darkcomet | c8503de87f8200c86863915acd9ce8b1d662c19cab9243df755f098107c71529

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 11:25

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General

Target

c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe
Size

951KB
MD5

c250268be8a7f03b4094d06b421435eb
SHA1

dabb2ed63fabd5df5afd4b75ef66489973ecabf6
SHA256

c8503de87f8200c86863915acd9ce8b1d662c19cab9243df755f098107c71529
SHA512

2cb6cbceb048709cdb318ab5524c079268582a8de70f9baa2199e4101f90e9af8185b8f51e4e9a9b24fc442264a3d584fa4866ca76c4daff0277aa4b878851a1
SSDEEP

12288:JvVE3IIIKuvj3+JqFiISjk7o0RjCwzCQy:JPnvj3+Jqe9N

Score

10^/10

darkcomet server discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Server

216.38.8.186 :107

Mutex

DC_MUTEX-H94LEA3

Attributes

gencode
5vBqJWEKBjsA
install
false
offline_keylogger
true
password
123456
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

Executes dropped EXE 2 IoCs

pid	Process
2820	ConfF.exe
2644	cvtres.exe

Loads dropped DLL 3 IoCs

pid	Process
2116	c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe
2116	c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe
2820	ConfF.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\Configuration Files = "C:\\Users\\Admin\\AppData\\ConfF.exe"	ConfF.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2820 set thread context of 2644	2820	ConfF.exe	31

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 4 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	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ConfF.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2820	ConfF.exe
2820	ConfF.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2644	cvtres.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	ConfF.exe
Token: SeIncreaseQuotaPrivilege	2644	cvtres.exe
Token: SeSecurityPrivilege	2644	cvtres.exe
Token: SeTakeOwnershipPrivilege	2644	cvtres.exe
Token: SeLoadDriverPrivilege	2644	cvtres.exe
Token: SeSystemProfilePrivilege	2644	cvtres.exe
Token: SeSystemtimePrivilege	2644	cvtres.exe
Token: SeProfSingleProcessPrivilege	2644	cvtres.exe
Token: SeIncBasePriorityPrivilege	2644	cvtres.exe
Token: SeCreatePagefilePrivilege	2644	cvtres.exe
Token: SeBackupPrivilege	2644	cvtres.exe
Token: SeRestorePrivilege	2644	cvtres.exe
Token: SeShutdownPrivilege	2644	cvtres.exe
Token: SeDebugPrivilege	2644	cvtres.exe
Token: SeSystemEnvironmentPrivilege	2644	cvtres.exe
Token: SeChangeNotifyPrivilege	2644	cvtres.exe
Token: SeRemoteShutdownPrivilege	2644	cvtres.exe
Token: SeUndockPrivilege	2644	cvtres.exe
Token: SeManageVolumePrivilege	2644	cvtres.exe
Token: SeImpersonatePrivilege	2644	cvtres.exe
Token: SeCreateGlobalPrivilege	2644	cvtres.exe
Token: 33	2644	cvtres.exe
Token: 34	2644	cvtres.exe
Token: 35	2644	cvtres.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2644	cvtres.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2116 wrote to memory of 2820	2116	c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe	30
PID 2116 wrote to memory of 2820	2116	c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe	30
PID 2116 wrote to memory of 2820	2116	c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe	30
PID 2116 wrote to memory of 2820	2116	c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe	30
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2644 wrote to memory of 3020	2644	cvtres.exe	32
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31
PID 2820 wrote to memory of 2644	2820	ConfF.exe	31

C:\Users\Admin\AppData\Local\Temp\c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c250268be8a7f03b4094d06b421435eb_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2116
- C:\Users\Admin\AppData\ConfF.exe
  "C:\Users\Admin\AppData\ConfF.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2820
- - C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    C:\Users\Admin\AppData\Local\Temp\\cvtres.exe
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2644
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      System Location Discovery: System Language Discovery
      PID:3020

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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Downloads

\Users\Admin\AppData\ConfF.exe

Filesize
512KB

MD5
f941adeec0a064627c21f11aac6804de

SHA1
32c7d8ffe19ebf6ab2113440739ea45193916af3

SHA256
6410ab9913464033815005c74c8814a3239b02dc639bef554ab843ddd35582b2

SHA512
cf4a987d7f4c35e59f193185614ccdb56037ae9c76035a5a8620f2f855301c65e7f954ec820becc2d6cb7fec17389b57c533c74912e8fdae2ab05c4ffc5e1919

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

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2116-1-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-2-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-3-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-14-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2116-0-0x0000000074C41000-0x0000000074C42000-memory.dmp

Filesize
4KB

Download
memory/2644-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-33-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-93-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-87-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-43-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-41-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2644-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-35-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-88-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-47-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-44-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-45-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2820-17-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-15-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-16-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-92-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2820-18-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/3020-86-0x00000000001E0000-0x00000000001E1000-memory.dmp

Filesize
4KB

Download
memory/3020-48-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download