darkcomet | d0b38d66ec577ebc05179bf186ab43463478f157cf9bbd722a46e7bccf72d043

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
11/10/2024, 13:50

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General

Target

351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Size

658KB
MD5

351e68f2e31e9f43b8d42a1783b77fa5
SHA1

4f09ef300cbb1a3bfd31d20505b42d5cf1d61804
SHA256

d0b38d66ec577ebc05179bf186ab43463478f157cf9bbd722a46e7bccf72d043
SHA512

516e1809b03e1f410137d020d49b19b6a9fd705b6515f0b87f112cd8e103d06fec8555fe9dbfd079fe7b98f90b360b379198f41361f7e28997a35fbefe0e69f5
SSDEEP

12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hk:eZ1xuVVjfFoynPaVBUR8f+kN10EB+

Score

10^/10

darkcomet v1 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

78.219.82.2:666

Mutex

DC_MUTEX-DMZMZFF

Attributes

InstallPath
MZ\winscp.exe
gencode
Vn3EVy5WLaMk
install
true
offline_keylogger
true
persistence
false
reg_key
WinSCP

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

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\AppData\\Local\\Temp\\MZ\\winscp.exe"	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2440	winscp.exe

Loads dropped DLL 2 IoCs

pid	Process
1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinSCP = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MZ\\winscp.exe"	351e68f2e31e9f43b8d42a1783b77fa5_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 2 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	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winscp.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeSecurityPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeBackupPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeRestorePrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeShutdownPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeDebugPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeUndockPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: 33	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: 34	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: 35	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2440	winscp.exe
Token: SeSecurityPrivilege	2440	winscp.exe
Token: SeTakeOwnershipPrivilege	2440	winscp.exe
Token: SeLoadDriverPrivilege	2440	winscp.exe
Token: SeSystemProfilePrivilege	2440	winscp.exe
Token: SeSystemtimePrivilege	2440	winscp.exe
Token: SeProfSingleProcessPrivilege	2440	winscp.exe
Token: SeIncBasePriorityPrivilege	2440	winscp.exe
Token: SeCreatePagefilePrivilege	2440	winscp.exe
Token: SeBackupPrivilege	2440	winscp.exe
Token: SeRestorePrivilege	2440	winscp.exe
Token: SeShutdownPrivilege	2440	winscp.exe
Token: SeDebugPrivilege	2440	winscp.exe
Token: SeSystemEnvironmentPrivilege	2440	winscp.exe
Token: SeChangeNotifyPrivilege	2440	winscp.exe
Token: SeRemoteShutdownPrivilege	2440	winscp.exe
Token: SeUndockPrivilege	2440	winscp.exe
Token: SeManageVolumePrivilege	2440	winscp.exe
Token: SeImpersonatePrivilege	2440	winscp.exe
Token: SeCreateGlobalPrivilege	2440	winscp.exe
Token: 33	2440	winscp.exe
Token: 34	2440	winscp.exe
Token: 35	2440	winscp.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2440	winscp.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1900 wrote to memory of 2440	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2440	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2440	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe	30
PID 1900 wrote to memory of 2440	1900	351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe	30

C:\Users\Admin\AppData\Local\Temp\351e68f2e31e9f43b8d42a1783b77fa5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\351e68f2e31e9f43b8d42a1783b77fa5_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:1900
- C:\Users\Admin\AppData\Local\Temp\MZ\winscp.exe
  "C:\Users\Admin\AppData\Local\Temp\MZ\winscp.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2440

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

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

\Users\Admin\AppData\Local\Temp\MZ\winscp.exe

Filesize
658KB

MD5
351e68f2e31e9f43b8d42a1783b77fa5

SHA1
4f09ef300cbb1a3bfd31d20505b42d5cf1d61804

SHA256
d0b38d66ec577ebc05179bf186ab43463478f157cf9bbd722a46e7bccf72d043

SHA512
516e1809b03e1f410137d020d49b19b6a9fd705b6515f0b87f112cd8e103d06fec8555fe9dbfd079fe7b98f90b360b379198f41361f7e28997a35fbefe0e69f5

Download Submit
memory/1900-0-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1900-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2440-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2440-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads