darkcomet | 9f681ce520e13e5d68c45a039431fdcb7ad48bc45777b3f7adc85be874614798

General

Target

JaffaCakes118_803728632806db39655f3d62cf556647.exe
Size

1.2MB
MD5

803728632806db39655f3d62cf556647
SHA1

3248e36a3a25f93a7085fd9b613e5cfbc3664c38
SHA256

9f681ce520e13e5d68c45a039431fdcb7ad48bc45777b3f7adc85be874614798
SHA512

a99008de00fa31eb3228de966deab32d02133b2dd23880a5699cf7db4d3e25b764bb95043fe3a80920acefd1b82ac26bcf4afc9a643be262953eb95b0e9c4d39
SSDEEP

24576:mBNSwu3+XXhsAVCFdSfLvt+HZgguvzpKr0mP4rHS:EQRuiXSjVwZggu4YHr

Score

10^/10

darkcomet victim discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Victim

C2

rawr123.no-ip.org:1604

Mutex

DC_MUTEX-RW0HW3V

Attributes

gencode
bx2Vs�vgQD�K
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

Executes dropped EXE 1 IoCs

pid	Process
4404	vbc.exe

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\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_803728632806db39655f3d62cf556647.exe"	JaffaCakes118_803728632806db39655f3d62cf556647.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3088 set thread context of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.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_803728632806db39655f3d62cf556647.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4404	vbc.exe
Token: SeSecurityPrivilege	4404	vbc.exe
Token: SeTakeOwnershipPrivilege	4404	vbc.exe
Token: SeLoadDriverPrivilege	4404	vbc.exe
Token: SeSystemProfilePrivilege	4404	vbc.exe
Token: SeSystemtimePrivilege	4404	vbc.exe
Token: SeProfSingleProcessPrivilege	4404	vbc.exe
Token: SeIncBasePriorityPrivilege	4404	vbc.exe
Token: SeCreatePagefilePrivilege	4404	vbc.exe
Token: SeBackupPrivilege	4404	vbc.exe
Token: SeRestorePrivilege	4404	vbc.exe
Token: SeShutdownPrivilege	4404	vbc.exe
Token: SeDebugPrivilege	4404	vbc.exe
Token: SeSystemEnvironmentPrivilege	4404	vbc.exe
Token: SeChangeNotifyPrivilege	4404	vbc.exe
Token: SeRemoteShutdownPrivilege	4404	vbc.exe
Token: SeUndockPrivilege	4404	vbc.exe
Token: SeManageVolumePrivilege	4404	vbc.exe
Token: SeImpersonatePrivilege	4404	vbc.exe
Token: SeCreateGlobalPrivilege	4404	vbc.exe
Token: 33	4404	vbc.exe
Token: 34	4404	vbc.exe
Token: 35	4404	vbc.exe
Token: 36	4404	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4404	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88
PID 3088 wrote to memory of 4404	3088	JaffaCakes118_803728632806db39655f3d62cf556647.exe	88

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_803728632806db39655f3d62cf556647.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_803728632806db39655f3d62cf556647.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3088
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4404

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

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Downloads

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/3088-15-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/3088-1-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/3088-2-0x0000000074900000-0x0000000074EB1000-memory.dmp

Filesize
5.7MB

Download
memory/3088-0-0x0000000074902000-0x0000000074903000-memory.dmp

Filesize
4KB

Download
memory/4404-20-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-23-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-12-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-16-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/4404-11-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-19-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-18-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-17-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-21-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/4404-7-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-22-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-14-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-24-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-25-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-26-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-27-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-28-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-29-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-30-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-31-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-32-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-33-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download
memory/4404-34-0x0000000000400000-0x00000000004C3000-memory.dmp

Filesize
780KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads