darkcomet | b627e176568225a9514f78c9414dd827ee672f5e9b7ae5a58dc0c723b4e39e40

Analysis

max time kernel
114s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
09-07-2024 20:00

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General

Target

31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Size

821KB
MD5

31c69d03090c8fe25919ea7a47243e6f
SHA1

955e7296ebc7969e3af5b3bf662eb1b2998f8867
SHA256

b627e176568225a9514f78c9414dd827ee672f5e9b7ae5a58dc0c723b4e39e40
SHA512

b2b10ac264c4e88230b51949a175cc7db9a1e04adb7e7967b97cb9b64c465a6e09a5afe843777aa6f0150a248630665a817692893d774a94577b942ea8e341c3
SSDEEP

12288:nFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJMC:F3nbWmJVJFwSddIXvfhqbiaxvRxq93

Score

10^/10

darkcomet persistence rat trojan

Malware Config

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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1796	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	31c69d03090c8fe25919ea7a47243e6f_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

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeSecurityPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeBackupPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeRestorePrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeShutdownPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeDebugPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeUndockPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: 33	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: 34	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: 35	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1796	msdcsc.exe
Token: SeSecurityPrivilege	1796	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1796	msdcsc.exe
Token: SeLoadDriverPrivilege	1796	msdcsc.exe
Token: SeSystemProfilePrivilege	1796	msdcsc.exe
Token: SeSystemtimePrivilege	1796	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1796	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1796	msdcsc.exe
Token: SeCreatePagefilePrivilege	1796	msdcsc.exe
Token: SeBackupPrivilege	1796	msdcsc.exe
Token: SeRestorePrivilege	1796	msdcsc.exe
Token: SeShutdownPrivilege	1796	msdcsc.exe
Token: SeDebugPrivilege	1796	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1796	msdcsc.exe
Token: SeChangeNotifyPrivilege	1796	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1796	msdcsc.exe
Token: SeUndockPrivilege	1796	msdcsc.exe
Token: SeManageVolumePrivilege	1796	msdcsc.exe
Token: SeImpersonatePrivilege	1796	msdcsc.exe
Token: SeCreateGlobalPrivilege	1796	msdcsc.exe
Token: 33	1796	msdcsc.exe
Token: 34	1796	msdcsc.exe
Token: 35	1796	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1796	msdcsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2980 wrote to memory of 1796	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1796	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1796	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe	30
PID 2980 wrote to memory of 1796	2980	31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe	30
PID 1796 wrote to memory of 2684	1796	msdcsc.exe	31
PID 1796 wrote to memory of 2684	1796	msdcsc.exe	31
PID 1796 wrote to memory of 2684	1796	msdcsc.exe	31
PID 1796 wrote to memory of 2684	1796	msdcsc.exe	31
PID 1796 wrote to memory of 2292	1796	msdcsc.exe	32
PID 1796 wrote to memory of 2292	1796	msdcsc.exe	32
PID 1796 wrote to memory of 2292	1796	msdcsc.exe	32
PID 1796 wrote to memory of 2292	1796	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\31c69d03090c8fe25919ea7a47243e6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\31c69d03090c8fe25919ea7a47243e6f_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:2980
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1796
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2684
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2292

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
821KB

MD5
31c69d03090c8fe25919ea7a47243e6f

SHA1
955e7296ebc7969e3af5b3bf662eb1b2998f8867

SHA256
b627e176568225a9514f78c9414dd827ee672f5e9b7ae5a58dc0c723b4e39e40

SHA512
b2b10ac264c4e88230b51949a175cc7db9a1e04adb7e7967b97cb9b64c465a6e09a5afe843777aa6f0150a248630665a817692893d774a94577b942ea8e341c3

Download Submit
memory/1796-18-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-15-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-19-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-14-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-20-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-16-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-17-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-21-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-12-0x00000000001F0000-0x00000000001F1000-memory.dmp

Filesize
4KB

Download
memory/1796-27-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-26-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-22-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-23-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-24-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/1796-25-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download
memory/2980-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2980-11-0x0000000000400000-0x00000000004DB000-memory.dmp

Filesize
876KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads