darkcomet | 7c5aa3941d777c085c3d936fe8a4a4644210b0ec48267fc62ba2a044ed4eeb21

Analysis

max time kernel
150s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
16-04-2024 22:01

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General

Target

f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe
Size

834KB
MD5

f46c01edc415cb7eac960368a1f1e2f2
SHA1

afcb4f303a4cf5d70fbd4714abae58a5ebbea663
SHA256

7c5aa3941d777c085c3d936fe8a4a4644210b0ec48267fc62ba2a044ed4eeb21
SHA512

fc9aefb22563dd616626a0813b5d40ba3a8a1da7bc53e3bc6268280dd095f20bb194671520210fde55045012582cd7bf429f967a216d11441a8f9257fd9fe8f9
SSDEEP

24576:tMcKVmKIeOwO5U0/hV7kOp2x1XiQ+NzPwW56Zz4bd3c:ScKVmKIenqU0/v7kOp2x1XiQsjn6F4b

Score

10^/10

darkcomet windows persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Windows

darkcometlol.no-ip.org:1604

Mutex

DC_MUTEX-CD6BS17

Attributes

gencode
e4CigQQ2jcfd
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 2 IoCs

Processes:

win.execvtres.exe

pid	Process
2944	win.exe
2532	cvtres.exe

Loads dropped DLL 3 IoCs

Processes:

f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exewin.exe

pid	Process
2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe
2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe
2944	win.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

win.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Local\\Temp\\win.exe"	win.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

win.exe

description	pid	Process	procid_target
PID 2944 set thread context of 2532	2944	win.exe	30

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

win.exe

pid	Process
2944	win.exe
2944	win.exe

Suspicious use of AdjustPrivilegeToken 26 IoCs

Processes:

f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exewin.execvtres.exe

description	pid	Process
Token: SeDebugPrivilege	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe
Token: SeDebugPrivilege	2944	win.exe
Token: SeIncreaseQuotaPrivilege	2532	cvtres.exe
Token: SeSecurityPrivilege	2532	cvtres.exe
Token: SeTakeOwnershipPrivilege	2532	cvtres.exe
Token: SeLoadDriverPrivilege	2532	cvtres.exe
Token: SeSystemProfilePrivilege	2532	cvtres.exe
Token: SeSystemtimePrivilege	2532	cvtres.exe
Token: SeProfSingleProcessPrivilege	2532	cvtres.exe
Token: SeDebugPrivilege	2944	win.exe
Token: SeIncBasePriorityPrivilege	2532	cvtres.exe
Token: SeCreatePagefilePrivilege	2532	cvtres.exe
Token: SeBackupPrivilege	2532	cvtres.exe
Token: SeRestorePrivilege	2532	cvtres.exe
Token: SeShutdownPrivilege	2532	cvtres.exe
Token: SeDebugPrivilege	2532	cvtres.exe
Token: SeSystemEnvironmentPrivilege	2532	cvtres.exe
Token: SeChangeNotifyPrivilege	2532	cvtres.exe
Token: SeRemoteShutdownPrivilege	2532	cvtres.exe
Token: SeUndockPrivilege	2532	cvtres.exe
Token: SeManageVolumePrivilege	2532	cvtres.exe
Token: SeImpersonatePrivilege	2532	cvtres.exe
Token: SeCreateGlobalPrivilege	2532	cvtres.exe
Token: 33	2532	cvtres.exe
Token: 34	2532	cvtres.exe
Token: 35	2532	cvtres.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

cvtres.exe

pid	Process
2532	cvtres.exe

Suspicious use of WriteProcessMemory 44 IoCs

Processes:

f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exewin.execvtres.exe

description	pid	Process	procid_target
PID 2868 wrote to memory of 2944	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	28
PID 2868 wrote to memory of 2944	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	28
PID 2868 wrote to memory of 2944	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	28
PID 2868 wrote to memory of 2944	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	28
PID 2868 wrote to memory of 2648	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	29
PID 2868 wrote to memory of 2648	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	29
PID 2868 wrote to memory of 2648	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	29
PID 2868 wrote to memory of 2648	2868	f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe	29
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2944 wrote to memory of 2532	2944	win.exe	30
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31
PID 2532 wrote to memory of 2440	2532	cvtres.exe	31

C:\Users\Admin\AppData\Local\Temp\f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f46c01edc415cb7eac960368a1f1e2f2_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2868
- C:\Users\Admin\AppData\Local\Temp\win.exe
  "C:\Users\Admin\AppData\Local\Temp\win.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2944
- - C:\Users\Admin\AppData\Local\Temp\cvtres.exe
    C:\Users\Admin\AppData\Local\Temp\\cvtres.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2532
  - - C:\Windows\SysWOW64\notepad.exe
      notepad
      4⤵
      PID:2440
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 952
  2⤵
  PID:2648

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
C:\Users\Admin\AppData\Local\Temp\win.exe

Filesize
461KB

MD5
21a0d20762a478993864b9752cfafa9e

SHA1
6506bf4e74f215d468e7b458e48587b03cd6c28e

SHA256
3177a9d1e90a26c6c01990b6fbddf8a796af6d49009993990517908f58e30024

SHA512
135f80acebcb2c74ee81996718df83b5a4306b3657b146e011d7b66c85b4970a61270aab590f444785dad5c723da0559ed82a28869c62230ff3e3e53cf80006c

Download Submit
memory/2440-70-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/2440-41-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2532-38-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-89-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-88-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-87-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-71-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-72-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-31-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-30-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-36-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-86-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-34-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-37-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-39-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2532-85-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-84-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-83-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-82-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-81-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-74-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-80-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-76-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-79-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2532-78-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2648-77-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2648-21-0x00000000005E0000-0x00000000005E1000-memory.dmp

Filesize
4KB

Download
memory/2868-75-0x00000000008A0000-0x00000000008E0000-memory.dmp

Filesize
256KB

Download
memory/2868-73-0x00000000749A0000-0x0000000074F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2868-1-0x00000000749A0000-0x0000000074F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2868-2-0x00000000008A0000-0x00000000008E0000-memory.dmp

Filesize
256KB

Download
memory/2868-0-0x00000000749A0000-0x0000000074F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-15-0x00000000749A0000-0x0000000074F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-13-0x00000000749A0000-0x0000000074F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-43-0x00000000749A0000-0x0000000074F4B000-memory.dmp

Filesize
5.7MB

Download
memory/2944-14-0x0000000000B40000-0x0000000000B80000-memory.dmp

Filesize
256KB

Download