darkcomet | dee54d553a9248f18e1597173d2141c0dbc8e3a85d3c5aba6d79d6200eec6b1f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 03:16

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General

Target

98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Size

758KB
MD5

98e2f247f5f606162159cb11765232ab
SHA1

11430901adf7af432541d0591d311d793822ad25
SHA256

dee54d553a9248f18e1597173d2141c0dbc8e3a85d3c5aba6d79d6200eec6b1f
SHA512

84d5a46400538017bb3e2c821b75533f0fc2180be9c19ab2ceb9fd14f561c25e1e24576474b33afb64568b4e1ab70600011101c94fb1c1855ba510a57d8ebd7c
SSDEEP

12288:ZXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452Ud:lnAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jt

Score

10^/10

darkcomet machine discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Machine

8956584.servegame.com:1604

Mutex

DC_MUTEX-TU3948U

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
FY45WQHSmbHL
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:\\Windows\\MSDCSC\\msdcsc.exe"	98e2f247f5f606162159cb11765232ab_JaffaCakes118.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 1 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

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
2624	attrib.exe
1680	attrib.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe

Deletes itself 1 IoCs

pid	Process
1700	notepad.exe

Executes dropped EXE 1 IoCs

pid	Process
1436	msdcsc.exe

Windows security modification 2 TTPs 1 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

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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Windows\\MSDCSC\\msdcsc.exe"	msdcsc.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\MSDCSC\msdcsc.exe	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
File opened for modification	C:\Windows\MSDCSC\	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
File created	C:\Windows\MSDCSC\msdcsc.exe	98e2f247f5f606162159cb11765232ab_JaffaCakes118.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1436	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeSecurityPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeBackupPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeRestorePrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeShutdownPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeDebugPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeUndockPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: 33	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: 34	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: 35	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: 36	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1436	msdcsc.exe
Token: SeSecurityPrivilege	1436	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1436	msdcsc.exe
Token: SeLoadDriverPrivilege	1436	msdcsc.exe
Token: SeSystemProfilePrivilege	1436	msdcsc.exe
Token: SeSystemtimePrivilege	1436	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1436	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1436	msdcsc.exe
Token: SeCreatePagefilePrivilege	1436	msdcsc.exe
Token: SeBackupPrivilege	1436	msdcsc.exe
Token: SeRestorePrivilege	1436	msdcsc.exe
Token: SeShutdownPrivilege	1436	msdcsc.exe
Token: SeDebugPrivilege	1436	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1436	msdcsc.exe
Token: SeChangeNotifyPrivilege	1436	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1436	msdcsc.exe
Token: SeUndockPrivilege	1436	msdcsc.exe
Token: SeManageVolumePrivilege	1436	msdcsc.exe
Token: SeImpersonatePrivilege	1436	msdcsc.exe
Token: SeCreateGlobalPrivilege	1436	msdcsc.exe
Token: 33	1436	msdcsc.exe
Token: 34	1436	msdcsc.exe
Token: 35	1436	msdcsc.exe
Token: 36	1436	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1436	msdcsc.exe

Suspicious use of WriteProcessMemory 54 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 2580	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	83
PID 3588 wrote to memory of 2580	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	83
PID 3588 wrote to memory of 2580	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	83
PID 3588 wrote to memory of 3456	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	85
PID 3588 wrote to memory of 3456	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	85
PID 3588 wrote to memory of 3456	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	85
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 3588 wrote to memory of 1700	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	86
PID 2580 wrote to memory of 2624	2580	cmd.exe	88
PID 2580 wrote to memory of 2624	2580	cmd.exe	88
PID 2580 wrote to memory of 2624	2580	cmd.exe	88
PID 3456 wrote to memory of 1680	3456	cmd.exe	89
PID 3456 wrote to memory of 1680	3456	cmd.exe	89
PID 3456 wrote to memory of 1680	3456	cmd.exe	89
PID 3588 wrote to memory of 1436	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	90
PID 3588 wrote to memory of 1436	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	90
PID 3588 wrote to memory of 1436	3588	98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe	90
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91
PID 1436 wrote to memory of 2124	1436	msdcsc.exe	91

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2624	attrib.exe
1680	attrib.exe

C:\Users\Admin\AppData\Local\Temp\98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2580
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\98e2f247f5f606162159cb11765232ab_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2624
- 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:3456
- - 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:1680
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  PID:1700
- C:\Windows\MSDCSC\msdcsc.exe
  "C:\Windows\MSDCSC\msdcsc.exe"
  2⤵
  - Modifies security service
  - Windows security bypass
  - 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
  PID:1436
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2124

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

Query Registry

T1012

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:\Windows\MSDCSC\msdcsc.exe

Filesize
758KB

MD5
98e2f247f5f606162159cb11765232ab

SHA1
11430901adf7af432541d0591d311d793822ad25

SHA256
dee54d553a9248f18e1597173d2141c0dbc8e3a85d3c5aba6d79d6200eec6b1f

SHA512
84d5a46400538017bb3e2c821b75533f0fc2180be9c19ab2ceb9fd14f561c25e1e24576474b33afb64568b4e1ab70600011101c94fb1c1855ba510a57d8ebd7c

Download Submit
memory/1436-73-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-75-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-71-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-72-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-66-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-67-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-68-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-69-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-79-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-70-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-78-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-77-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-74-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1436-76-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/1700-4-0x0000000001070000-0x0000000001071000-memory.dmp

Filesize
4KB

Download
memory/2124-65-0x00000000006B0000-0x00000000006B1000-memory.dmp

Filesize
4KB

Download
memory/3588-0-0x0000000002290000-0x0000000002291000-memory.dmp

Filesize
4KB

Download
memory/3588-63-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads