darkcomet | df2f1b608519349912a341a7736c4d2cf57841a96561ee9ac6d822e654b24ef8

General

Target

e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe
Size

356KB
MD5

e27079805806b6b5781cc5c5871baac5
SHA1

944d6c06b3b90ffbc673dec864383213192e75ff
SHA256

df2f1b608519349912a341a7736c4d2cf57841a96561ee9ac6d822e654b24ef8
SHA512

9de3a66e89828277b1c530b7eaf2f86f88a6ff8435f91837411563e015dc850f6ce4cb935232e687a2f5d81728081b938158aaf4c2e82cd8f8de40da25f5fb9e
SSDEEP

6144:cVT0ojk1/FLzRjI9pCoHiK+zYC0EiQ86JsAbvzsJV/FT41MggwU7wE:o0ojy/BRSpM2zb6qjVhxx9

Score

10^/10

darkcomet minicraft discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

MINICRAFT

C2

95.25.114.135:1604

Mutex

DC_MUTEX-BYZQF92

Attributes

gencode
yGHj6XNKu577
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2964	4IT APASNI.exe

UPX packed file 7 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000b000000023b73-4.dat	upx
behavioral2/memory/2964-12-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2964-14-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2964-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2964-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2964-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2964-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

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	4IT APASNI.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2964	4IT APASNI.exe
Token: SeSecurityPrivilege	2964	4IT APASNI.exe
Token: SeTakeOwnershipPrivilege	2964	4IT APASNI.exe
Token: SeLoadDriverPrivilege	2964	4IT APASNI.exe
Token: SeSystemProfilePrivilege	2964	4IT APASNI.exe
Token: SeSystemtimePrivilege	2964	4IT APASNI.exe
Token: SeProfSingleProcessPrivilege	2964	4IT APASNI.exe
Token: SeIncBasePriorityPrivilege	2964	4IT APASNI.exe
Token: SeCreatePagefilePrivilege	2964	4IT APASNI.exe
Token: SeBackupPrivilege	2964	4IT APASNI.exe
Token: SeRestorePrivilege	2964	4IT APASNI.exe
Token: SeShutdownPrivilege	2964	4IT APASNI.exe
Token: SeDebugPrivilege	2964	4IT APASNI.exe
Token: SeSystemEnvironmentPrivilege	2964	4IT APASNI.exe
Token: SeChangeNotifyPrivilege	2964	4IT APASNI.exe
Token: SeRemoteShutdownPrivilege	2964	4IT APASNI.exe
Token: SeUndockPrivilege	2964	4IT APASNI.exe
Token: SeManageVolumePrivilege	2964	4IT APASNI.exe
Token: SeImpersonatePrivilege	2964	4IT APASNI.exe
Token: SeCreateGlobalPrivilege	2964	4IT APASNI.exe
Token: 33	2964	4IT APASNI.exe
Token: 34	2964	4IT APASNI.exe
Token: 35	2964	4IT APASNI.exe
Token: 36	2964	4IT APASNI.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2964	4IT APASNI.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 2964	4316	e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe	84
PID 4316 wrote to memory of 2964	4316	e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe	84
PID 4316 wrote to memory of 2964	4316	e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe	84

C:\Users\Admin\AppData\Local\Temp\e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e27079805806b6b5781cc5c5871baac5_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Users\Admin\AppData\Local\Temp\4IT APASNI.exe
  "C:\Users\Admin\AppData\Local\Temp\4IT APASNI.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\4IT APASNI.exe

Filesize
251KB

MD5
525cffafcb2d955029e0f7be0d7511f5

SHA1
f192087b430d2fa11c14eae75c42c9c0f377fa27

SHA256
f405dd472cfa0753b86c05b5e9f900525bb3df680bbd81bbdb155ecc34808094

SHA512
884462201a40c94b4f74086787a9f7c196d3ab91e56e3275460ea20cfc2ab13e1d708917f9a2eccc5f70e84c51a550f0014af6f9343020d498cff86cb9233217

Download Submit
memory/2964-12-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2964-13-0x0000000000B10000-0x0000000000B11000-memory.dmp

Filesize
4KB

Download
memory/2964-14-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2964-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2964-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2964-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2964-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

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