darkcomet | 357cab69819115cbaa0b38d28475a482bef7413833192ec69356c224b39ca055

Analysis

max time kernel
150s
max time network
152s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
21/03/2025, 13:43

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General

Target

JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Size

696KB
MD5

837395f66820a07b284bd9387b23acbd
SHA1

07bd605188d23001fe41f509b6ce8b88de5ee7f7
SHA256

357cab69819115cbaa0b38d28475a482bef7413833192ec69356c224b39ca055
SHA512

83add26a8f343e8679bee578e6dd00c1c6e111f2afaa100bc74427adb2d8954f93fa8522f3c5d1f3b9191776d138f653ebfca5a91cdaaf4a0df853ae8474adfe
SSDEEP

12288:Y9Ih4EY1awKtBnrtw8bzRpyMObDkeFsB7pyCEbSTiTwRkfy9h4ORA/KjWHZHdAxa:Y9FoXBnpw8bzRhObDkvEbSDKC2UmKaH/

Score

10^/10

darkcomet guest1 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

Guest1

127.0.0.1:

lilith.no-ip.biz:200

Mutex

DC_MUTEX-V5BBYPM

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
dBdrsjk8vnMY
install
true
offline_keylogger
true
persistence
true
reg_key
rundll32

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\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2952	attrib.exe
2944	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2088	msdcsc.exe
2888	msdcsc.exe

Loads dropped DLL 3 IoCs

pid	Process
2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
2088	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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2104 set thread context of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2088 set thread context of 2888	2088	msdcsc.exe	38

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 9 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2888	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSecurityPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeTakeOwnershipPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeLoadDriverPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSystemProfilePrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSystemtimePrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeProfSingleProcessPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeIncBasePriorityPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeCreatePagefilePrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeBackupPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeRestorePrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeShutdownPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeDebugPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeSystemEnvironmentPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeChangeNotifyPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeRemoteShutdownPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeUndockPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeManageVolumePrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeImpersonatePrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeCreateGlobalPrivilege	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: 33	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: 34	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: 35	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
Token: SeIncreaseQuotaPrivilege	2888	msdcsc.exe
Token: SeSecurityPrivilege	2888	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2888	msdcsc.exe
Token: SeLoadDriverPrivilege	2888	msdcsc.exe
Token: SeSystemProfilePrivilege	2888	msdcsc.exe
Token: SeSystemtimePrivilege	2888	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2888	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2888	msdcsc.exe
Token: SeCreatePagefilePrivilege	2888	msdcsc.exe
Token: SeBackupPrivilege	2888	msdcsc.exe
Token: SeRestorePrivilege	2888	msdcsc.exe
Token: SeShutdownPrivilege	2888	msdcsc.exe
Token: SeDebugPrivilege	2888	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2888	msdcsc.exe
Token: SeChangeNotifyPrivilege	2888	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2888	msdcsc.exe
Token: SeUndockPrivilege	2888	msdcsc.exe
Token: SeManageVolumePrivilege	2888	msdcsc.exe
Token: SeImpersonatePrivilege	2888	msdcsc.exe
Token: SeCreateGlobalPrivilege	2888	msdcsc.exe
Token: 33	2888	msdcsc.exe
Token: 34	2888	msdcsc.exe
Token: 35	2888	msdcsc.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
2088	msdcsc.exe
2088	msdcsc.exe
2888	msdcsc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2104 wrote to memory of 2096	2104	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	30
PID 2096 wrote to memory of 668	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	31
PID 2096 wrote to memory of 668	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	31
PID 2096 wrote to memory of 668	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	31
PID 2096 wrote to memory of 668	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	31
PID 2096 wrote to memory of 2832	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	33
PID 2096 wrote to memory of 2832	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	33
PID 2096 wrote to memory of 2832	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	33
PID 2096 wrote to memory of 2832	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	33
PID 668 wrote to memory of 2944	668	cmd.exe	35
PID 668 wrote to memory of 2944	668	cmd.exe	35
PID 668 wrote to memory of 2944	668	cmd.exe	35
PID 668 wrote to memory of 2944	668	cmd.exe	35
PID 2832 wrote to memory of 2952	2832	cmd.exe	36
PID 2832 wrote to memory of 2952	2832	cmd.exe	36
PID 2832 wrote to memory of 2952	2832	cmd.exe	36
PID 2832 wrote to memory of 2952	2832	cmd.exe	36
PID 2096 wrote to memory of 2088	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	37
PID 2096 wrote to memory of 2088	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	37
PID 2096 wrote to memory of 2088	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	37
PID 2096 wrote to memory of 2088	2096	JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe	37
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2088 wrote to memory of 2888	2088	msdcsc.exe	38
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2604	2888	msdcsc.exe	39

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
2952	attrib.exe
2944	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe
  C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.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:2096
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:668
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_837395f66820a07b284bd9387b23acbd.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2944
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2832
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2952
- - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2088
  - - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      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
      PID:2888
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2604

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

Filesize
696KB

MD5
837395f66820a07b284bd9387b23acbd

SHA1
07bd605188d23001fe41f509b6ce8b88de5ee7f7

SHA256
357cab69819115cbaa0b38d28475a482bef7413833192ec69356c224b39ca055

SHA512
83add26a8f343e8679bee578e6dd00c1c6e111f2afaa100bc74427adb2d8954f93fa8522f3c5d1f3b9191776d138f653ebfca5a91cdaaf4a0df853ae8474adfe

Download Submit
memory/2096-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-0-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2096-99-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2604-56-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2888-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2888-55-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads