darkcomet | 0236382d957dcebb0c86dd5042603544aad75a56d4cb949f9ea045f72e0973a8

Analysis

max time kernel
133s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/02/2025, 13:13

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General

Target

JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe
Size

1.8MB
MD5

f8349d63d18628e5bcf39919ddf37096
SHA1

c87fc1f864946759c4dc5dddb9ede3112651be2f
SHA256

0236382d957dcebb0c86dd5042603544aad75a56d4cb949f9ea045f72e0973a8
SHA512

bc1d17c0d5c9170ed5354e540057257a62130493976effa1b332e1f8cf8c248fb71965f83386bf7b635ecf1d7a92edf9b3428031e2d7aaeda00ebcfb1f8e2bd8
SSDEEP

24576:0GgVX4tJrQgpMQgL7MwUn+OItWkbVvP2LbwXoii:0t40gpMQJ+OlkNdXoii

Score

10^/10

darkcomet random discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Botnet

Random

kromoz23.no-ip.biz:1604

Mutex

DC_MUTEX-Z2B25MB

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
w9R4vECN2$Gj
install
true
offline_keylogger
true
password
23life
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"	vbc.exe

Executes dropped EXE 1 IoCs

pid	Process
2648	msdcsc.exe

Loads dropped DLL 7 IoCs

pid	Process
2980	vbc.exe
2648	msdcsc.exe
2648	msdcsc.exe
2648	msdcsc.exe
2672	vbc.exe
2672	vbc.exe
2672	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	vbc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2324 set thread context of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2648 set thread context of 2672	2648	msdcsc.exe	33

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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2980	vbc.exe
Token: SeSecurityPrivilege	2980	vbc.exe
Token: SeTakeOwnershipPrivilege	2980	vbc.exe
Token: SeLoadDriverPrivilege	2980	vbc.exe
Token: SeSystemProfilePrivilege	2980	vbc.exe
Token: SeSystemtimePrivilege	2980	vbc.exe
Token: SeProfSingleProcessPrivilege	2980	vbc.exe
Token: SeIncBasePriorityPrivilege	2980	vbc.exe
Token: SeCreatePagefilePrivilege	2980	vbc.exe
Token: SeBackupPrivilege	2980	vbc.exe
Token: SeRestorePrivilege	2980	vbc.exe
Token: SeShutdownPrivilege	2980	vbc.exe
Token: SeDebugPrivilege	2980	vbc.exe
Token: SeSystemEnvironmentPrivilege	2980	vbc.exe
Token: SeChangeNotifyPrivilege	2980	vbc.exe
Token: SeRemoteShutdownPrivilege	2980	vbc.exe
Token: SeUndockPrivilege	2980	vbc.exe
Token: SeManageVolumePrivilege	2980	vbc.exe
Token: SeImpersonatePrivilege	2980	vbc.exe
Token: SeCreateGlobalPrivilege	2980	vbc.exe
Token: 33	2980	vbc.exe
Token: 34	2980	vbc.exe
Token: 35	2980	vbc.exe
Token: SeIncreaseQuotaPrivilege	2672	vbc.exe
Token: SeSecurityPrivilege	2672	vbc.exe
Token: SeTakeOwnershipPrivilege	2672	vbc.exe
Token: SeLoadDriverPrivilege	2672	vbc.exe
Token: SeSystemProfilePrivilege	2672	vbc.exe
Token: SeSystemtimePrivilege	2672	vbc.exe
Token: SeProfSingleProcessPrivilege	2672	vbc.exe
Token: SeIncBasePriorityPrivilege	2672	vbc.exe
Token: SeCreatePagefilePrivilege	2672	vbc.exe
Token: SeBackupPrivilege	2672	vbc.exe
Token: SeRestorePrivilege	2672	vbc.exe
Token: SeShutdownPrivilege	2672	vbc.exe
Token: SeDebugPrivilege	2672	vbc.exe
Token: SeSystemEnvironmentPrivilege	2672	vbc.exe
Token: SeChangeNotifyPrivilege	2672	vbc.exe
Token: SeRemoteShutdownPrivilege	2672	vbc.exe
Token: SeUndockPrivilege	2672	vbc.exe
Token: SeManageVolumePrivilege	2672	vbc.exe
Token: SeImpersonatePrivilege	2672	vbc.exe
Token: SeCreateGlobalPrivilege	2672	vbc.exe
Token: 33	2672	vbc.exe
Token: 34	2672	vbc.exe
Token: 35	2672	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2672	vbc.exe

Suspicious use of WriteProcessMemory 43 IoCs

description	pid	Process	procid_target
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2324 wrote to memory of 2980	2324	JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe	31
PID 2980 wrote to memory of 2648	2980	vbc.exe	32
PID 2980 wrote to memory of 2648	2980	vbc.exe	32
PID 2980 wrote to memory of 2648	2980	vbc.exe	32
PID 2980 wrote to memory of 2648	2980	vbc.exe	32
PID 2980 wrote to memory of 2648	2980	vbc.exe	32
PID 2980 wrote to memory of 2648	2980	vbc.exe	32
PID 2980 wrote to memory of 2648	2980	vbc.exe	32
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33
PID 2648 wrote to memory of 2672	2648	msdcsc.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f8349d63d18628e5bcf39919ddf37096.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2324
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2980
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2648
  - - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      4⤵
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2672

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
1.8MB

MD5
f8349d63d18628e5bcf39919ddf37096

SHA1
c87fc1f864946759c4dc5dddb9ede3112651be2f

SHA256
0236382d957dcebb0c86dd5042603544aad75a56d4cb949f9ea045f72e0973a8

SHA512
bc1d17c0d5c9170ed5354e540057257a62130493976effa1b332e1f8cf8c248fb71965f83386bf7b635ecf1d7a92edf9b3428031e2d7aaeda00ebcfb1f8e2bd8

Download Submit
memory/2324-0-0x0000000074B52000-0x0000000074B54000-memory.dmp

Filesize
8KB

Download
memory/2672-69-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-61-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-78-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-77-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-76-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-75-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-74-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-73-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-72-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-63-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-71-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-70-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-68-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-67-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-66-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-65-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-56-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-62-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2672-64-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-7-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-5-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-3-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-20-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-1-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-6-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-8-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-9-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-10-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2980-15-0x0000000000020000-0x0000000000021000-memory.dmp

Filesize
4KB

Download
memory/2980-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2980-13-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads