darkcomet | 835dae38af5954086f4c0b31702e9b1ba12264e3a9344fb37e3a074ee6d35272

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/10/2024, 17:37

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General

Target

190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Size

748KB
MD5

190a8bd75ff4f574283feb74efd72162
SHA1

3c41067fd90e76715a0631174f350d6eb9be4183
SHA256

835dae38af5954086f4c0b31702e9b1ba12264e3a9344fb37e3a074ee6d35272
SHA512

de7727050cbba10d52ab34ba4a7ebbe817b211297081808188e644b36ad31b688cc730e12dcf123a8e38478d56ffd9c932a96170cc729f3f5031e31486c9a246
SSDEEP

12288:dk0QVlhmPojAPTMEsUTg0oChO/Q2JbsbjPbN5qhRTtYe3f+Iw86k/9/+rqMd0QZG:u0QRWoJEfg0oChGdJQbjPbNW5tYeP+G1

Score

10^/10

darkcomet mobd discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

mobd

72.78.91.89:1604

Mutex

DC_MUTEX-F54S21D

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
fs0kjF5iGcBl
install
true
offline_keylogger
false
persistence
true
reg_key
MicroUpdate

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\\Desktop\\MSDCSC\\msdcsc.exe"	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
2160	cmd.exe

Executes dropped EXE 1 IoCs

pid	Process
2840	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Desktop\\MSDCSC\\msdcsc.exe"	msdcsc.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 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2160	cmd.exe
2784	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2784	PING.EXE

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2840	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeSecurityPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeBackupPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeRestorePrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeShutdownPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeDebugPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeUndockPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: 33	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: 34	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: 35	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2840	msdcsc.exe
Token: SeSecurityPrivilege	2840	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2840	msdcsc.exe
Token: SeLoadDriverPrivilege	2840	msdcsc.exe
Token: SeSystemProfilePrivilege	2840	msdcsc.exe
Token: SeSystemtimePrivilege	2840	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2840	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2840	msdcsc.exe
Token: SeCreatePagefilePrivilege	2840	msdcsc.exe
Token: SeBackupPrivilege	2840	msdcsc.exe
Token: SeRestorePrivilege	2840	msdcsc.exe
Token: SeShutdownPrivilege	2840	msdcsc.exe
Token: SeDebugPrivilege	2840	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2840	msdcsc.exe
Token: SeChangeNotifyPrivilege	2840	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2840	msdcsc.exe
Token: SeUndockPrivilege	2840	msdcsc.exe
Token: SeManageVolumePrivilege	2840	msdcsc.exe
Token: SeImpersonatePrivilege	2840	msdcsc.exe
Token: SeCreateGlobalPrivilege	2840	msdcsc.exe
Token: 33	2840	msdcsc.exe
Token: 34	2840	msdcsc.exe
Token: 35	2840	msdcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2148 wrote to memory of 2160	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2160	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2160	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2160	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	31
PID 2148 wrote to memory of 2840	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	33
PID 2148 wrote to memory of 2840	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	33
PID 2148 wrote to memory of 2840	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	33
PID 2148 wrote to memory of 2840	2148	190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe	33
PID 2840 wrote to memory of 2796	2840	msdcsc.exe	34
PID 2840 wrote to memory of 2796	2840	msdcsc.exe	34
PID 2840 wrote to memory of 2796	2840	msdcsc.exe	34
PID 2840 wrote to memory of 2796	2840	msdcsc.exe	34
PID 2840 wrote to memory of 2780	2840	msdcsc.exe	35
PID 2840 wrote to memory of 2780	2840	msdcsc.exe	35
PID 2840 wrote to memory of 2780	2840	msdcsc.exe	35
PID 2840 wrote to memory of 2780	2840	msdcsc.exe	35
PID 2160 wrote to memory of 2784	2160	cmd.exe	36
PID 2160 wrote to memory of 2784	2160	cmd.exe	36
PID 2160 wrote to memory of 2784	2160	cmd.exe	36
PID 2160 wrote to memory of 2784	2160	cmd.exe	36

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Drivers directory
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 4 && del "C:\Users\Admin\AppData\Local\Temp\190a8bd75ff4f574283feb74efd72162_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2160
- - C:\Windows\SysWOW64\PING.EXE
    ping 127.0.0.1 -n 4
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2784
- C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Desktop\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2840
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2796
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2780

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\Desktop\MSDCSC\msdcsc.exe

Filesize
748KB

MD5
190a8bd75ff4f574283feb74efd72162

SHA1
3c41067fd90e76715a0631174f350d6eb9be4183

SHA256
835dae38af5954086f4c0b31702e9b1ba12264e3a9344fb37e3a074ee6d35272

SHA512
de7727050cbba10d52ab34ba4a7ebbe817b211297081808188e644b36ad31b688cc730e12dcf123a8e38478d56ffd9c932a96170cc729f3f5031e31486c9a246

Download Submit
memory/2148-0-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2148-11-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2840-13-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2840-15-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2840-17-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2840-19-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2840-21-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2840-23-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2840-25-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download
memory/2840-27-0x0000000000400000-0x00000000004C8000-memory.dmp

Filesize
800KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads