darkcomet | 74782a5a2f61e2c17ce38d42e181263b22945ec1a6d475804d775ef7a240e738

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14/10/2024, 16:21

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General

Target

43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe
Size

938KB
MD5

43136785ec2d4dd0a1cd8e8e85503af9
SHA1

4299e5e18caaf89f763ef9a8266abec4b6cb80a8
SHA256

74782a5a2f61e2c17ce38d42e181263b22945ec1a6d475804d775ef7a240e738
SHA512

8fe08134759d5f08c73c6c554e95c18ccef8426a30ea30a466c6207856293358aca17db3ce2f7c0737dc12791b62894b6a76029443003f0b712e5d85e0b9a993
SSDEEP

24576:NBaIIV6Jyt2HVkdro4M3gx7fMxtfAqNn:XJG2ian

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat 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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3720 set thread context of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4100	1140	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 1 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	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3720 wrote to memory of 2284	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	87
PID 3720 wrote to memory of 2284	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	87
PID 3720 wrote to memory of 2284	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	87
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88
PID 3720 wrote to memory of 1140	3720	43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe	88

C:\Users\Admin\AppData\Local\Temp\43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\43136785ec2d4dd0a1cd8e8e85503af9_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3720
- C:\Windows\SysWOW64\svchost.exe
  "C:\Windows\System32\svchost.exe"
  2⤵
  PID:2284
- C:\Windows\SysWOW64\svchost.exe
  C:\Windows\System32\svchost.exe
  2⤵
  PID:1140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1140 -s 12
    3⤵
    - Program crash
    PID:4100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1140 -ip 1140
1⤵
PID:3460

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/1140-9-0x0000000013140000-0x00000000131FE000-memory.dmp

Filesize
760KB

Download
memory/1140-10-0x0000000013140000-0x00000000131FE000-memory.dmp

Filesize
760KB

Download
memory/1140-7-0x0000000013140000-0x00000000131FE000-memory.dmp

Filesize
760KB

Download
memory/1140-5-0x0000000013140000-0x00000000131FE000-memory.dmp

Filesize
760KB

Download
memory/1140-4-0x0000000013140000-0x00000000131FE000-memory.dmp

Filesize
760KB

Download
memory/1140-3-0x0000000013140000-0x00000000131FE000-memory.dmp

Filesize
760KB

Download
memory/3720-0-0x00000000753B2000-0x00000000753B3000-memory.dmp

Filesize
4KB

Download
memory/3720-1-0x00000000753B0000-0x0000000075961000-memory.dmp

Filesize
5.7MB

Download
memory/3720-2-0x00000000753B0000-0x0000000075961000-memory.dmp

Filesize
5.7MB

Download
memory/3720-13-0x00000000753B0000-0x0000000075961000-memory.dmp

Filesize
5.7MB

Download