241de05ce57705d4e65

General

Target

3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Size

658KB
MD5

3a7500df5571bc8ae1108afb529ec14b
SHA1

454cbc5921a1336f1e8692779246130ce4857a86
SHA256

277b29da75be667b87ac5d2dd2ce45c8f1dc38a0ac463241de05ce57705d4e65
SHA512

0c61e651597ae4bbc4f2ac44f69f5591172d5af81f2c17c01631dea19f035b9a2dfd45af2975b61308900c4efe0a3c72bee695c9f4fc63d8b6485ff447a77b63
SSDEEP

12288:O9HMeUmcufrvA3kb445UEJ2jsWiD4EvFuu4cNgZhCiZKD/XdyFH:aiBIGkbxqEcjsWiDxguehC2SM

Score

10^/10

darkcomet guest16_min persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

192.168.111.135:1604

Mutex

DCMIN_MUTEX-4HS8P8W

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
zq8KQvyl6gUC
install
true
offline_keylogger
true
persistence
false
reg_key
RobloxHack

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

T1547.004

Modify Registry

T1112

Processes:

3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.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"	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

2504 IMDCSC.exe
Loads dropped DLL 2 IoCs

Processes:

3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe

pid process

2964 3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
2964 3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe

pid	process
2504	IMDCSC.exe

pid	process
2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\RobloxHack = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeSecurityPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeBackupPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeRestorePrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeShutdownPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeDebugPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeUndockPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: 33	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: 34	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: 35	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2504	IMDCSC.exe
Token: SeSecurityPrivilege	2504	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	2504	IMDCSC.exe
Token: SeLoadDriverPrivilege	2504	IMDCSC.exe
Token: SeSystemProfilePrivilege	2504	IMDCSC.exe
Token: SeSystemtimePrivilege	2504	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	2504	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	2504	IMDCSC.exe
Token: SeCreatePagefilePrivilege	2504	IMDCSC.exe
Token: SeBackupPrivilege	2504	IMDCSC.exe
Token: SeRestorePrivilege	2504	IMDCSC.exe
Token: SeShutdownPrivilege	2504	IMDCSC.exe
Token: SeDebugPrivilege	2504	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	2504	IMDCSC.exe
Token: SeChangeNotifyPrivilege	2504	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	2504	IMDCSC.exe
Token: SeUndockPrivilege	2504	IMDCSC.exe
Token: SeManageVolumePrivilege	2504	IMDCSC.exe
Token: SeImpersonatePrivilege	2504	IMDCSC.exe
Token: SeCreateGlobalPrivilege	2504	IMDCSC.exe
Token: 33	2504	IMDCSC.exe
Token: 34	2504	IMDCSC.exe
Token: 35	2504	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

2504 IMDCSC.exe

pid	process
2504	IMDCSC.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe

description	pid	process	target process
PID 2964 wrote to memory of 2504	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe	IMDCSC.exe
PID 2964 wrote to memory of 2504	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe	IMDCSC.exe
PID 2964 wrote to memory of 2504	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe	IMDCSC.exe
PID 2964 wrote to memory of 2504	2964	3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\3a7500df5571bc8ae1108afb529ec14b_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2964
- 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:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

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

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

Filesize
658KB

MD5
3a7500df5571bc8ae1108afb529ec14b

SHA1
454cbc5921a1336f1e8692779246130ce4857a86

SHA256
277b29da75be667b87ac5d2dd2ce45c8f1dc38a0ac463241de05ce57705d4e65

SHA512
0c61e651597ae4bbc4f2ac44f69f5591172d5af81f2c17c01631dea19f035b9a2dfd45af2975b61308900c4efe0a3c72bee695c9f4fc63d8b6485ff447a77b63

Download Submit
memory/2504-10-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2504-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2504-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2964-0-0x00000000002B0000-0x00000000002B1000-memory.dmp

Filesize
4KB

Download
memory/2964-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads