darkcomet | f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 01:17

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Size

1.2MB
MD5

b613e758e631fcee1d431b5e26f3a87f
SHA1

10cb86a97152318ec62341aa35150c2ef9bff2ae
SHA256

f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8
SHA512

559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df
SSDEEP

24576:D1r3ZH1QqTA/ZcaNcJKi0ZcmBIT++QKe+6XP:D1ENm+cmUuL

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

yahoomessenger.myvnc.com:27015

Mutex

DC_MUTEX-GXCCBRG

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
3lXcKivkNMZ6
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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"	b613e758e631fcee1d431b5e26f3a87f_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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

pid	Process
4888	msdcsc.exe
2292	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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3780 set thread context of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 4888 set thread context of 2292	4888	msdcsc.exe	91

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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSecurityPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeBackupPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeRestorePrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeShutdownPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeDebugPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeUndockPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: 33	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: 34	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: 35	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: 36	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2292	msdcsc.exe
Token: SeSecurityPrivilege	2292	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2292	msdcsc.exe
Token: SeLoadDriverPrivilege	2292	msdcsc.exe
Token: SeSystemProfilePrivilege	2292	msdcsc.exe
Token: SeSystemtimePrivilege	2292	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2292	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2292	msdcsc.exe
Token: SeCreatePagefilePrivilege	2292	msdcsc.exe
Token: SeBackupPrivilege	2292	msdcsc.exe
Token: SeRestorePrivilege	2292	msdcsc.exe
Token: SeShutdownPrivilege	2292	msdcsc.exe
Token: SeDebugPrivilege	2292	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2292	msdcsc.exe
Token: SeChangeNotifyPrivilege	2292	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2292	msdcsc.exe
Token: SeUndockPrivilege	2292	msdcsc.exe
Token: SeManageVolumePrivilege	2292	msdcsc.exe
Token: SeImpersonatePrivilege	2292	msdcsc.exe
Token: SeCreateGlobalPrivilege	2292	msdcsc.exe
Token: 33	2292	msdcsc.exe
Token: 34	2292	msdcsc.exe
Token: 35	2292	msdcsc.exe
Token: 36	2292	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2292	msdcsc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 3780 wrote to memory of 1484	3780	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	89
PID 1484 wrote to memory of 4888	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	90
PID 1484 wrote to memory of 4888	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	90
PID 1484 wrote to memory of 4888	1484	b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe	90
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91
PID 4888 wrote to memory of 2292	4888	msdcsc.exe	91

C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3780
- C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\b613e758e631fcee1d431b5e26f3a87f_JaffaCakes118.exe
  2⤵
  - 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:1484
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      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

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
1.2MB

MD5
b613e758e631fcee1d431b5e26f3a87f

SHA1
10cb86a97152318ec62341aa35150c2ef9bff2ae

SHA256
f5ef80966b98151e339d0e47d8544eb2699006ff9a6e80ce46014201a6c63fc8

SHA512
559048aab40d30ec375ef4818a5404992e5f844b350797f856cb1bbd00b0b487f37f9ae846945ffd02c8a84c4fc66d1ce3b76e8bc7f0fddd15dbc9414be100df

Download Submit
memory/1484-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-27-0x00000000004C0000-0x0000000000589000-memory.dmp

Filesize
804KB

Download
memory/1484-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-15-0x0000000000790000-0x0000000000791000-memory.dmp

Filesize
4KB

Download
memory/1484-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1484-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-51-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-53-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-44-0x00000000021B0000-0x00000000021B1000-memory.dmp

Filesize
4KB

Download
memory/2292-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-46-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-49-0x00000000021B0000-0x00000000021B1000-memory.dmp

Filesize
4KB

Download
memory/2292-48-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-50-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-52-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2292-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3780-0-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/3780-2-0x00000000022D0000-0x00000000022D1000-memory.dmp

Filesize
4KB

Download
memory/3780-1-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/3780-26-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/4888-25-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/4888-43-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download
memory/4888-29-0x0000000000400000-0x000000000053C000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads