darkcomet | 7ecb64fe1dc2bfa8633881618e70cc66f124e2c604c850956c1250c5f4754b92

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 08:52

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Size

284KB
MD5

63eef19448b880dc55a3a52bc9a8da08
SHA1

93bb46edb40c00d4d2601f9662076e1565594683
SHA256

7ecb64fe1dc2bfa8633881618e70cc66f124e2c604c850956c1250c5f4754b92
SHA512

0a33f1554c831c6704830016b93eed51d1916ab8f51d9871c42542ffac31c28bec2b61b4d8fba1c298c6dda1d07ec4ae9301b2b511506e03f0a1fea3cff8138a
SSDEEP

6144:Flb6SDOiIN4o2cOMayarS0IjX7n6wXmzbBFX:F0Siiu2cOMayaZerXXmhFX

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

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:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe

Executes dropped EXE 1 IoCs

pid	Process
2380	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\ProgramData\\Microsoft\\Windows\\Start Menu\\MSDCSC\\msdcsc.exe"	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe

UPX packed file 19 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2672-0-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/files/0x00080000000165c7-5.dat	upx
behavioral1/memory/2672-14-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-15-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-18-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-19-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-20-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-21-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-22-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-23-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-24-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-25-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-26-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-27-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-28-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-29-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-30-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-31-0x0000000000400000-0x00000000004C9000-memory.dmp	upx
behavioral1/memory/2380-32-0x0000000000400000-0x00000000004C9000-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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeSecurityPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeTakeOwnershipPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeLoadDriverPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeSystemProfilePrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeSystemtimePrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeProfSingleProcessPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeIncBasePriorityPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeCreatePagefilePrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeBackupPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeRestorePrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeShutdownPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeDebugPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeSystemEnvironmentPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeChangeNotifyPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeRemoteShutdownPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeUndockPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeManageVolumePrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeImpersonatePrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeCreateGlobalPrivilege	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: 33	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: 34	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: 35	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
Token: SeIncreaseQuotaPrivilege	2380	msdcsc.exe
Token: SeSecurityPrivilege	2380	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2380	msdcsc.exe
Token: SeLoadDriverPrivilege	2380	msdcsc.exe
Token: SeSystemProfilePrivilege	2380	msdcsc.exe
Token: SeSystemtimePrivilege	2380	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2380	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2380	msdcsc.exe
Token: SeCreatePagefilePrivilege	2380	msdcsc.exe
Token: SeBackupPrivilege	2380	msdcsc.exe
Token: SeRestorePrivilege	2380	msdcsc.exe
Token: SeShutdownPrivilege	2380	msdcsc.exe
Token: SeDebugPrivilege	2380	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2380	msdcsc.exe
Token: SeChangeNotifyPrivilege	2380	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2380	msdcsc.exe
Token: SeUndockPrivilege	2380	msdcsc.exe
Token: SeManageVolumePrivilege	2380	msdcsc.exe
Token: SeImpersonatePrivilege	2380	msdcsc.exe
Token: SeCreateGlobalPrivilege	2380	msdcsc.exe
Token: 33	2380	msdcsc.exe
Token: 34	2380	msdcsc.exe
Token: 35	2380	msdcsc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2672 wrote to memory of 2380	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe	31
PID 2672 wrote to memory of 2380	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe	31
PID 2672 wrote to memory of 2380	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe	31
PID 2672 wrote to memory of 2380	2672	JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe	31
PID 2380 wrote to memory of 2820	2380	msdcsc.exe	32
PID 2380 wrote to memory of 2820	2380	msdcsc.exe	32
PID 2380 wrote to memory of 2820	2380	msdcsc.exe	32
PID 2380 wrote to memory of 2820	2380	msdcsc.exe	32
PID 2380 wrote to memory of 1580	2380	msdcsc.exe	33
PID 2380 wrote to memory of 1580	2380	msdcsc.exe	33
PID 2380 wrote to memory of 1580	2380	msdcsc.exe	33
PID 2380 wrote to memory of 1580	2380	msdcsc.exe	33

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63eef19448b880dc55a3a52bc9a8da08.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:2672
- C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe
  "C:\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2380
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2820
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:1580

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

Replay Monitor

Loading Replay Monitor...

Downloads

\ProgramData\Microsoft\Windows\Start Menu\MSDCSC\msdcsc.exe

Filesize
284KB

MD5
63eef19448b880dc55a3a52bc9a8da08

SHA1
93bb46edb40c00d4d2601f9662076e1565594683

SHA256
7ecb64fe1dc2bfa8633881618e70cc66f124e2c604c850956c1250c5f4754b92

SHA512
0a33f1554c831c6704830016b93eed51d1916ab8f51d9871c42542ffac31c28bec2b61b4d8fba1c298c6dda1d07ec4ae9301b2b511506e03f0a1fea3cff8138a

Download Submit
memory/2380-26-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-28-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-22-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-24-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-23-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-16-0x00000000003F0000-0x00000000003F1000-memory.dmp

Filesize
4KB

Download
memory/2380-18-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-19-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-20-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-21-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-32-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-31-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-15-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-25-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-30-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-27-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2380-29-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2672-1-0x00000000002F0000-0x00000000002F1000-memory.dmp

Filesize
4KB

Download
memory/2672-0-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download
memory/2672-11-0x0000000003770000-0x0000000003839000-memory.dmp

Filesize
804KB

Download
memory/2672-14-0x0000000000400000-0x00000000004C9000-memory.dmp

Filesize
804KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads