darkcomet | 1fc634dc8146f64b2efbfd70cb5398277d65c8ddd65f121680c0341336cfeb88

General

Target

eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Size

649KB
MD5

eeed818f660f7e0065f7552dadf8e267
SHA1

703b37ad6671bdbf3398ba94e46c6e7c8970f464
SHA256

1fc634dc8146f64b2efbfd70cb5398277d65c8ddd65f121680c0341336cfeb88
SHA512

43ab5091f36db824a0d49c9c0eae2407af77a3c811bdae10430aa50e337287e78465315afe797f1b67da3b4691a80cb33b73f6d68a17924d0ee305fa59c79e7d
SSDEEP

12288:bk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+F:Q0QRWoJEfg0oChGdJQbjPbNW5tYeP+Gs

Score

10^/10

darkcomet server discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Server

C2

internetlogger.no-ip.info:8080

Mutex

DCMIN_MUTEX-4G9M569

Attributes

InstallPath
DCSCMIN\IMDCSC.exe
gencode
MsmmgsYgTMoS
install
true
offline_keylogger
true
persistence
false
reg_key
DarkComet RAT

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:

eeed818f660f7e0065f7552dadf8e267_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"	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

IMDCSC.exe

pid process

1740 IMDCSC.exe

pid	process
1740	IMDCSC.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DarkComet RAT = "C:\\Users\\Admin\\Documents\\DCSCMIN\\IMDCSC.exe"	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exeIMDCSC.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IMDCSC.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exeIMDCSC.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeSecurityPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeBackupPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeRestorePrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeShutdownPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeDebugPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeUndockPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: 33	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: 34	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: 35	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: 36	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1740	IMDCSC.exe
Token: SeSecurityPrivilege	1740	IMDCSC.exe
Token: SeTakeOwnershipPrivilege	1740	IMDCSC.exe
Token: SeLoadDriverPrivilege	1740	IMDCSC.exe
Token: SeSystemProfilePrivilege	1740	IMDCSC.exe
Token: SeSystemtimePrivilege	1740	IMDCSC.exe
Token: SeProfSingleProcessPrivilege	1740	IMDCSC.exe
Token: SeIncBasePriorityPrivilege	1740	IMDCSC.exe
Token: SeCreatePagefilePrivilege	1740	IMDCSC.exe
Token: SeBackupPrivilege	1740	IMDCSC.exe
Token: SeRestorePrivilege	1740	IMDCSC.exe
Token: SeShutdownPrivilege	1740	IMDCSC.exe
Token: SeDebugPrivilege	1740	IMDCSC.exe
Token: SeSystemEnvironmentPrivilege	1740	IMDCSC.exe
Token: SeChangeNotifyPrivilege	1740	IMDCSC.exe
Token: SeRemoteShutdownPrivilege	1740	IMDCSC.exe
Token: SeUndockPrivilege	1740	IMDCSC.exe
Token: SeManageVolumePrivilege	1740	IMDCSC.exe
Token: SeImpersonatePrivilege	1740	IMDCSC.exe
Token: SeCreateGlobalPrivilege	1740	IMDCSC.exe
Token: 33	1740	IMDCSC.exe
Token: 34	1740	IMDCSC.exe
Token: 35	1740	IMDCSC.exe
Token: 36	1740	IMDCSC.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

IMDCSC.exe

pid process

1740 IMDCSC.exe

pid	process
1740	IMDCSC.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe

description	pid	process	target process
PID 4724 wrote to memory of 1740	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe	IMDCSC.exe
PID 4724 wrote to memory of 1740	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe	IMDCSC.exe
PID 4724 wrote to memory of 1740	4724	eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe	IMDCSC.exe

C:\Users\Admin\AppData\Local\Temp\eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eeed818f660f7e0065f7552dadf8e267_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe
  "C:\Users\Admin\Documents\DCSCMIN\IMDCSC.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1740

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

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
649KB

MD5
eeed818f660f7e0065f7552dadf8e267

SHA1
703b37ad6671bdbf3398ba94e46c6e7c8970f464

SHA256
1fc634dc8146f64b2efbfd70cb5398277d65c8ddd65f121680c0341336cfeb88

SHA512
43ab5091f36db824a0d49c9c0eae2407af77a3c811bdae10430aa50e337287e78465315afe797f1b67da3b4691a80cb33b73f6d68a17924d0ee305fa59c79e7d

Download Submit
memory/1740-18-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-15-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-19-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-20-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-16-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-17-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-21-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-13-0x0000000002240000-0x0000000002241000-memory.dmp

Filesize
4KB

Download
memory/1740-27-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-26-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-23-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-24-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/1740-25-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/4724-0-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/4724-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads