darkcomet | 6e9f429578e917fc61bf2a00f7c66d5742fa5ace0a34a6a05cd7380dba890f1a

Analysis

max time kernel
94s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-11-2024 12:20

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General

Target

a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe
Size

1.3MB
MD5

a7d36192fa60ef5da7eda74fdc005fcf
SHA1

91fe5e8362a4db0b7c57bf3ccabdecf11c44c110
SHA256

6e9f429578e917fc61bf2a00f7c66d5742fa5ace0a34a6a05cd7380dba890f1a
SHA512

d16a1d60b14f8502555f88e95ef49c3ab4d384d1d1472c333143430cb101a222db9ad5c6a6d1e571fd5079db3d863c8f8e7f56d42bdef3cdddd21539ab102912
SSDEEP

12288:lun+lYhAKRGkxPEknV3OW/+7urXSJP5ATY9cMUftoYvhMlnW1Asnu9orv+yJn81i:lulnyAKQlmofX77a1JstbNld

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Testing = "C:\\ProgramData\\Svg64.exe"	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3488 set thread context of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	1428	WerFault.exe	82

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	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82
PID 3488 wrote to memory of 1428	3488	a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe	82

C:\Users\Admin\AppData\Local\Temp\a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a7d36192fa60ef5da7eda74fdc005fcf_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3488
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:1428
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1428 -s 12
    3⤵
    - Program crash
    PID:2068

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1428 -ip 1428
1⤵
PID:3740

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1428-3-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download
memory/3488-0-0x0000000075582000-0x0000000075583000-memory.dmp

Filesize
4KB

Download
memory/3488-1-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download
memory/3488-2-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download
memory/3488-6-0x0000000075580000-0x0000000075B31000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads