darkcomet | 6735eafee2519fb7496c70fdb64e0b337593c03c814287102138ef09620078c6

Analysis

max time kernel
149s
max time network
117s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/02/2025, 11:29

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General

Target

JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Size

687KB
MD5

b687eac81347ccff4ab5feadb797d065
SHA1

b8e214883fba0f86d83fe2a4654d0bd1412e04eb
SHA256

6735eafee2519fb7496c70fdb64e0b337593c03c814287102138ef09620078c6
SHA512

bc722ff50e5c0edc7372e99a3419f5830cfd5b1953fe94cdee306d2a4a356f339e31c2f14a4171d70c127cab73d33896a30efcd898d012ee72793e2859aeffe0
SSDEEP

12288:12qpRtw2UCMV8G6bmO2g3XjOGdWVqkGZF9xeIP1o1mrfYH/GUDUtAEt:12yE2UCMWb9lDOGd0I86SmTeDUtAEt

Score

10^/10

darkcomet crypter defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Botnet

Crypter

phishingfors.no-ip.org:1604

Mutex

DC_MUTEX-KHT0FWK

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
A/AB#SHYk5E2
install
true
offline_keylogger
true
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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe

Modifies security service 2 TTPs 1 IoCs

defense_evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	msdcsc.exe

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

defense_evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
defense_evasion

Executes dropped EXE 2 IoCs

pid	Process
2764	msdcsc.exe
2088	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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 2492 set thread context of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2764 set thread context of 2088	2764	msdcsc.exe	32

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	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2088	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeSecurityPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeTakeOwnershipPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeLoadDriverPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeSystemProfilePrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeSystemtimePrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeProfSingleProcessPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeIncBasePriorityPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeCreatePagefilePrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeBackupPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeRestorePrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeShutdownPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeDebugPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeSystemEnvironmentPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeChangeNotifyPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeRemoteShutdownPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeUndockPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeManageVolumePrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeImpersonatePrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeCreateGlobalPrivilege	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: 33	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: 34	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: 35	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
Token: SeIncreaseQuotaPrivilege	2088	msdcsc.exe
Token: SeSecurityPrivilege	2088	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2088	msdcsc.exe
Token: SeLoadDriverPrivilege	2088	msdcsc.exe
Token: SeSystemProfilePrivilege	2088	msdcsc.exe
Token: SeSystemtimePrivilege	2088	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2088	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2088	msdcsc.exe
Token: SeCreatePagefilePrivilege	2088	msdcsc.exe
Token: SeBackupPrivilege	2088	msdcsc.exe
Token: SeRestorePrivilege	2088	msdcsc.exe
Token: SeShutdownPrivilege	2088	msdcsc.exe
Token: SeDebugPrivilege	2088	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2088	msdcsc.exe
Token: SeChangeNotifyPrivilege	2088	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2088	msdcsc.exe
Token: SeUndockPrivilege	2088	msdcsc.exe
Token: SeManageVolumePrivilege	2088	msdcsc.exe
Token: SeImpersonatePrivilege	2088	msdcsc.exe
Token: SeCreateGlobalPrivilege	2088	msdcsc.exe
Token: 33	2088	msdcsc.exe
Token: 34	2088	msdcsc.exe
Token: 35	2088	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
2764	msdcsc.exe
2088	msdcsc.exe

Suspicious use of WriteProcessMemory 38 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2492 wrote to memory of 2100	2492	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	30
PID 2100 wrote to memory of 2764	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	31
PID 2100 wrote to memory of 2764	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	31
PID 2100 wrote to memory of 2764	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	31
PID 2100 wrote to memory of 2764	2100	JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe	31
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2764 wrote to memory of 2088	2764	msdcsc.exe	32
PID 2088 wrote to memory of 2148	2088	msdcsc.exe	33
PID 2088 wrote to memory of 2148	2088	msdcsc.exe	33
PID 2088 wrote to memory of 2148	2088	msdcsc.exe	33
PID 2088 wrote to memory of 2148	2088	msdcsc.exe	33
PID 2088 wrote to memory of 2068	2088	msdcsc.exe	34
PID 2088 wrote to memory of 2068	2088	msdcsc.exe	34
PID 2088 wrote to memory of 2068	2088	msdcsc.exe	34
PID 2088 wrote to memory of 2068	2088	msdcsc.exe	34

System policy modification 1 TTPs 3 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	msdcsc.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	msdcsc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b687eac81347ccff4ab5feadb797d065.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b687eac81347ccff4ab5feadb797d065.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:2100
- - 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 SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2764
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Modifies security service
      Windows security bypass
      Disables RegEdit via registry modification
      Executes dropped EXE
      Windows security modification
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      System policy modification
      PID:2088
    - - C:\Program Files (x86)\Internet Explorer\iexplore.exe
        
        "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
        5⤵
        
        PID:2148
    - - C:\Windows\explorer.exe
        
        "C:\Windows\explorer.exe"
        5⤵
        
        PID:2068

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Credential Access

Discovery

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

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

Filesize
687KB

MD5
b687eac81347ccff4ab5feadb797d065

SHA1
b8e214883fba0f86d83fe2a4654d0bd1412e04eb

SHA256
6735eafee2519fb7496c70fdb64e0b337593c03c814287102138ef09620078c6

SHA512
bc722ff50e5c0edc7372e99a3419f5830cfd5b1953fe94cdee306d2a4a356f339e31c2f14a4171d70c127cab73d33896a30efcd898d012ee72793e2859aeffe0

Download Submit
memory/2088-80-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-79-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-78-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-76-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-77-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-75-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-73-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-74-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2088-72-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-13-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-8-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-24-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-37-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-4-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-6-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-26-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2100-2-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-16-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-18-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-20-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2100-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2100-10-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads