darkcomet | d68315d514bb29e78f97d755b5170fa3a16d4c2d486236e07ea40c30f1078710

Analysis

max time kernel
149s
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
14-10-2024 23:59

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General

Target

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Size

723KB
MD5

44d17629be594dd6886d43027f71aa26
SHA1

239f3e93bc49178f877e70bcf771465f19fa85df
SHA256

d68315d514bb29e78f97d755b5170fa3a16d4c2d486236e07ea40c30f1078710
SHA512

06d34d63b1de6d40987e3dffbdfb8ca821e666b8a6cabcf5220c39621aafa824e6d8d039b0e8a85356528e097d6e7308d3836d3891057a5136798f9a78646470
SSDEEP

12288:gFLlJnnbWOtz6sVJhvaz1Qc/WdI//vfM4qwrbkniafLo6vUTyl0w/q9jJa:Q3nbWmJVJFwSddIXvfhqbiaxvRxq9o

Score

10^/10

darkcomet discovery evasion persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\saSC\\PDcsc.exe"	44d17629be594dd6886d43027f71aa26_JaffaCakes118.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

Processes:

attrib.exeattrib.exe

pid	Process
2892	attrib.exe
1008	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

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

PDcsc.exe

pid	Process
5008	PDcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exePDcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MEM2 = "C:\\Users\\Admin\\Documents\\saSC\\PDcsc.exe"	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MEM2 = "C:\\Users\\Admin\\Documents\\saSC\\PDcsc.exe"	PDcsc.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 6 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

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.execmd.exeattrib.execmd.exeattrib.exePDcsc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	44d17629be594dd6886d43027f71aa26_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	PDcsc.exe

Modifies registry class 1 IoCs

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

PDcsc.exe

pid	Process
5008	PDcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exePDcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSecurityPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeBackupPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeRestorePrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeShutdownPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeDebugPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeUndockPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: 33	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: 34	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: 35	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: 36	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	5008	PDcsc.exe
Token: SeSecurityPrivilege	5008	PDcsc.exe
Token: SeTakeOwnershipPrivilege	5008	PDcsc.exe
Token: SeLoadDriverPrivilege	5008	PDcsc.exe
Token: SeSystemProfilePrivilege	5008	PDcsc.exe
Token: SeSystemtimePrivilege	5008	PDcsc.exe
Token: SeProfSingleProcessPrivilege	5008	PDcsc.exe
Token: SeIncBasePriorityPrivilege	5008	PDcsc.exe
Token: SeCreatePagefilePrivilege	5008	PDcsc.exe
Token: SeBackupPrivilege	5008	PDcsc.exe
Token: SeRestorePrivilege	5008	PDcsc.exe
Token: SeShutdownPrivilege	5008	PDcsc.exe
Token: SeDebugPrivilege	5008	PDcsc.exe
Token: SeSystemEnvironmentPrivilege	5008	PDcsc.exe
Token: SeChangeNotifyPrivilege	5008	PDcsc.exe
Token: SeRemoteShutdownPrivilege	5008	PDcsc.exe
Token: SeUndockPrivilege	5008	PDcsc.exe
Token: SeManageVolumePrivilege	5008	PDcsc.exe
Token: SeImpersonatePrivilege	5008	PDcsc.exe
Token: SeCreateGlobalPrivilege	5008	PDcsc.exe
Token: 33	5008	PDcsc.exe
Token: 34	5008	PDcsc.exe
Token: 35	5008	PDcsc.exe
Token: 36	5008	PDcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PDcsc.exe

pid	Process
5008	PDcsc.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.execmd.execmd.exe

description	pid	Process	procid_target
PID 1244 wrote to memory of 2216	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	92
PID 1244 wrote to memory of 2216	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	92
PID 1244 wrote to memory of 2216	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	92
PID 1244 wrote to memory of 4752	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	94
PID 1244 wrote to memory of 4752	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	94
PID 1244 wrote to memory of 4752	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	94
PID 2216 wrote to memory of 2892	2216	cmd.exe	96
PID 2216 wrote to memory of 2892	2216	cmd.exe	96
PID 2216 wrote to memory of 2892	2216	cmd.exe	96
PID 4752 wrote to memory of 1008	4752	cmd.exe	97
PID 4752 wrote to memory of 1008	4752	cmd.exe	97
PID 4752 wrote to memory of 1008	4752	cmd.exe	97
PID 1244 wrote to memory of 5008	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	98
PID 1244 wrote to memory of 5008	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	98
PID 1244 wrote to memory of 5008	1244	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	98

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2892	attrib.exe
1008	attrib.exe

C:\Users\Admin\AppData\Local\Temp\44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\44d17629be594dd6886d43027f71aa26_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:1244
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2216
- - 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:2892
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4752
- - 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:1008
- C:\Users\Admin\Documents\saSC\PDcsc.exe
  "C:\Users\Admin\Documents\saSC\PDcsc.exe"
  2⤵
  - 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
  PID:5008

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

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat

Filesize
50B

MD5
b774ae3fb1da087e1f83b4f7b2060e5a

SHA1
97eb9be49ac3af9c851c9e1e84e32bfd53e325a8

SHA256
adaf4a84b41e410b02e261cfd0fe7739d98647eab73c3badd32ac6e39f26351b

SHA512
f75d0f95f7306d26a12b414bfe37b97fbd37546cb3c6e403def7077329ddffb4b45d5c5f0ba0e7bb6d72851d2d691b0a85267beead42f7cbf2e8c3d45a3b4701

Download Submit
C:\Users\Admin\Documents\saSC\PDcsc.exe

Filesize
723KB

MD5
44d17629be594dd6886d43027f71aa26

SHA1
239f3e93bc49178f877e70bcf771465f19fa85df

SHA256
d68315d514bb29e78f97d755b5170fa3a16d4c2d486236e07ea40c30f1078710

SHA512
06d34d63b1de6d40987e3dffbdfb8ca821e666b8a6cabcf5220c39621aafa824e6d8d039b0e8a85356528e097d6e7308d3836d3891057a5136798f9a78646470

Download Submit
memory/1244-0-0x0000000002270000-0x0000000002271000-memory.dmp

Filesize
4KB

Download
memory/1244-70-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/5008-71-0x0000000002170000-0x0000000002171000-memory.dmp

Filesize
4KB

Download
memory/5008-72-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/5008-74-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download