darkcomet | 25b711ee3e1ec5302c1168f4a5b6449a600ead41ccc7c8d2d50ccc71e3715867

Analysis

max time kernel
142s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
08/02/2025, 03:58

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General

Target

JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Size

672KB
MD5

bec0e000c89ecab552f279759bf7edf7
SHA1

7747e79eab8c912388f27d9c957217296b243be9
SHA256

25b711ee3e1ec5302c1168f4a5b6449a600ead41ccc7c8d2d50ccc71e3715867
SHA512

fa3ac08cdf971e242081516ec5402006e5c21db8eeddb1b7a79c83d9ba47199037fdd8f190fa6e7f85cad755304f96204f5252db573bfd60069d7c9c0f4d2949
SSDEEP

12288:HAtuKzhLdBUS97iq0++sreyLI+Ag3coZ9ZdShBqCubxfhRgbNmukSXeOK:HAh2w0OrE23b3ZOPXeOK

Score

10^/10

darkcomet sik discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

sik

stehulme.no-ip.org:5150

Mutex

DC_MUTEX-0WPU96F

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
fD3nN6RbrPFV
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

rc4.plain

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"	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
36	740	Process not Found

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-1-5-21-3311063739-2594902809-44604183-1000\Control Panel\International\Geo\Nation	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe

Executes dropped EXE 2 IoCs

pid	Process
1500	msdcsc.exe
5024	msdcsc.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-1-5-21-3311063739-2594902809-44604183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4224 set thread context of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 1500 set thread context of 5024	1500	msdcsc.exe	90

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 5 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

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

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2996	MicrosoftEdgeUpdate.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeSecurityPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeTakeOwnershipPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeLoadDriverPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeSystemProfilePrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeSystemtimePrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeProfSingleProcessPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeIncBasePriorityPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeCreatePagefilePrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeBackupPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeRestorePrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeShutdownPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeDebugPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeSystemEnvironmentPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeChangeNotifyPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeRemoteShutdownPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeUndockPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeManageVolumePrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeImpersonatePrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeCreateGlobalPrivilege	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: 33	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: 34	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: 35	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: 36	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
Token: SeIncreaseQuotaPrivilege	5024	msdcsc.exe
Token: SeSecurityPrivilege	5024	msdcsc.exe
Token: SeTakeOwnershipPrivilege	5024	msdcsc.exe
Token: SeLoadDriverPrivilege	5024	msdcsc.exe
Token: SeSystemProfilePrivilege	5024	msdcsc.exe
Token: SeSystemtimePrivilege	5024	msdcsc.exe
Token: SeProfSingleProcessPrivilege	5024	msdcsc.exe
Token: SeIncBasePriorityPrivilege	5024	msdcsc.exe
Token: SeCreatePagefilePrivilege	5024	msdcsc.exe
Token: SeBackupPrivilege	5024	msdcsc.exe
Token: SeRestorePrivilege	5024	msdcsc.exe
Token: SeShutdownPrivilege	5024	msdcsc.exe
Token: SeDebugPrivilege	5024	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	5024	msdcsc.exe
Token: SeChangeNotifyPrivilege	5024	msdcsc.exe
Token: SeRemoteShutdownPrivilege	5024	msdcsc.exe
Token: SeUndockPrivilege	5024	msdcsc.exe
Token: SeManageVolumePrivilege	5024	msdcsc.exe
Token: SeImpersonatePrivilege	5024	msdcsc.exe
Token: SeCreateGlobalPrivilege	5024	msdcsc.exe
Token: 33	5024	msdcsc.exe
Token: 34	5024	msdcsc.exe
Token: 35	5024	msdcsc.exe
Token: 36	5024	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5024	msdcsc.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 4224 wrote to memory of 2332	4224	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	86
PID 2332 wrote to memory of 1500	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	88
PID 2332 wrote to memory of 1500	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	88
PID 2332 wrote to memory of 1500	2332	JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe	88
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90
PID 1500 wrote to memory of 5024	1500	msdcsc.exe	90

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4224
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bec0e000c89ecab552f279759bf7edf7.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:2332
- - 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:1500
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:5024

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz48cmVxdWVzdCBwcm90b2NvbD0iMy4wIiB1cGRhdGVyPSJPbWFoYSIgdXBkYXRlcnZlcnNpb249IjEuMy4xOTUuNDMiIHNoZWxsX3ZlcnNpb249IjEuMy4xOTUuNDMiIGlzbWFjaGluZT0iMSIgc2Vzc2lvbmlkPSJ7OTJCQjI4RDctQTJFMC00NjQ2LUEwNkEtQkQ1Qzc0NERBQTcwfSIgdXNlcmlkPSJ7RjQ3NzdFRDYtNjIwNC00RjU4LUIzMjEtOTQyN0JFOTNDQjQ0fSIgaW5zdGFsbHNvdXJjZT0ibGltaXRlZCIgcmVxdWVzdGlkPSJ7RjU5QkQzNEQtRjE0My00NjYwLTkzMzYtRTFDNTk3QzVFRUQwfSIgZGVkdXA9ImNyIiBkb21haW5qb2luZWQ9IjAiPjxodyBsb2dpY2FsX2NwdXM9IjIiIHBoeXNtZW1vcnk9IjQiIGRpc2tfdHlwZT0iMiIgc3NlPSIxIiBzc2UyPSIxIiBzc2UzPSIxIiBzc3NlMz0iMSIgc3NlNDE9IjEiIHNzZTQyPSIxIiBhdng9IjEiLz48b3MgcGxhdGZvcm09IndpbiIgdmVyc2lvbj0iMTAuMC4xOTA0MS4xMjg4IiBzcD0iIiBhcmNoPSJ4NjQiIHByb2R1Y3RfdHlwZT0iNDgiIGlzX3dpcD0iMCIgaXNfaW5fbG9ja2Rvd25fbW9kZT0iMCIvPjxvZW0gcHJvZHVjdF9tYW51ZmFjdHVyZXI9IiIgcHJvZHVjdF9uYW1lPSIiLz48ZXhwIGV0YWc9IiZxdW90O0UreGJBejZZNnNVMTI4OWJTNnFsNFZSTGJramZCVUdUTUpzanJIcjQ0aUk9JnF1b3Q7Ii8-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU5ODUiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODQ0NDQzNjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0NzgzNTA1MzcyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:2996

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
672KB

MD5
bec0e000c89ecab552f279759bf7edf7

SHA1
7747e79eab8c912388f27d9c957217296b243be9

SHA256
25b711ee3e1ec5302c1168f4a5b6449a600ead41ccc7c8d2d50ccc71e3715867

SHA512
fa3ac08cdf971e242081516ec5402006e5c21db8eeddb1b7a79c83d9ba47199037fdd8f190fa6e7f85cad755304f96204f5252db573bfd60069d7c9c0f4d2949

Download Submit
memory/2332-2-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2332-1-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2332-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2332-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2332-6-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2332-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4224-0-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/4224-3-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/5024-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-21-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-30-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-39-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/5024-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads