darkcomet | 38ecd893e32b6fcfff524f8ab2dc952ef1d7ecf9124babade5321aa29c15ab37

General

Target

JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe
Size

688KB
MD5

f13e447b8cb18af6955efa0954a34c7e
SHA1

c3e17a3773c31dfbdcebbdfdb2cda5e00ab424b8
SHA256

38ecd893e32b6fcfff524f8ab2dc952ef1d7ecf9124babade5321aa29c15ab37
SHA512

22bc64c826f6a9ee3c0bfe3afd1aa04d1a589a6f2b9584ac4b194ba2559cd3bfd0c9200a6330566ba529679de4a6f0d2122985edd4830489fafccf03356aa80c
SSDEEP

12288:63xq6RzaP1mBH1x/mTjTPjBbJLIhRyoYv/ji+bnj3Dz9ceUMK/f+qdXfcviU8:6BqCE1mjxuTjrjTUh8xvLLbhRqeqdXfD

Score

10^/10

darkcomet discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

rc4.plain

Signatures

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

Downloads MZ/PE file 1 IoCs

flow	pid	Process
28	552	Process not Found

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2972 set thread context of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	4028	WerFault.exe	88

System Location Discovery: System Language Discovery 1 TTPs 2 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_f13e447b8cb18af6955efa0954a34c7e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4468	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88
PID 2972 wrote to memory of 4028	2972	JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_f13e447b8cb18af6955efa0954a34c7e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2972
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:4028
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 12
    3⤵
    - Program crash
    PID:2328

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4028 -ip 4028
1⤵
PID:1900

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODIxNjkiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1MzE4NTEwMTAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1NDc3NzQzNDY0Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4468

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Internet Connection Discovery

1

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2972-0-0x0000000074752000-0x0000000074753000-memory.dmp

Filesize
4KB

Download
memory/2972-1-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/2972-2-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/2972-5-0x0000000074750000-0x0000000074D01000-memory.dmp

Filesize
5.7MB

Download
memory/4028-3-0x0000000013140000-0x00000000131F6000-memory.dmp

Filesize
728KB

Download

Analysis

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