darkcomet | 7fbe87545eef49da0df850719536bb30b196f7ad2d5a34ee795c01381ffda569

General

Target

5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe
Size

1.3MB
MD5

5d06b31229aa680e234485c9fc4c1635
SHA1

571f4338a07a2c20c26dbdc66792675b649b1e24
SHA256

7fbe87545eef49da0df850719536bb30b196f7ad2d5a34ee795c01381ffda569
SHA512

0469e235a13691ff5a058469f04085e5410a53ed596b060ebd17dd6aba45be2845e94ab1d75d85e0411c908ab50e1dfbe550b4baae68e96e8fda9b1f8739ec3f
SSDEEP

12288:2vcXFFMTbLXRF7gmk/waXolVD10GP0QKlOKwEpC10GS1pje05GvExJp5LNBNFPUW:2vK/MTnhtLFaXUVDmoKlP1jvMS1NCI7

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

Drops startup file 2 IoCs

Processes:

5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juidyd.exe	5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juidyd.exe	5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

juidyd.exejuidyd.exe

pid	Process
2312	juidyd.exe
396	juidyd.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

juidyd.exe

description	pid	Process	procid_target
PID 2312 set thread context of 396	2312	juidyd.exe	88

UPX packed file 11 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/396-12-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-9-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-13-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-15-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-14-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-16-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-19-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-18-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-17-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-20-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral2/memory/396-23-0x0000000000400000-0x00000000004B8000-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 3 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

Processes:

juidyd.exe5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exejuidyd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	juidyd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	juidyd.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

juidyd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	396	juidyd.exe
Token: SeSecurityPrivilege	396	juidyd.exe
Token: SeTakeOwnershipPrivilege	396	juidyd.exe
Token: SeLoadDriverPrivilege	396	juidyd.exe
Token: SeSystemProfilePrivilege	396	juidyd.exe
Token: SeSystemtimePrivilege	396	juidyd.exe
Token: SeProfSingleProcessPrivilege	396	juidyd.exe
Token: SeIncBasePriorityPrivilege	396	juidyd.exe
Token: SeCreatePagefilePrivilege	396	juidyd.exe
Token: SeBackupPrivilege	396	juidyd.exe
Token: SeRestorePrivilege	396	juidyd.exe
Token: SeShutdownPrivilege	396	juidyd.exe
Token: SeDebugPrivilege	396	juidyd.exe
Token: SeSystemEnvironmentPrivilege	396	juidyd.exe
Token: SeChangeNotifyPrivilege	396	juidyd.exe
Token: SeRemoteShutdownPrivilege	396	juidyd.exe
Token: SeUndockPrivilege	396	juidyd.exe
Token: SeManageVolumePrivilege	396	juidyd.exe
Token: SeImpersonatePrivilege	396	juidyd.exe
Token: SeCreateGlobalPrivilege	396	juidyd.exe
Token: 33	396	juidyd.exe
Token: 34	396	juidyd.exe
Token: 35	396	juidyd.exe
Token: 36	396	juidyd.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exejuidyd.exejuidyd.exe

pid	Process
3692	5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe
2312	juidyd.exe
396	juidyd.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exejuidyd.exe

description	pid	Process	procid_target
PID 3692 wrote to memory of 2312	3692	5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe	87
PID 3692 wrote to memory of 2312	3692	5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe	87
PID 3692 wrote to memory of 2312	3692	5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe	87
PID 2312 wrote to memory of 396	2312	juidyd.exe	88
PID 2312 wrote to memory of 396	2312	juidyd.exe	88
PID 2312 wrote to memory of 396	2312	juidyd.exe	88
PID 2312 wrote to memory of 396	2312	juidyd.exe	88
PID 2312 wrote to memory of 396	2312	juidyd.exe	88
PID 2312 wrote to memory of 396	2312	juidyd.exe	88
PID 2312 wrote to memory of 396	2312	juidyd.exe	88
PID 2312 wrote to memory of 396	2312	juidyd.exe	88

C:\Users\Admin\AppData\Local\Temp\5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5d06b31229aa680e234485c9fc4c1635_JaffaCakes118.exe"
1⤵
- Drops startup file
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juidyd.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juidyd.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juidyd.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juidyd.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of SetWindowsHookEx
    PID:396

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\juidyd.exe

Filesize
1.3MB

MD5
5d06b31229aa680e234485c9fc4c1635

SHA1
571f4338a07a2c20c26dbdc66792675b649b1e24

SHA256
7fbe87545eef49da0df850719536bb30b196f7ad2d5a34ee795c01381ffda569

SHA512
0469e235a13691ff5a058469f04085e5410a53ed596b060ebd17dd6aba45be2845e94ab1d75d85e0411c908ab50e1dfbe550b4baae68e96e8fda9b1f8739ec3f

Download Submit
memory/396-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-13-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-15-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-14-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-16-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-19-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-18-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-17-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-20-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/396-23-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads