darkcomet | daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 19:25

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Size

758KB
MD5

fcd050d24c326e9e50b3cdccd08dda2a
SHA1

dfeff196f7394f036fc081b96bba2cd0b3f23e6e
SHA256

daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d
SHA512

c49685573489e50a5ecac7f86e09c9cd83d42a53c2fb3793f3b60af5cad661cb4ee850df6927bd2410933a18269b6f0029560d94bed91fcda8f3a27e2a53439b
SSDEEP

12288:CXhpvNWw276S/DuoeFcfbmiJ99VPhYR5MTSHvLenELrWv1lZw4JuMkMh/fy452U3:snAw2WWeFcfbP9VPSPMTSPL/rWvzq4Jn

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

130.193.132.148:1604

Mutex

DC_MUTEX-E5SXSBX

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
CsuuJMHztt7z
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"	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "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
3504	attrib.exe
2644	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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2368	msdcsc.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\UpdatesDisableNotify = "1"	msdcsc.exe
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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.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 7 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	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSecurityPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeBackupPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeRestorePrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeShutdownPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeDebugPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeUndockPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: 33	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: 34	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: 35	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: 36	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2368	msdcsc.exe
Token: SeSecurityPrivilege	2368	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2368	msdcsc.exe
Token: SeLoadDriverPrivilege	2368	msdcsc.exe
Token: SeSystemProfilePrivilege	2368	msdcsc.exe
Token: SeSystemtimePrivilege	2368	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2368	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2368	msdcsc.exe
Token: SeCreatePagefilePrivilege	2368	msdcsc.exe
Token: SeBackupPrivilege	2368	msdcsc.exe
Token: SeRestorePrivilege	2368	msdcsc.exe
Token: SeShutdownPrivilege	2368	msdcsc.exe
Token: SeDebugPrivilege	2368	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2368	msdcsc.exe
Token: SeChangeNotifyPrivilege	2368	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2368	msdcsc.exe
Token: SeUndockPrivilege	2368	msdcsc.exe
Token: SeManageVolumePrivilege	2368	msdcsc.exe
Token: SeImpersonatePrivilege	2368	msdcsc.exe
Token: SeCreateGlobalPrivilege	2368	msdcsc.exe
Token: 33	2368	msdcsc.exe
Token: 34	2368	msdcsc.exe
Token: 35	2368	msdcsc.exe
Token: 36	2368	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2368	msdcsc.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 4924 wrote to memory of 4860	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	83
PID 4924 wrote to memory of 4860	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	83
PID 4924 wrote to memory of 4860	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	83
PID 4924 wrote to memory of 2260	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	85
PID 4924 wrote to memory of 2260	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	85
PID 4924 wrote to memory of 2260	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	85
PID 2260 wrote to memory of 3504	2260	cmd.exe	87
PID 2260 wrote to memory of 3504	2260	cmd.exe	87
PID 2260 wrote to memory of 3504	2260	cmd.exe	87
PID 4860 wrote to memory of 2644	4860	cmd.exe	88
PID 4860 wrote to memory of 2644	4860	cmd.exe	88
PID 4860 wrote to memory of 2644	4860	cmd.exe	88
PID 4924 wrote to memory of 2368	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	89
PID 4924 wrote to memory of 2368	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	89
PID 4924 wrote to memory of 2368	4924	fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe	89
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90
PID 2368 wrote to memory of 3468	2368	msdcsc.exe	90

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
3504	attrib.exe
2644	attrib.exe

C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4924
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4860
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\fcd050d24c326e9e50b3cdccd08dda2a_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2644
- 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:2260
- - 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:3504
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - 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
  PID:2368
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3468

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
758KB

MD5
fcd050d24c326e9e50b3cdccd08dda2a

SHA1
dfeff196f7394f036fc081b96bba2cd0b3f23e6e

SHA256
daed32b7a133f4597413ca9d53307b06ab5fbb642a172a612d4b121645c25a0d

SHA512
c49685573489e50a5ecac7f86e09c9cd83d42a53c2fb3793f3b60af5cad661cb4ee850df6927bd2410933a18269b6f0029560d94bed91fcda8f3a27e2a53439b

Download Submit
memory/2368-62-0x0000000002180000-0x0000000002181000-memory.dmp

Filesize
4KB

Download
memory/2368-64-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/2368-66-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download
memory/3468-63-0x0000000000AA0000-0x0000000000AA1000-memory.dmp

Filesize
4KB

Download
memory/4924-0-0x00000000007A0000-0x00000000007A1000-memory.dmp

Filesize
4KB

Download
memory/4924-61-0x0000000000400000-0x00000000004CD000-memory.dmp

Filesize
820KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads