darkcomet | 49b50e3e5302e2e862b1b44bd51e0af50d729e5b7c962b9590a9968e92d46114

Analysis

max time kernel
147s
max time network
120s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 18:00

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General

Target

JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Size

658KB
MD5

6711768084b6e0749bcb3b755220dc70
SHA1

2afeb16409c7886bf0b5839fa3c181033fc98373
SHA256

49b50e3e5302e2e862b1b44bd51e0af50d729e5b7c962b9590a9968e92d46114
SHA512

3ac7f00a5112929555747827be48cdb3d51d6c1c5d90f3b8b6c7da4374bf227e0120fe82ca22b2d0071c078a05959e5e6ebb39f08ea7824057829cc634752e77
SSDEEP

12288:+9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hj:KZ1xuVVjfFoynPaVBUR8f+kN10EBp

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

g93.no-ip.biz:1122

Mutex

DC_MUTEX-M9WL658

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
ttnn8ou8ulGW
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

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_6711768084b6e0749bcb3b755220dc70.exe

Modifies security service 2 TTPs 1 IoCs

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 2 IoCs

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	msdcsc.exe

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	msdcsc.exe

Disables Task Manager via registry modification
evasion

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2588	attrib.exe
2592	attrib.exe

Deletes itself 1 IoCs

pid	Process
2828	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
2888	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe

Windows security modification 2 TTPs 2 IoCs

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
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.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 8 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	cmd.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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeSecurityPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeTakeOwnershipPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeLoadDriverPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeSystemProfilePrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeSystemtimePrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeProfSingleProcessPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeIncBasePriorityPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeCreatePagefilePrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeBackupPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeRestorePrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeShutdownPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeDebugPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeSystemEnvironmentPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeChangeNotifyPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeRemoteShutdownPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeUndockPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeManageVolumePrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeImpersonatePrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: SeCreateGlobalPrivilege	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: 33	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: 34	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
Token: 35	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.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 1 IoCs

pid	Process
2888	msdcsc.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2800	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	30
PID 2256 wrote to memory of 2800	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	30
PID 2256 wrote to memory of 2800	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	30
PID 2256 wrote to memory of 2800	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	30
PID 2256 wrote to memory of 2820	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	31
PID 2256 wrote to memory of 2820	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	31
PID 2256 wrote to memory of 2820	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	31
PID 2256 wrote to memory of 2820	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	31
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2828	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	32
PID 2256 wrote to memory of 2888	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	35
PID 2256 wrote to memory of 2888	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	35
PID 2256 wrote to memory of 2888	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	35
PID 2256 wrote to memory of 2888	2256	JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe	35
PID 2820 wrote to memory of 2592	2820	cmd.exe	36
PID 2820 wrote to memory of 2592	2820	cmd.exe	36
PID 2820 wrote to memory of 2592	2820	cmd.exe	36
PID 2820 wrote to memory of 2592	2820	cmd.exe	36
PID 2800 wrote to memory of 2588	2800	cmd.exe	37
PID 2800 wrote to memory of 2588	2800	cmd.exe	37
PID 2800 wrote to memory of 2588	2800	cmd.exe	37
PID 2800 wrote to memory of 2588	2800	cmd.exe	37
PID 2888 wrote to memory of 2644	2888	msdcsc.exe	38
PID 2888 wrote to memory of 2644	2888	msdcsc.exe	38
PID 2888 wrote to memory of 2644	2888	msdcsc.exe	38
PID 2888 wrote to memory of 2644	2888	msdcsc.exe	38
PID 2888 wrote to memory of 2664	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2664	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2664	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2664	2888	msdcsc.exe	39
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40
PID 2888 wrote to memory of 2712	2888	msdcsc.exe	40

System policy modification 1 TTPs 3 IoCs

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

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2588	attrib.exe
2592	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe"
1⤵
- 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:2256
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2800
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6711768084b6e0749bcb3b755220dc70.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2592
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:2828
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - 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 use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:2888
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2644
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2664
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2712

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

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

Filesize
658KB

MD5
6711768084b6e0749bcb3b755220dc70

SHA1
2afeb16409c7886bf0b5839fa3c181033fc98373

SHA256
49b50e3e5302e2e862b1b44bd51e0af50d729e5b7c962b9590a9968e92d46114

SHA512
3ac7f00a5112929555747827be48cdb3d51d6c1c5d90f3b8b6c7da4374bf227e0120fe82ca22b2d0071c078a05959e5e6ebb39f08ea7824057829cc634752e77

Download Submit
memory/2256-69-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2256-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2712-68-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/2828-4-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2828-19-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2888-28-0x00000000003E0000-0x00000000003E1000-memory.dmp

Filesize
4KB

Download
memory/2888-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2888-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2888-73-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2888-75-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2888-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2888-77-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads