darkcomet | 07f25494ca96661749014ce8a459a3be96b55302fc8d176b291a15f67d9bc7a4

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 02:42

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General

Target

JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe
Size

703KB
MD5

85a3a19ca7a5f7b39fab7afc83796954
SHA1

7e9a371dcfd218bf516e7e2cb8bfbb2ca4393852
SHA256

07f25494ca96661749014ce8a459a3be96b55302fc8d176b291a15f67d9bc7a4
SHA512

cc894e8b352c55bd6d0f60e14482fca26d4f1db1d0ff0dc6a5ceeb94276a8765a18221cf4af37b2e345dbe53b1c7b2c06ee8281d2a82ffa68595eebd0a1f8aec
SSDEEP

12288:T+RKRkS6YRvN4Qxkgp38Em6Duh5Bdzz5PYMXxk3TFwicANfqVO3mdHysuuWjrfZZ:T+RKRkNYRZtp38R357xsBwjUfqg38HyZ

Score

10^/10

darkcomet darkcomet defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Extracted

Family

darkcomet

Botnet

DarkComet

decclanyo.no-ip.org:200

Mutex

DC_MUTEX-6UC8UMN

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
eHBZFHJcBn1u
install
true
offline_keylogger
true
persistence
true
reg_key
rundll32

rc4.plain

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:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	svchost.exe

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1612	attrib.exe
3036	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2316	svchost.exe
3024	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe
2316	svchost.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\rundll32 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MSDCSC\\msdcsc.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2764 set thread context of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30

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 8 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	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2316	svchost.exe
Token: SeSecurityPrivilege	2316	svchost.exe
Token: SeTakeOwnershipPrivilege	2316	svchost.exe
Token: SeLoadDriverPrivilege	2316	svchost.exe
Token: SeSystemProfilePrivilege	2316	svchost.exe
Token: SeSystemtimePrivilege	2316	svchost.exe
Token: SeProfSingleProcessPrivilege	2316	svchost.exe
Token: SeIncBasePriorityPrivilege	2316	svchost.exe
Token: SeCreatePagefilePrivilege	2316	svchost.exe
Token: SeBackupPrivilege	2316	svchost.exe
Token: SeRestorePrivilege	2316	svchost.exe
Token: SeShutdownPrivilege	2316	svchost.exe
Token: SeDebugPrivilege	2316	svchost.exe
Token: SeSystemEnvironmentPrivilege	2316	svchost.exe
Token: SeChangeNotifyPrivilege	2316	svchost.exe
Token: SeRemoteShutdownPrivilege	2316	svchost.exe
Token: SeUndockPrivilege	2316	svchost.exe
Token: SeManageVolumePrivilege	2316	svchost.exe
Token: SeImpersonatePrivilege	2316	svchost.exe
Token: SeCreateGlobalPrivilege	2316	svchost.exe
Token: 33	2316	svchost.exe
Token: 34	2316	svchost.exe
Token: 35	2316	svchost.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2316	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	30
PID 2764 wrote to memory of 2824	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	31
PID 2764 wrote to memory of 2824	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	31
PID 2764 wrote to memory of 2824	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	31
PID 2764 wrote to memory of 2824	2764	JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe	31
PID 2316 wrote to memory of 2828	2316	svchost.exe	32
PID 2316 wrote to memory of 2828	2316	svchost.exe	32
PID 2316 wrote to memory of 2828	2316	svchost.exe	32
PID 2316 wrote to memory of 2828	2316	svchost.exe	32
PID 2316 wrote to memory of 2532	2316	svchost.exe	33
PID 2316 wrote to memory of 2532	2316	svchost.exe	33
PID 2316 wrote to memory of 2532	2316	svchost.exe	33
PID 2316 wrote to memory of 2532	2316	svchost.exe	33
PID 2828 wrote to memory of 3036	2828	cmd.exe	36
PID 2828 wrote to memory of 3036	2828	cmd.exe	36
PID 2828 wrote to memory of 3036	2828	cmd.exe	36
PID 2828 wrote to memory of 3036	2828	cmd.exe	36
PID 2532 wrote to memory of 1612	2532	cmd.exe	37
PID 2532 wrote to memory of 1612	2532	cmd.exe	37
PID 2532 wrote to memory of 1612	2532	cmd.exe	37
PID 2532 wrote to memory of 1612	2532	cmd.exe	37
PID 2316 wrote to memory of 3024	2316	svchost.exe	39
PID 2316 wrote to memory of 3024	2316	svchost.exe	39
PID 2316 wrote to memory of 3024	2316	svchost.exe	39
PID 2316 wrote to memory of 3024	2316	svchost.exe	39

Views/modifies file attributes 1 TTPs 2 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
1612	attrib.exe
3036	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_85a3a19ca7a5f7b39fab7afc83796954.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2764
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2828
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:3036
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2532
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1612
- - C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
    "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3024
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cc.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2824

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\cc.vbs

Filesize
378B

MD5
fa87c36e56bb1f03f973d0125e286a09

SHA1
a47c79279865ad55be60eda927f6f0ad45053b7e

SHA256
d79606af3b78ec19255b43ac4050b477ee82b2d0f857c3a691111cd9ea667afd

SHA512
d867d6937551af2e4e9e18160312885be5659c0cd9f1c9ae112f2b6f887a31486700bb43567d6ef9c0070483c1233f5a5746af37c10b2d0fbc957c360318598a

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2316-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2316-42-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2316-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2764-33-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-1-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-2-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2764-0-0x0000000074C81000-0x0000000074C82000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads