darkcomet | 8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
11/08/2024, 06:49

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General

Target
89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Size 890KB
Sample240811-hlphcatblf
SHA256 8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b
MD5 89673c1d2e00671c71a2ab8037cb7da3
SHA1 b13a9c7bbcd79cd38b6182da0c22a7426784f0c3
SHA512 31ac5a99a22f8168e748ebf21b44b7d926381835715626d234fbe2055e1e0a5be150db94469acff357fbf6a5cbd5ce359d20256107a6fffa9c3c591af776ff68
SSDEEP 12288:xTmBJtebrqexwPbp1iYXgrlh6fznP2y0+bUjCCPAbpaTu626AZq2X2QJ4N0:xq7teaexwX+lh87l9gjCZbpVfN4mp
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

smr9.no-ip.org:1604

Mutex

DC_MUTEX-NJSZLY8

Attributes

InstallPath
MSDCSC\lsass.exe
gencode
6xtSkc229rlk
install
true
offline_keylogger
false
password
123456
persistence
true
reg_key
lsass.exe

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\lsass.exe"	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
2872	lsass.exe
2916	lsass.exe

Loads dropped DLL 2 IoCs

pid	Process
1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe"	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass.exe = "C:\\MSDCSC\\lsass.exe"	lsass.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1732 set thread context of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 2872 set thread context of 2916	2872	lsass.exe	32

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 4 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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2916	lsass.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeSecurityPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeBackupPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeRestorePrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeShutdownPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeDebugPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeUndockPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: 33	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: 34	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: 35	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2916	lsass.exe
Token: SeSecurityPrivilege	2916	lsass.exe
Token: SeTakeOwnershipPrivilege	2916	lsass.exe
Token: SeLoadDriverPrivilege	2916	lsass.exe
Token: SeSystemProfilePrivilege	2916	lsass.exe
Token: SeSystemtimePrivilege	2916	lsass.exe
Token: SeProfSingleProcessPrivilege	2916	lsass.exe
Token: SeIncBasePriorityPrivilege	2916	lsass.exe
Token: SeCreatePagefilePrivilege	2916	lsass.exe
Token: SeBackupPrivilege	2916	lsass.exe
Token: SeRestorePrivilege	2916	lsass.exe
Token: SeShutdownPrivilege	2916	lsass.exe
Token: SeDebugPrivilege	2916	lsass.exe
Token: SeSystemEnvironmentPrivilege	2916	lsass.exe
Token: SeChangeNotifyPrivilege	2916	lsass.exe
Token: SeRemoteShutdownPrivilege	2916	lsass.exe
Token: SeUndockPrivilege	2916	lsass.exe
Token: SeManageVolumePrivilege	2916	lsass.exe
Token: SeImpersonatePrivilege	2916	lsass.exe
Token: SeCreateGlobalPrivilege	2916	lsass.exe
Token: 33	2916	lsass.exe
Token: 34	2916	lsass.exe
Token: 35	2916	lsass.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1732 wrote to memory of 1980	1732	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	30
PID 1980 wrote to memory of 2872	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	31
PID 1980 wrote to memory of 2872	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	31
PID 1980 wrote to memory of 2872	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	31
PID 1980 wrote to memory of 2872	1980	89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe	31
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32
PID 2872 wrote to memory of 2916	2872	lsass.exe	32

C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\89673c1d2e00671c71a2ab8037cb7da3_JaffaCakes118.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1980
- - C:\MSDCSC\lsass.exe
    "C:\MSDCSC\lsass.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2872
  - - C:\MSDCSC\lsass.exe
      C:\MSDCSC\lsass.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      PID:2916

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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lsass.exe

Path C:\MSDCSC\lsass.exe
Size 890KB
SHA256 8c2df3f9cdcef9fd08faf79d1d8eb233e8e5daf3fab6689d67445120ddd2ba7b
MD5 89673c1d2e00671c71a2ab8037cb7da3
SHA1 b13a9c7bbcd79cd38b6182da0c22a7426784f0c3
SHA512 31ac5a99a22f8168e748ebf21b44b7d926381835715626d234fbe2055e1e0a5be150db94469acff357fbf6a5cbd5ce359d20256107a6fffa9c3c591af776ff68
SSDEEP 12288:xTmBJtebrqexwPbp1iYXgrlh6fznP2y0+bUjCCPAbpaTu626AZq2X2QJ4N0:xq7teaexwX+lh87l9gjCZbpVfN4mp
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1732-28-0x0000000000400000-0x00000000004E6000-memory.dmp

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memory/1980-15-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-7-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-31-0x0000000000280000-0x0000000000281000-memory.dmp

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memory/1980-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

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memory/1980-24-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-21-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-0-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-29-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-11-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-30-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-2-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-18-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-4-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/1980-43-0x00000000004C0000-0x0000000000527000-memory.dmp

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memory/1980-44-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/2872-74-0x0000000000400000-0x00000000004E6000-memory.dmp

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memory/2916-77-0x0000000000400000-0x00000000004B2000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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