darkcomet | 2de7bfd75351415aebda6533b05658cd44e3c98a0cf0bcadf0b550c89eced90e

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 18:12

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General

Target

JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Size

690KB
MD5

06f81690ca4612578c3523a14bb3e842
SHA1

f1eb270c75c4ebe65972ccb708fe65b6e7db69fe
SHA256

2de7bfd75351415aebda6533b05658cd44e3c98a0cf0bcadf0b550c89eced90e
SHA512

8e84676fe00baebbcc5ece2a303a2bc674429dfb383951c5ec42cdf12ef6f4523444394183f2a6edbb474766984d17d06d814c3d7940391a2ffdc298892a18f6
SSDEEP

12288:F9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hVz:PZ1xuVVjfFoynPaVBUR8f+kN10EBL

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

dcrat.no-ip.org:200

Mutex

DC_MUTEX-A6U8G3K

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
USzm5PSxo01Z
install
true
offline_keylogger
true
password
0123456789
persistence
true
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:\\MSDCSC\\msdcsc.exe"	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.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-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe

Deletes itself 1 IoCs

pid	Process
4788	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
4648	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-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-925314154-1797147466-1467878628-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.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	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeSecurityPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeTakeOwnershipPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeLoadDriverPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeSystemProfilePrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeSystemtimePrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeProfSingleProcessPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeIncBasePriorityPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeCreatePagefilePrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeBackupPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeRestorePrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeShutdownPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeDebugPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeSystemEnvironmentPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeChangeNotifyPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeRemoteShutdownPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeUndockPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeManageVolumePrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeImpersonatePrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeCreateGlobalPrivilege	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: 33	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: 34	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: 35	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: 36	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
Token: SeIncreaseQuotaPrivilege	4648	msdcsc.exe
Token: SeSecurityPrivilege	4648	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4648	msdcsc.exe
Token: SeLoadDriverPrivilege	4648	msdcsc.exe
Token: SeSystemProfilePrivilege	4648	msdcsc.exe
Token: SeSystemtimePrivilege	4648	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4648	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4648	msdcsc.exe
Token: SeCreatePagefilePrivilege	4648	msdcsc.exe
Token: SeBackupPrivilege	4648	msdcsc.exe
Token: SeRestorePrivilege	4648	msdcsc.exe
Token: SeShutdownPrivilege	4648	msdcsc.exe
Token: SeDebugPrivilege	4648	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4648	msdcsc.exe
Token: SeChangeNotifyPrivilege	4648	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4648	msdcsc.exe
Token: SeUndockPrivilege	4648	msdcsc.exe
Token: SeManageVolumePrivilege	4648	msdcsc.exe
Token: SeImpersonatePrivilege	4648	msdcsc.exe
Token: SeCreateGlobalPrivilege	4648	msdcsc.exe
Token: 33	4648	msdcsc.exe
Token: 34	4648	msdcsc.exe
Token: 35	4648	msdcsc.exe
Token: 36	4648	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4648	msdcsc.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4788	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	86
PID 2968 wrote to memory of 4648	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	87
PID 2968 wrote to memory of 4648	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	87
PID 2968 wrote to memory of 4648	2968	JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe	87
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88
PID 4648 wrote to memory of 3212	4648	msdcsc.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_06f81690ca4612578c3523a14bb3e842.exe"
1⤵
- 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:2968
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:4788
- C:\MSDCSC\msdcsc.exe
  "C:\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4648
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3212

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

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Downloads

C:\MSDCSC\msdcsc.exe

Filesize
690KB

MD5
06f81690ca4612578c3523a14bb3e842

SHA1
f1eb270c75c4ebe65972ccb708fe65b6e7db69fe

SHA256
2de7bfd75351415aebda6533b05658cd44e3c98a0cf0bcadf0b550c89eced90e

SHA512
8e84676fe00baebbcc5ece2a303a2bc674429dfb383951c5ec42cdf12ef6f4523444394183f2a6edbb474766984d17d06d814c3d7940391a2ffdc298892a18f6

Download Submit
memory/2968-0-0x0000000002260000-0x0000000002261000-memory.dmp

Filesize
4KB

Download
memory/2968-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3212-15-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

Filesize
4KB

Download
memory/4648-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-18-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/4648-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-32-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-14-0x0000000002120000-0x0000000002121000-memory.dmp

Filesize
4KB

Download
memory/4648-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-27-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-28-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-29-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-30-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4648-31-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/4788-3-0x00000000007E0000-0x00000000007E1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads