darkcomet | 15656bffba0e2814b2c1ac576f7b8c5641ca19f640251b249983b72eafe51f5f

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
16-10-2024 15:32

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General

Target

4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe
Size

840KB
MD5

4d9cc610b320ba38be66f36c55a9a771
SHA1

2f399ad060bdaeabd2bd62c87aaec35dfafcfec3
SHA256

15656bffba0e2814b2c1ac576f7b8c5641ca19f640251b249983b72eafe51f5f
SHA512

f85388ca9a7bea96fc4cac7cd26201c9970de7e98f9ccf464bc1c27eb65a45b541e9077826b13a9b274fb2ec8f4089c1c640686ae9cec549d5f39caf85352d97
SSDEEP

12288:L////czfa1FLFhPI8woWYXnPlVql5ciJ4FCzB+ZqlV2UQQA8j:L////cba1FrPVw6RinBeKV2UQQA8j

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 firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

Processes:

svchsot.exe

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	svchsot.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	svchsot.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	svchsot.exe

Disables Task Manager via registry modification
evasion

Executes dropped EXE 2 IoCs

Processes:

FdcKJU.exesvchsot.exe

pid	Process
2864	FdcKJU.exe
2964	svchsot.exe

Loads dropped DLL 3 IoCs

Processes:

4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe

pid	Process
2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe
2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe
2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

FdcKJU.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\MSE = "C:\\Users\\Admin\\AppData\\Local\\Temp\\javaw.exe"	FdcKJU.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exesvchsot.exe

description	pid	Process	procid_target
PID 2164 set thread context of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2964 set thread context of 2120	2964	svchsot.exe	34

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 5 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:

FdcKJU.exesvchsot.exe4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.execsc.execvtres.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FdcKJU.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchsot.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exesvchsot.exe

description	pid	Process
Token: SeDebugPrivilege	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2964	svchsot.exe
Token: SeSecurityPrivilege	2964	svchsot.exe
Token: SeTakeOwnershipPrivilege	2964	svchsot.exe
Token: SeLoadDriverPrivilege	2964	svchsot.exe
Token: SeSystemProfilePrivilege	2964	svchsot.exe
Token: SeSystemtimePrivilege	2964	svchsot.exe
Token: SeProfSingleProcessPrivilege	2964	svchsot.exe
Token: SeIncBasePriorityPrivilege	2964	svchsot.exe
Token: SeCreatePagefilePrivilege	2964	svchsot.exe
Token: SeBackupPrivilege	2964	svchsot.exe
Token: SeRestorePrivilege	2964	svchsot.exe
Token: SeShutdownPrivilege	2964	svchsot.exe
Token: SeDebugPrivilege	2964	svchsot.exe
Token: SeSystemEnvironmentPrivilege	2964	svchsot.exe
Token: SeChangeNotifyPrivilege	2964	svchsot.exe
Token: SeRemoteShutdownPrivilege	2964	svchsot.exe
Token: SeUndockPrivilege	2964	svchsot.exe
Token: SeManageVolumePrivilege	2964	svchsot.exe
Token: SeImpersonatePrivilege	2964	svchsot.exe
Token: SeCreateGlobalPrivilege	2964	svchsot.exe
Token: 33	2964	svchsot.exe
Token: 34	2964	svchsot.exe
Token: 35	2964	svchsot.exe

Suspicious use of WriteProcessMemory 31 IoCs

Processes:

4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.execsc.exesvchsot.exe

description	pid	Process	procid_target
PID 2164 wrote to memory of 2588	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	29
PID 2164 wrote to memory of 2588	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	29
PID 2164 wrote to memory of 2588	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	29
PID 2164 wrote to memory of 2588	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	29
PID 2588 wrote to memory of 2972	2588	csc.exe	31
PID 2588 wrote to memory of 2972	2588	csc.exe	31
PID 2588 wrote to memory of 2972	2588	csc.exe	31
PID 2588 wrote to memory of 2972	2588	csc.exe	31
PID 2164 wrote to memory of 2864	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	32
PID 2164 wrote to memory of 2864	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	32
PID 2164 wrote to memory of 2864	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	32
PID 2164 wrote to memory of 2864	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	32
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2164 wrote to memory of 2964	2164	4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe	33
PID 2964 wrote to memory of 2120	2964	svchsot.exe	34
PID 2964 wrote to memory of 2120	2964	svchsot.exe	34
PID 2964 wrote to memory of 2120	2964	svchsot.exe	34
PID 2964 wrote to memory of 2120	2964	svchsot.exe	34
PID 2964 wrote to memory of 2120	2964	svchsot.exe	34
PID 2964 wrote to memory of 2120	2964	svchsot.exe	34

C:\Users\Admin\AppData\Local\Temp\4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\4d9cc610b320ba38be66f36c55a9a771_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\kero8l9m.cmdline"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2588
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESF44F.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCF44E.tmp"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2972
- C:\Users\Admin\AppData\Local\Temp\FdcKJU.exe
  "C:\Users\Admin\AppData\Local\Temp\FdcKJU.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2864
- C:\Users\Admin\AppData\Local\Temp\svchsot.exe
  C:\Users\Admin\AppData\Local\Temp\svchsot.exe
  2⤵
  - Modifies firewall policy service
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2964
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2120

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

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\FdcKJU.exe

Filesize
4KB

MD5
e70e37a9a9fdb1029c8d5bcfb595fc29

SHA1
115076f4dcd592ebca07cf6df42e8a13a1f2c0f8

SHA256
af2d3d47b4673ec8d5e8322277b0c44fdb994bd87f8db4377bb8b814deaa650e

SHA512
257a6bc7f415867201c7c7609fba495935495276afe5607ee491feecdb9caca0867e24bbdca41d9b028671e5490c85c475e187e00f0f8d09fb5ee8878507e97f

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESF44F.tmp

Filesize
1KB

MD5
d3dea9261f6785d2e4d0e186859f289f

SHA1
68daf80abedf60ad586aef0784975d613e2b50c3

SHA256
1db433029e57c6db717de41117a96e569e4ef2a23e7397fc5d437d2b92557be0

SHA512
01b1d1aadc0b04184489a694c15495aa27aeec1f9d77e8dc498724127691112e67c8897f3aac7a876ad46fbb5ed919899d6c4043f3401087c81b0247eecd283c

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\CSCF44E.tmp

Filesize
644B

MD5
2c9c27e24f3f0397b2524d174acf6446

SHA1
4fe4388d76fbb30f1861e8bd4f0314898e878c2b

SHA256
360319079e102fd47bc7e6f87189b11567524cb6501b41c16cae6acbcb6ca7b6

SHA512
e8bbde09e515a4f7ffedaaa840a99e0622e8ae90793f35700e450992cd63c7c65cce45d43b6330bd19910634f78b8510667748ca18489bb2d52c9b11647cbb00

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\kero8l9m.0.cs

Filesize
1KB

MD5
2213239e80e871f9ac49de583c363317

SHA1
488858c268a52e504b7eb08fa7ed32994b41c2c5

SHA256
5ae20ce7a86efecea947802d1098f7a958d0f02d0760dbd850fe8309c6487bc0

SHA512
1b4dd80972b0ba1edc406a494760d182b58c65dfaaa0036b1b8878a9efe49021bd5145bd0de4753256a4735825f8c2d80c071ff5230a181cfe91855e31610997

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\kero8l9m.cmdline

Filesize
259B

MD5
4badeca2ccd5d876c0f92d2e4248d099

SHA1
6b7584104e16bdfb2c78f2ea662b84ca3d73b172

SHA256
4efe9ab4812e33d255ad931f42579161b1780b772c6dbb8053d6463011f795bf

SHA512
8a2c7ce85e4220b647f19cf4d965874af8266f7f69cd74b909b12751f3272467ac09c39e288765d697313ef5a6b47faa814ecafc0eeac2580fd5a4fbc1c2e1f5

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

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2120-50-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2164-47-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/2164-2-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/2164-1-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/2164-0-0x00000000744B1000-0x00000000744B2000-memory.dmp

Filesize
4KB

Download
memory/2588-15-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/2588-8-0x00000000744B0000-0x0000000074A5B000-memory.dmp

Filesize
5.7MB

Download
memory/2964-34-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-40-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-36-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-46-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-32-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-30-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-43-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-42-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2964-26-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-38-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-48-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-28-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download
memory/2964-51-0x0000000000400000-0x00000000004C7000-memory.dmp

Filesize
796KB

Download