darkcomet | 1fe23f2a3cae5c252fce011484c5e25f545bb6b45b4f28fd73901ebe2bafccf8

General

Target

JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe
Size

501KB
MD5

94ec8fdf1581f256ea078ee520e2666e
SHA1

61cbc6e9652f435b7a524e22726bb25aa5ad507d
SHA256

1fe23f2a3cae5c252fce011484c5e25f545bb6b45b4f28fd73901ebe2bafccf8
SHA512

662bfba1f73c910473a93ee24b73e631c1cb0b40774a12a8d503259a5d87d22a4b380151558215a169b241bd6aa5f9ad92b39a257181bcae82af6a4d45c025a7
SSDEEP

12288:7FEuFzdodXf3wxH5fKy86zgbAL5EDWeSizzA78LH0tDsBQJ:7FPzdo1f3aH5VTga5EDoiPA4L0XJ

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

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-1-5-21-805952410-2104024357-1716932545-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Win Update = "C:\\Users\\Admin\\AppData\\Roaming\\Win Update.exe"	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3564 set thread context of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89

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_94ec8fdf1581f256ea078ee520e2666e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4604	vbc.exe
Token: SeSecurityPrivilege	4604	vbc.exe
Token: SeTakeOwnershipPrivilege	4604	vbc.exe
Token: SeLoadDriverPrivilege	4604	vbc.exe
Token: SeSystemProfilePrivilege	4604	vbc.exe
Token: SeSystemtimePrivilege	4604	vbc.exe
Token: SeProfSingleProcessPrivilege	4604	vbc.exe
Token: SeIncBasePriorityPrivilege	4604	vbc.exe
Token: SeCreatePagefilePrivilege	4604	vbc.exe
Token: SeBackupPrivilege	4604	vbc.exe
Token: SeRestorePrivilege	4604	vbc.exe
Token: SeShutdownPrivilege	4604	vbc.exe
Token: SeDebugPrivilege	4604	vbc.exe
Token: SeSystemEnvironmentPrivilege	4604	vbc.exe
Token: SeChangeNotifyPrivilege	4604	vbc.exe
Token: SeRemoteShutdownPrivilege	4604	vbc.exe
Token: SeUndockPrivilege	4604	vbc.exe
Token: SeManageVolumePrivilege	4604	vbc.exe
Token: SeImpersonatePrivilege	4604	vbc.exe
Token: SeCreateGlobalPrivilege	4604	vbc.exe
Token: 33	4604	vbc.exe
Token: 34	4604	vbc.exe
Token: 35	4604	vbc.exe
Token: 36	4604	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4604	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89
PID 3564 wrote to memory of 4604	3564	JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe	89

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_94ec8fdf1581f256ea078ee520e2666e.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3564
- 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:4604

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\Win Update.exe
1⤵
PID:2504

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/3564-12-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3564-1-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3564-2-0x00000000750C0000-0x0000000075671000-memory.dmp

Filesize
5.7MB

Download
memory/3564-0-0x00000000750C2000-0x00000000750C3000-memory.dmp

Filesize
4KB

Download
memory/4604-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-17-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-11-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-3-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-9-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/4604-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads