darkcomet | 3b75bf640c9fae2210995799ca0f59a9a607f01964e3cad4595f59543c33919a

General

Target

JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe
Size

488KB
MD5

6f976416474c33d27ffbc0d0e9be431f
SHA1

4064360e573a826837519bd596a652cf7f93ecbe
SHA256

3b75bf640c9fae2210995799ca0f59a9a607f01964e3cad4595f59543c33919a
SHA512

3598f2aa382c91b36cf66d363e6d13bf92e4d71612ea0a7ce22ef25c0a22696e065b6923e49dca064fa25e78206fe26ebf54b29804f1810225095ef5a7d35788
SSDEEP

12288:QoLcHzHluZyBJdDUHT4XVWt0BDMscmTGR4PaW3:ncHzFuAB4UMuvcJOaW

Score

10^/10

darkcomet 21/8 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

21/8

C2

icode.no-ip.org:1723

Mutex

DCMIN_MUTEX-NE8KTLN

Attributes

gencode
Ww6XEwaoFSZz
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
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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Update = "C:\\Users\\Admin\\AppData\\Roaming\\Win Update.exe"	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4748 set thread context of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83

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_6f976416474c33d27ffbc0d0e9be431f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3316	vbc.exe
Token: SeSecurityPrivilege	3316	vbc.exe
Token: SeTakeOwnershipPrivilege	3316	vbc.exe
Token: SeLoadDriverPrivilege	3316	vbc.exe
Token: SeSystemProfilePrivilege	3316	vbc.exe
Token: SeSystemtimePrivilege	3316	vbc.exe
Token: SeProfSingleProcessPrivilege	3316	vbc.exe
Token: SeIncBasePriorityPrivilege	3316	vbc.exe
Token: SeCreatePagefilePrivilege	3316	vbc.exe
Token: SeBackupPrivilege	3316	vbc.exe
Token: SeRestorePrivilege	3316	vbc.exe
Token: SeShutdownPrivilege	3316	vbc.exe
Token: SeDebugPrivilege	3316	vbc.exe
Token: SeSystemEnvironmentPrivilege	3316	vbc.exe
Token: SeChangeNotifyPrivilege	3316	vbc.exe
Token: SeRemoteShutdownPrivilege	3316	vbc.exe
Token: SeUndockPrivilege	3316	vbc.exe
Token: SeManageVolumePrivilege	3316	vbc.exe
Token: SeImpersonatePrivilege	3316	vbc.exe
Token: SeCreateGlobalPrivilege	3316	vbc.exe
Token: 33	3316	vbc.exe
Token: 34	3316	vbc.exe
Token: 35	3316	vbc.exe
Token: 36	3316	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3316	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83
PID 4748 wrote to memory of 3316	4748	JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f976416474c33d27ffbc0d0e9be431f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4748
- 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:3316

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

Loading Replay Monitor...

Downloads

memory/3316-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-7-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/3316-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4748-1-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4748-2-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4748-12-0x0000000074F40000-0x00000000754F1000-memory.dmp

Filesize
5.7MB

Download
memory/4748-0-0x0000000074F42000-0x0000000074F43000-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