darkcomet | cacddf660daa544ed10b229c985b88e987b611bd5528b4bdb526809901cab5be

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-10-2024 09:39

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General

Target

5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Size

280KB
MD5

5c0106271bdbd29ee14f145d87caa082
SHA1

5e758d47f5fd4c8f6eb2fc1c039bc6d72e6241b9
SHA256

cacddf660daa544ed10b229c985b88e987b611bd5528b4bdb526809901cab5be
SHA512

a2fbb5511cbb31285019e6c0e23a021919026314fb32ba07a8d0318353d74ed5b6c510c7e186464513e56fe3078cc7b8a65c2f3499d104da05d6b915abf2025c
SSDEEP

6144:iwT5O7pJmNB6dLY6dCnnsyZLHoaIyv6ocU/qxDS2xDWb3cwEw4:iP+NULZdCn3TbncU2D7Ab3n4

Score

10^/10

darkcomet victim discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Victim

ganjalife.no-ip.biz:1452

Mutex

DC_MUTEX-JLZHKUJ

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
5sqvqmXgCKct
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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

5c0106271bdbd29ee14f145d87caa082_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\\MSDCSC\\msdcsc.exe"	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.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:

5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid	Process
1052	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exemsdcsc.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3836-0-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/files/0x000b000000023b78-6.dat	upx
behavioral2/memory/1052-63-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/3836-64-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-66-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-67-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-68-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-69-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-70-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-71-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-72-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-73-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-74-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-75-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-76-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-77-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-78-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-79-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral2/memory/1052-80-0x0000000000400000-0x00000000004C5000-memory.dmp	upx

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

Processes:

5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exemsdcsc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

Processes:

5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeSecurityPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeBackupPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeRestorePrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeShutdownPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeDebugPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeUndockPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: 33	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: 34	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: 35	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: 36	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1052	msdcsc.exe
Token: SeSecurityPrivilege	1052	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1052	msdcsc.exe
Token: SeLoadDriverPrivilege	1052	msdcsc.exe
Token: SeSystemProfilePrivilege	1052	msdcsc.exe
Token: SeSystemtimePrivilege	1052	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1052	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1052	msdcsc.exe
Token: SeCreatePagefilePrivilege	1052	msdcsc.exe
Token: SeBackupPrivilege	1052	msdcsc.exe
Token: SeRestorePrivilege	1052	msdcsc.exe
Token: SeShutdownPrivilege	1052	msdcsc.exe
Token: SeDebugPrivilege	1052	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1052	msdcsc.exe
Token: SeChangeNotifyPrivilege	1052	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1052	msdcsc.exe
Token: SeUndockPrivilege	1052	msdcsc.exe
Token: SeManageVolumePrivilege	1052	msdcsc.exe
Token: SeImpersonatePrivilege	1052	msdcsc.exe
Token: SeCreateGlobalPrivilege	1052	msdcsc.exe
Token: 33	1052	msdcsc.exe
Token: 34	1052	msdcsc.exe
Token: 35	1052	msdcsc.exe
Token: 36	1052	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid	Process
1052	msdcsc.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exemsdcsc.exe

description	pid	Process	procid_target
PID 3836 wrote to memory of 1052	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe	86
PID 3836 wrote to memory of 1052	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe	86
PID 3836 wrote to memory of 1052	3836	5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe	86
PID 1052 wrote to memory of 2404	1052	msdcsc.exe	87
PID 1052 wrote to memory of 2404	1052	msdcsc.exe	87
PID 1052 wrote to memory of 2404	1052	msdcsc.exe	87
PID 1052 wrote to memory of 732	1052	msdcsc.exe	88
PID 1052 wrote to memory of 732	1052	msdcsc.exe	88

C:\Users\Admin\AppData\Local\Temp\5c0106271bdbd29ee14f145d87caa082_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5c0106271bdbd29ee14f145d87caa082_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:3836
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - 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:1052
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2404
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:732

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

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\Documents\MSDCSC\msdcsc.exe

Filesize
280KB

MD5
5c0106271bdbd29ee14f145d87caa082

SHA1
5e758d47f5fd4c8f6eb2fc1c039bc6d72e6241b9

SHA256
cacddf660daa544ed10b229c985b88e987b611bd5528b4bdb526809901cab5be

SHA512
a2fbb5511cbb31285019e6c0e23a021919026314fb32ba07a8d0318353d74ed5b6c510c7e186464513e56fe3078cc7b8a65c2f3499d104da05d6b915abf2025c

Download Submit
memory/1052-70-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-78-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-63-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-69-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-65-0x0000000000700000-0x0000000000701000-memory.dmp

Filesize
4KB

Download
memory/1052-66-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-67-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-71-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-80-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-79-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-68-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-72-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-73-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-74-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-75-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-76-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/1052-77-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/3836-0-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/3836-1-0x00000000007C0000-0x00000000007C1000-memory.dmp

Filesize
4KB

Download
memory/3836-64-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download