darkcomet | 18fe2153f5dc3550d3e8e4d6196cc2379df48b40b0573b2e8361a0163c736005

General

Target

JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe
Size

1.1MB
MD5

69cc617fef29c0a1e882cc41bb193548
SHA1

9c33a92364491d9604a66362c7ae20299b3a7cdf
SHA256

18fe2153f5dc3550d3e8e4d6196cc2379df48b40b0573b2e8361a0163c736005
SHA512

18885e876690c1e61eef968ddbb954e6d597f70d11caad7f7dea268212d9f0ec30b192559e13989525977e63112634a361a71b9504524c835049ecce07ee4c42
SSDEEP

12288:kpU9b5pYXaiD893Y3GliEB+VF1R89Q9Xxr/v/tF0ZS/iGDnl724MIc5JOa0EFmDj:N9b43C3laV1n7qeryMsRVWQf7QTr

Score

10^/10

darkcomet cyber discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Cyber

C2

bll3bll3.no-ip.biz:1604

Mutex

DC_MUTEX-0VT3WQP

Attributes

gencode
4z0NyKX3sBWH
install
false
offline_keylogger
true
password
123456
persistence
false

Signatures

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

Windows security bypass 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	vbc.exe

Executes dropped EXE 1 IoCs

pid	Process
1256	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Windows security modification 2 TTPs 1 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	vbc.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-1-5-21-3227495264-2217614367-4027411560-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe"	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4660 set thread context of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82

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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1256	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1256	vbc.exe
Token: SeSecurityPrivilege	1256	vbc.exe
Token: SeTakeOwnershipPrivilege	1256	vbc.exe
Token: SeLoadDriverPrivilege	1256	vbc.exe
Token: SeSystemProfilePrivilege	1256	vbc.exe
Token: SeSystemtimePrivilege	1256	vbc.exe
Token: SeProfSingleProcessPrivilege	1256	vbc.exe
Token: SeIncBasePriorityPrivilege	1256	vbc.exe
Token: SeCreatePagefilePrivilege	1256	vbc.exe
Token: SeBackupPrivilege	1256	vbc.exe
Token: SeRestorePrivilege	1256	vbc.exe
Token: SeShutdownPrivilege	1256	vbc.exe
Token: SeDebugPrivilege	1256	vbc.exe
Token: SeSystemEnvironmentPrivilege	1256	vbc.exe
Token: SeChangeNotifyPrivilege	1256	vbc.exe
Token: SeRemoteShutdownPrivilege	1256	vbc.exe
Token: SeUndockPrivilege	1256	vbc.exe
Token: SeManageVolumePrivilege	1256	vbc.exe
Token: SeImpersonatePrivilege	1256	vbc.exe
Token: SeCreateGlobalPrivilege	1256	vbc.exe
Token: 33	1256	vbc.exe
Token: 34	1256	vbc.exe
Token: 35	1256	vbc.exe
Token: 36	1256	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1256	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82
PID 4660 wrote to memory of 1256	4660	JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69cc617fef29c0a1e882cc41bb193548.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4660
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1256

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

Impair Defenses

2

T1562

Disable or Modify Tools

Modify Registry

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\vbc.exe

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1256-21-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/1256-34-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-20-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-14-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-15-0x0000000002850000-0x0000000002851000-memory.dmp

Filesize
4KB

Download
memory/1256-18-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-17-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-16-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-29-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-24-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-26-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-27-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-22-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/1256-30-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/4660-2-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4660-1-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4660-19-0x00000000754C0000-0x0000000075A71000-memory.dmp

Filesize
5.7MB

Download
memory/4660-0-0x00000000754C2000-0x00000000754C3000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads