darkcomet | d68315d514bb29e78f97d755b5170fa3a16d4c2d486236e07ea40c30f1078710

Analysis

max time kernel
148s
max time network
144s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-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
2764	attrib.exe
2964	attrib.exe

Executes dropped EXE 1 IoCs

Processes:

PDcsc.exe

pid	Process
2852	PDcsc.exe

Loads dropped DLL 2 IoCs

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe

pid	Process
2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MEM2 = "C:\\Users\\Admin\\Documents\\saSC\\PDcsc.exe"	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\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:

attrib.exeattrib.exePDcsc.exe44d17629be594dd6886d43027f71aa26_JaffaCakes118.execmd.execmd.exe

description	ioc	Process
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	PDcsc.exe
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	cmd.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

PDcsc.exe

pid	Process
2852	PDcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.exePDcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSecurityPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeBackupPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeRestorePrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeShutdownPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeDebugPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeUndockPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: 33	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: 34	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: 35	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2852	PDcsc.exe
Token: SeSecurityPrivilege	2852	PDcsc.exe
Token: SeTakeOwnershipPrivilege	2852	PDcsc.exe
Token: SeLoadDriverPrivilege	2852	PDcsc.exe
Token: SeSystemProfilePrivilege	2852	PDcsc.exe
Token: SeSystemtimePrivilege	2852	PDcsc.exe
Token: SeProfSingleProcessPrivilege	2852	PDcsc.exe
Token: SeIncBasePriorityPrivilege	2852	PDcsc.exe
Token: SeCreatePagefilePrivilege	2852	PDcsc.exe
Token: SeBackupPrivilege	2852	PDcsc.exe
Token: SeRestorePrivilege	2852	PDcsc.exe
Token: SeShutdownPrivilege	2852	PDcsc.exe
Token: SeDebugPrivilege	2852	PDcsc.exe
Token: SeSystemEnvironmentPrivilege	2852	PDcsc.exe
Token: SeChangeNotifyPrivilege	2852	PDcsc.exe
Token: SeRemoteShutdownPrivilege	2852	PDcsc.exe
Token: SeUndockPrivilege	2852	PDcsc.exe
Token: SeManageVolumePrivilege	2852	PDcsc.exe
Token: SeImpersonatePrivilege	2852	PDcsc.exe
Token: SeCreateGlobalPrivilege	2852	PDcsc.exe
Token: 33	2852	PDcsc.exe
Token: 34	2852	PDcsc.exe
Token: 35	2852	PDcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PDcsc.exe

pid	Process
2852	PDcsc.exe

Suspicious use of WriteProcessMemory 20 IoCs

Processes:

44d17629be594dd6886d43027f71aa26_JaffaCakes118.execmd.execmd.exe

description	pid	Process	procid_target
PID 2204 wrote to memory of 2704	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	30
PID 2204 wrote to memory of 2704	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	30
PID 2204 wrote to memory of 2704	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	30
PID 2204 wrote to memory of 2704	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	30
PID 2204 wrote to memory of 2760	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	32
PID 2204 wrote to memory of 2760	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	32
PID 2204 wrote to memory of 2760	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	32
PID 2204 wrote to memory of 2760	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	32
PID 2760 wrote to memory of 2764	2760	cmd.exe	34
PID 2760 wrote to memory of 2764	2760	cmd.exe	34
PID 2760 wrote to memory of 2764	2760	cmd.exe	34
PID 2760 wrote to memory of 2764	2760	cmd.exe	34
PID 2704 wrote to memory of 2964	2704	cmd.exe	35
PID 2704 wrote to memory of 2964	2704	cmd.exe	35
PID 2704 wrote to memory of 2964	2704	cmd.exe	35
PID 2704 wrote to memory of 2964	2704	cmd.exe	35
PID 2204 wrote to memory of 2852	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	36
PID 2204 wrote to memory of 2852	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	36
PID 2204 wrote to memory of 2852	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	36
PID 2204 wrote to memory of 2852	2204	44d17629be594dd6886d43027f71aa26_JaffaCakes118.exe	36

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

Processes:

attrib.exeattrib.exe

pid	Process
2764	attrib.exe
2964	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
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2204
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2704
- - 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:2964
- C:\Windows\SysWOW64\cmd.exe
  cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpcmd.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2760
- - 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:2764
- 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:2852

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\tmpcmd.bat

Filesize
101B

MD5
1cc94b87efdd777679fbf471de485604

SHA1
9624ce4f1a0a94b26dd8938177930dc970bc91ae

SHA256
87e408ac9b11bb038b1362225e4a1609eaa0fbc2e98376dee6f1015058c3f8cf

SHA512
e213be5a10f8b377109a91b1ff72766d4ab45463982efc7956ece2c7194011b40fc7b5ecdfb43f0fc852ad4f219354e75ff20b81a2cec7c2833840126d504b81

Download Submit
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/2204-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2204-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2852-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/2852-33-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download