darkcomet | c49cd336f7cd8c89f909e1098fdb14890927e6933bf42d644cf71d847353ff31

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22/01/2025, 10:42

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General

Target

JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
Size

344KB
MD5

0ce4d94e09481a2748fe385b26b65a2a
SHA1

d8caab05ac182e6966d3d71e1a66cb2ff35056ed
SHA256

c49cd336f7cd8c89f909e1098fdb14890927e6933bf42d644cf71d847353ff31
SHA512

ca947840c1d96e9b15a213c8d94312df9281edbddd4493f9e791938cbb0d643454996f7c09d325ce47304765c84bd34945500a4af8534e4a2ced07fec001716e
SSDEEP

6144:gr19WJoBnWe4e13GTBCn47vUxHSt+n7eS+M7+auwWbgZQi5CdGEKRpMN659w1V:grvWJEt33IBC472yt+SE+auVbmCdGNRe

Score

10^/10

darkcomet discovery persistence rat trojan upx

Malware Config

Signatures

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartUp Name = "C:\\Users\\Admin\\AppData\\Roaming\\GMStxjXJjspZMmT.exe"	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 628 set thread context of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 3024 set thread context of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/8-4-0x0000000013140000-0x00000000131FB000-memory.dmp	upx
behavioral2/memory/8-5-0x0000000013140000-0x00000000131FB000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2704	8	WerFault.exe	83
816	2376	WerFault.exe	89

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	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
Token: SeDebugPrivilege	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 8	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	83
PID 628 wrote to memory of 3024	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	87
PID 628 wrote to memory of 3024	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	87
PID 628 wrote to memory of 3024	628	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	87
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89
PID 3024 wrote to memory of 2376	3024	JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe"
1⤵
- Checks computer location settings
- 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:628
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  PID:8
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 8 -s 428
    3⤵
    - Program crash
    PID:2704
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0ce4d94e09481a2748fe385b26b65a2a.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3024
- - C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2376
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 424
      4⤵
      Program crash
      PID:816

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 8 -ip 8
1⤵
PID:208

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2376 -ip 2376
1⤵
PID:3828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

Query Registry

T1012

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\Roaming\GMStxjXJjspZMmT.exe

Filesize
344KB

MD5
0ce4d94e09481a2748fe385b26b65a2a

SHA1
d8caab05ac182e6966d3d71e1a66cb2ff35056ed

SHA256
c49cd336f7cd8c89f909e1098fdb14890927e6933bf42d644cf71d847353ff31

SHA512
ca947840c1d96e9b15a213c8d94312df9281edbddd4493f9e791938cbb0d643454996f7c09d325ce47304765c84bd34945500a4af8534e4a2ced07fec001716e

Download Submit
memory/8-4-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/8-5-0x0000000013140000-0x00000000131FB000-memory.dmp

Filesize
748KB

Download
memory/628-12-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/628-2-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/628-1-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/628-0-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/628-13-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/628-14-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3024-6-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/3024-7-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3024-10-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/3024-15-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/3024-16-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download