darkcomet | 73a7ae02015a58839a5ac701a2728e171ebf0c97d4ff02ae981069477acc4db8

General

Target

e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe
Size

958KB
MD5

e4d8070ed83cb69d589510508b679808
SHA1

32d001ffb32703729ac94389ab945a7ba78cd76e
SHA256

73a7ae02015a58839a5ac701a2728e171ebf0c97d4ff02ae981069477acc4db8
SHA512

01c8e034f6b3620143dd42c4969feeafca79a0817b4db90698726f0e1d9cec70f32a8ae6a394184942982d05a008d7a64594d619ade22a19c102e807632ba3b7
SSDEEP

12288:coWRXLoAB7iJUTobcwdJim50xewrFiZ5nZY:0EANiJOPOmAwy5ny

Score

10^/10

darkcomet acesso discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Acesso

C2

certinhoup.zapto.org:1604

Mutex

DC_MUTEX-0VFVA4D

Attributes

gencode
TbwsH2VQ0ZDD
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

Executes dropped EXE 1 IoCs

pid	Process
2788	system.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Live = "C:\\Users\\Admin\\AppData\\Roaming\\Live.exe"	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe

Drops autorun.inf file 1 TTPs 2 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

description	ioc	Process
File created	C:\autorun.inf	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe
File opened for modification	C:\autorun.inf	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1488 set thread context of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85

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	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe
1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2788	system.exe
Token: SeSecurityPrivilege	2788	system.exe
Token: SeTakeOwnershipPrivilege	2788	system.exe
Token: SeLoadDriverPrivilege	2788	system.exe
Token: SeSystemProfilePrivilege	2788	system.exe
Token: SeSystemtimePrivilege	2788	system.exe
Token: SeProfSingleProcessPrivilege	2788	system.exe
Token: SeIncBasePriorityPrivilege	2788	system.exe
Token: SeCreatePagefilePrivilege	2788	system.exe
Token: SeBackupPrivilege	2788	system.exe
Token: SeRestorePrivilege	2788	system.exe
Token: SeShutdownPrivilege	2788	system.exe
Token: SeDebugPrivilege	2788	system.exe
Token: SeSystemEnvironmentPrivilege	2788	system.exe
Token: SeChangeNotifyPrivilege	2788	system.exe
Token: SeRemoteShutdownPrivilege	2788	system.exe
Token: SeUndockPrivilege	2788	system.exe
Token: SeManageVolumePrivilege	2788	system.exe
Token: SeImpersonatePrivilege	2788	system.exe
Token: SeCreateGlobalPrivilege	2788	system.exe
Token: 33	2788	system.exe
Token: 34	2788	system.exe
Token: 35	2788	system.exe
Token: 36	2788	system.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2788	system.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85
PID 1488 wrote to memory of 2788	1488	e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e4d8070ed83cb69d589510508b679808_JaffaCakes118.exe"
1⤵
- Adds Run key to start application
- Drops autorun.inf file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1488
- C:\Users\Admin\AppData\Local\Temp\AppLaunch\system.exe
  C:\Users\Admin\AppData\Local\Temp\\AppLaunch\system.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AppLaunch\system.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1488-22-0x0000000074C72000-0x0000000074C73000-memory.dmp

Filesize
4KB

Download
memory/1488-1-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/1488-2-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/1488-0-0x0000000074C72000-0x0000000074C73000-memory.dmp

Filesize
4KB

Download
memory/1488-24-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/1488-23-0x0000000074C70000-0x0000000075221000-memory.dmp

Filesize
5.7MB

Download
memory/2788-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-21-0x0000000002410000-0x0000000002411000-memory.dmp

Filesize
4KB

Download
memory/2788-30-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-37-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-38-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-39-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-40-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2788-41-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads