darkcomet | 8673aa86842c751576ee32134be7a69f183e03b7d1aaba21e59210324701b7f0

General

Target

JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
Size

701KB
MD5

4055b89432a840cfef231f832a440cc0
SHA1

ae23a8c8399ff0f712001efce7fe86fd2ec1ee80
SHA256

8673aa86842c751576ee32134be7a69f183e03b7d1aaba21e59210324701b7f0
SHA512

b9ec8f67e9a7a520060a7116d05e3763f7490eb1f180316d7a10128023ae82c7620716a987fb8f6dd01639e9317c2db6fa5d81da143ef99fddce59e1e531c570
SSDEEP

12288:/pWWs+DC/OQj6UINMCJZulbF5yc9CYr0jlWvJWQe5zCIWECSZP:oWRDWPp99n0jlQJje5OIWZSZP

Score

10^/10

darkcomet guest16 discovery rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

192.168.1.10:1604

Mutex

DC_MUTEX-9WVWWSG

Attributes

gencode
FTExpWiTDMvY
install
false
offline_keylogger
true
persistence
false

rc4.plain

Signatures

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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3380 set thread context of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85

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_4055b89432a840cfef231f832a440cc0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cvtres.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
Token: SeIncreaseQuotaPrivilege	3420	cvtres.exe
Token: SeSecurityPrivilege	3420	cvtres.exe
Token: SeTakeOwnershipPrivilege	3420	cvtres.exe
Token: SeLoadDriverPrivilege	3420	cvtres.exe
Token: SeSystemProfilePrivilege	3420	cvtres.exe
Token: SeSystemtimePrivilege	3420	cvtres.exe
Token: SeProfSingleProcessPrivilege	3420	cvtres.exe
Token: SeIncBasePriorityPrivilege	3420	cvtres.exe
Token: SeCreatePagefilePrivilege	3420	cvtres.exe
Token: SeBackupPrivilege	3420	cvtres.exe
Token: SeRestorePrivilege	3420	cvtres.exe
Token: SeShutdownPrivilege	3420	cvtres.exe
Token: SeDebugPrivilege	3420	cvtres.exe
Token: SeSystemEnvironmentPrivilege	3420	cvtres.exe
Token: SeChangeNotifyPrivilege	3420	cvtres.exe
Token: SeRemoteShutdownPrivilege	3420	cvtres.exe
Token: SeUndockPrivilege	3420	cvtres.exe
Token: SeManageVolumePrivilege	3420	cvtres.exe
Token: SeImpersonatePrivilege	3420	cvtres.exe
Token: SeCreateGlobalPrivilege	3420	cvtres.exe
Token: 33	3420	cvtres.exe
Token: 34	3420	cvtres.exe
Token: 35	3420	cvtres.exe
Token: 36	3420	cvtres.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3420	cvtres.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85
PID 3380 wrote to memory of 3420	3380	JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4055b89432a840cfef231f832a440cc0.exe"
1⤵
- Drops file in Drivers directory
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3380
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3420

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3380-8-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3380-1-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3380-2-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3380-0-0x0000000074F72000-0x0000000074F73000-memory.dmp

Filesize
4KB

Download
memory/3420-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-5-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-4-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-13-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/3420-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

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