darkcomet | de09d1e89d28c805c5e76a55e3de5af8f1b9e2d985bac19a88e42411c2697af6

Analysis

max time kernel
104s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
29/03/2025, 19:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe
Size

1.0MB
MD5

94bd603778fd677fb9ae2ba9dea1a90b
SHA1

a435f6f7fe94e12cfe6127531b04d2de85ed4859
SHA256

de09d1e89d28c805c5e76a55e3de5af8f1b9e2d985bac19a88e42411c2697af6
SHA512

96f4e2aa9fee022b089b5ecfbb917581ecfa8f3553349cc15d4310bed3565ed49ecf574df1939fcefadc3a19fae8ddc8c5ddc9ba79bf4748e9a4ab8b85419d62
SSDEEP

12288:3JIgwDM1afm34GNzONSFm9lAIpeSXLzdMWdSJ1iRraB:3SgYM1alyzhmYsPqWdSbiRraB

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

testehff.no-ip.biz:1604

94.225.115.130:1604

Mutex

DC_MUTEX-TML3K84

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
KmYpD1WH9wHk
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:\\MSDCSC\\msdcsc.exe"	svchost.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-1-5-21-3446877943-4095308722-756223633-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
3168	svchost.exe
5808	msdcsc.exe
1652	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-1-5-21-3446877943-4095308722-756223633-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5428 set thread context of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89

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	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3168	svchost.exe
Token: SeSecurityPrivilege	3168	svchost.exe
Token: SeTakeOwnershipPrivilege	3168	svchost.exe
Token: SeLoadDriverPrivilege	3168	svchost.exe
Token: SeSystemProfilePrivilege	3168	svchost.exe
Token: SeSystemtimePrivilege	3168	svchost.exe
Token: SeProfSingleProcessPrivilege	3168	svchost.exe
Token: SeIncBasePriorityPrivilege	3168	svchost.exe
Token: SeCreatePagefilePrivilege	3168	svchost.exe
Token: SeBackupPrivilege	3168	svchost.exe
Token: SeRestorePrivilege	3168	svchost.exe
Token: SeShutdownPrivilege	3168	svchost.exe
Token: SeDebugPrivilege	3168	svchost.exe
Token: SeSystemEnvironmentPrivilege	3168	svchost.exe
Token: SeChangeNotifyPrivilege	3168	svchost.exe
Token: SeRemoteShutdownPrivilege	3168	svchost.exe
Token: SeUndockPrivilege	3168	svchost.exe
Token: SeManageVolumePrivilege	3168	svchost.exe
Token: SeImpersonatePrivilege	3168	svchost.exe
Token: SeCreateGlobalPrivilege	3168	svchost.exe
Token: 33	3168	svchost.exe
Token: 34	3168	svchost.exe
Token: 35	3168	svchost.exe
Token: 36	3168	svchost.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 5428 wrote to memory of 3168	5428	JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe	89
PID 3440 wrote to memory of 5808	3440	cmd.exe	92
PID 3440 wrote to memory of 5808	3440	cmd.exe	92
PID 3440 wrote to memory of 5808	3440	cmd.exe	92
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 5220	3168	svchost.exe	104
PID 3168 wrote to memory of 1652	3168	svchost.exe	105
PID 3168 wrote to memory of 1652	3168	svchost.exe	105
PID 3168 wrote to memory of 1652	3168	svchost.exe	105

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94bd603778fd677fb9ae2ba9dea1a90b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5428
- C:\Users\Admin\AppData\Local\Temp\plugtemp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\plugtemp\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3168
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5220
- - C:\MSDCSC\msdcsc.exe
    "C:\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1652

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\MSDCSC\msdcsc.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:3440
- C:\MSDCSC\msdcsc.exe
  C:\MSDCSC\msdcsc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:5808

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\AppData\Local\Temp\plugtemp\svchost.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/3168-10-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3168-4-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3168-7-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3168-8-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/3168-11-0x00000000025B0000-0x00000000025B1000-memory.dmp

Filesize
4KB

Download
memory/3168-22-0x0000000000400000-0x00000000004BD000-memory.dmp

Filesize
756KB

Download
memory/5220-20-0x0000000000F90000-0x0000000000F91000-memory.dmp

Filesize
4KB

Download
memory/5428-1-0x0000000074E00000-0x00000000753B1000-memory.dmp

Filesize
5.7MB

Download
memory/5428-0-0x0000000074E02000-0x0000000074E03000-memory.dmp

Filesize
4KB

Download
memory/5428-12-0x0000000001670000-0x0000000001680000-memory.dmp

Filesize
64KB

Download
memory/5428-18-0x0000000074E00000-0x00000000753B1000-memory.dmp

Filesize
5.7MB

Download
memory/5428-19-0x0000000074E02000-0x0000000074E03000-memory.dmp

Filesize
4KB

Download
memory/5428-25-0x0000000001670000-0x0000000001680000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads