darkcomet | 32e70ee65b4b34e3492d46144d16e4f4944d671da146a398b7df244241978410

General

Target

a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe
Size

536KB
MD5

a567e01530357677c5f137e2caaa081d
SHA1

ad3e9d901430af750ae5638707d362b8a8eb8392
SHA256

32e70ee65b4b34e3492d46144d16e4f4944d671da146a398b7df244241978410
SHA512

82098572bd67d3e943d119840beb6b451a8db3c4c139cca59259411fc3eeac70b01771d2bc9154c659ce155505686d4679307f4063d02c77d0a0bf862fbb52d0
SSDEEP

12288:nHA9mUcrY8driIQHG2D1axkPKdMSgbVSOdcnVoWDj:nHA9FWY8BiIwG2BJFSPloWDj

Score

10^/10

darkcomet discovery rat trojan upx

Malware Config

Signatures

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

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4548-3-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4548-4-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4548-6-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4548-8-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4548-7-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4548-11-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/4548-10-0x0000000000400000-0x00000000004B8000-memory.dmp	upx

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3404 set thread context of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83

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	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4548	AppLaunch.exe
Token: SeSecurityPrivilege	4548	AppLaunch.exe
Token: SeTakeOwnershipPrivilege	4548	AppLaunch.exe
Token: SeLoadDriverPrivilege	4548	AppLaunch.exe
Token: SeSystemProfilePrivilege	4548	AppLaunch.exe
Token: SeSystemtimePrivilege	4548	AppLaunch.exe
Token: SeProfSingleProcessPrivilege	4548	AppLaunch.exe
Token: SeIncBasePriorityPrivilege	4548	AppLaunch.exe
Token: SeCreatePagefilePrivilege	4548	AppLaunch.exe
Token: SeBackupPrivilege	4548	AppLaunch.exe
Token: SeRestorePrivilege	4548	AppLaunch.exe
Token: SeShutdownPrivilege	4548	AppLaunch.exe
Token: SeDebugPrivilege	4548	AppLaunch.exe
Token: SeSystemEnvironmentPrivilege	4548	AppLaunch.exe
Token: SeChangeNotifyPrivilege	4548	AppLaunch.exe
Token: SeRemoteShutdownPrivilege	4548	AppLaunch.exe
Token: SeUndockPrivilege	4548	AppLaunch.exe
Token: SeManageVolumePrivilege	4548	AppLaunch.exe
Token: SeImpersonatePrivilege	4548	AppLaunch.exe
Token: SeCreateGlobalPrivilege	4548	AppLaunch.exe
Token: 33	4548	AppLaunch.exe
Token: 34	4548	AppLaunch.exe
Token: 35	4548	AppLaunch.exe
Token: 36	4548	AppLaunch.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83
PID 3404 wrote to memory of 4548	3404	a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe	83

C:\Users\Admin\AppData\Local\Temp\a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a567e01530357677c5f137e2caaa081d_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3404
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\AppLaunch.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4548

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/3404-0-0x0000000074732000-0x0000000074733000-memory.dmp

Filesize
4KB

Download
memory/3404-1-0x0000000074730000-0x0000000074CE1000-memory.dmp

Filesize
5.7MB

Download
memory/3404-2-0x0000000074730000-0x0000000074CE1000-memory.dmp

Filesize
5.7MB

Download
memory/3404-12-0x0000000074730000-0x0000000074CE1000-memory.dmp

Filesize
5.7MB

Download
memory/4548-3-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4548-4-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4548-6-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4548-8-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4548-9-0x0000000000820000-0x0000000000821000-memory.dmp

Filesize
4KB

Download
memory/4548-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4548-11-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/4548-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

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