darkcomet | 596742e436c3a63ade42e1f91bb00364a21a3ed3f742122dbe0368280e8f02e9

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07-12-2024 21:20

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe
Size

1.0MB
MD5

d3aa661e379ab45d42e977fe6440320d
SHA1

d3033071d5e7e099eb1292ac1c29a1ccf9ddc29d
SHA256

596742e436c3a63ade42e1f91bb00364a21a3ed3f742122dbe0368280e8f02e9
SHA512

2bb2a2678dfd01b47c9617f9d72e9eba589fbebdc074019e0e8776f6575441ca2971252df447648f2c423a0630c49a19a4852e430288e20e763f12cf97ae83a1
SSDEEP

24576:n+t551zGlKYkNmyASIHZmHmHMcbG3tbxp1aL9g:n+t55dGimyASIoHmsfbxpE

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

68.194.136.134:1604

Mutex

DC_MUTEX-G293ZDW

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
qG1EhGAmh8HK
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

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\\Documents\\MSDCSC\\msdcsc.exe"	WinSec.exe

Executes dropped EXE 3 IoCs

pid	Process
2576	WinSec.exe
2752	msdcsc.exe
2872	WinSec.exe

Loads dropped DLL 3 IoCs

pid	Process
3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe
2576	WinSec.exe
2576	WinSec.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	WinSec.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 2752 set thread context of 2872	2752	msdcsc.exe	32

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 3 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	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WinSec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2576	WinSec.exe
Token: SeSecurityPrivilege	2576	WinSec.exe
Token: SeTakeOwnershipPrivilege	2576	WinSec.exe
Token: SeLoadDriverPrivilege	2576	WinSec.exe
Token: SeSystemProfilePrivilege	2576	WinSec.exe
Token: SeSystemtimePrivilege	2576	WinSec.exe
Token: SeProfSingleProcessPrivilege	2576	WinSec.exe
Token: SeIncBasePriorityPrivilege	2576	WinSec.exe
Token: SeCreatePagefilePrivilege	2576	WinSec.exe
Token: SeBackupPrivilege	2576	WinSec.exe
Token: SeRestorePrivilege	2576	WinSec.exe
Token: SeShutdownPrivilege	2576	WinSec.exe
Token: SeDebugPrivilege	2576	WinSec.exe
Token: SeSystemEnvironmentPrivilege	2576	WinSec.exe
Token: SeChangeNotifyPrivilege	2576	WinSec.exe
Token: SeRemoteShutdownPrivilege	2576	WinSec.exe
Token: SeUndockPrivilege	2576	WinSec.exe
Token: SeManageVolumePrivilege	2576	WinSec.exe
Token: SeImpersonatePrivilege	2576	WinSec.exe
Token: SeCreateGlobalPrivilege	2576	WinSec.exe
Token: 33	2576	WinSec.exe
Token: 34	2576	WinSec.exe
Token: 35	2576	WinSec.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 3032 wrote to memory of 2576	3032	d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe	30
PID 2576 wrote to memory of 2752	2576	WinSec.exe	31
PID 2576 wrote to memory of 2752	2576	WinSec.exe	31
PID 2576 wrote to memory of 2752	2576	WinSec.exe	31
PID 2576 wrote to memory of 2752	2576	WinSec.exe	31
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32
PID 2752 wrote to memory of 2872	2752	msdcsc.exe	32

C:\Users\Admin\AppData\Local\Temp\d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d3aa661e379ab45d42e977fe6440320d_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Roaming\WinSec.exe
  C:\Users\Admin\AppData\Roaming\WinSec.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:2576
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2752
  - - C:\Users\Admin\AppData\Roaming\WinSec.exe
      C:\Users\Admin\AppData\Roaming\WinSec.exe
      4⤵
      Executes dropped EXE
      PID:2872

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

\Users\Admin\AppData\Roaming\WinSec.exe

Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1.0MB

MD5
d3aa661e379ab45d42e977fe6440320d

SHA1
d3033071d5e7e099eb1292ac1c29a1ccf9ddc29d

SHA256
596742e436c3a63ade42e1f91bb00364a21a3ed3f742122dbe0368280e8f02e9

SHA512
2bb2a2678dfd01b47c9617f9d72e9eba589fbebdc074019e0e8776f6575441ca2971252df447648f2c423a0630c49a19a4852e430288e20e763f12cf97ae83a1

Download Submit
memory/2576-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-19-0x0000000000010000-0x0000000000011000-memory.dmp

Filesize
4KB

Download
memory/2576-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2576-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3032-24-0x00000000743E0000-0x000000007498B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-2-0x00000000743E0000-0x000000007498B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-1-0x00000000743E0000-0x000000007498B000-memory.dmp

Filesize
5.7MB

Download
memory/3032-0-0x00000000743E1000-0x00000000743E2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads