darkcomet | 0f9431f3fd1305f615117101a868f325290e8047ff0c0d327a42e0038a9d1ea0

General

Target

JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe
Size

958KB
MD5

7670fc6a46f0e8cb81d361735c16a869
SHA1

9636394e37d39ab897fc8fd48e271c3356a77412
SHA256

0f9431f3fd1305f615117101a868f325290e8047ff0c0d327a42e0038a9d1ea0
SHA512

4e6823730a3070e90e4b07477366305f92a818bd179c935bc576b7e73d83759b4d2c2e32132c6f98dbc70da7680c056812f05b8b180b7e06fe37fc5dbf32e770
SSDEEP

24576:g2B80aunKdaqBYz4dJz9a8fP1oNV9FhwjE:gmKaqv9a8fpj

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

Mutex

DC_MUTEX-SPN1VAS

Attributes

gencode
1e2CggU3YNVT
install
false
offline_keylogger
true
password
ujeucm6296
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-869607583-2483572573-2297019986-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\%APPDATA% = "C:\\Users\\Admin\\AppData\\Local\\Temp\\winupd.exe"	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1128 set thread context of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88

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_7670fc6a46f0e8cb81d361735c16a869.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3128	vbc.exe
Token: SeSecurityPrivilege	3128	vbc.exe
Token: SeTakeOwnershipPrivilege	3128	vbc.exe
Token: SeLoadDriverPrivilege	3128	vbc.exe
Token: SeSystemProfilePrivilege	3128	vbc.exe
Token: SeSystemtimePrivilege	3128	vbc.exe
Token: SeProfSingleProcessPrivilege	3128	vbc.exe
Token: SeIncBasePriorityPrivilege	3128	vbc.exe
Token: SeCreatePagefilePrivilege	3128	vbc.exe
Token: SeBackupPrivilege	3128	vbc.exe
Token: SeRestorePrivilege	3128	vbc.exe
Token: SeShutdownPrivilege	3128	vbc.exe
Token: SeDebugPrivilege	3128	vbc.exe
Token: SeSystemEnvironmentPrivilege	3128	vbc.exe
Token: SeChangeNotifyPrivilege	3128	vbc.exe
Token: SeRemoteShutdownPrivilege	3128	vbc.exe
Token: SeUndockPrivilege	3128	vbc.exe
Token: SeManageVolumePrivilege	3128	vbc.exe
Token: SeImpersonatePrivilege	3128	vbc.exe
Token: SeCreateGlobalPrivilege	3128	vbc.exe
Token: 33	3128	vbc.exe
Token: 34	3128	vbc.exe
Token: 35	3128	vbc.exe
Token: 36	3128	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3128	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88
PID 1128 wrote to memory of 3128	1128	JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7670fc6a46f0e8cb81d361735c16a869.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1128
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3128

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

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 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/1128-10-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/1128-1-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/1128-2-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/1128-0-0x00000000754C2000-0x00000000754C3000-memory.dmp

Filesize
4KB

Download
memory/3128-12-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-13-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-9-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-4-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-3-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-11-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-8-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-7-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-14-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-20-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-22-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-25-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-26-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download
memory/3128-27-0x0000000000400000-0x00000000004B0000-memory.dmp

Filesize
704KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads