darkcomet | 2fcf86798d8d50318a7395330dfb966b33bcf3fc33620feb45212de197d701b4

General

Target

JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe
Size

1.1MB
MD5

6f5bcc1e4b76795b47f195753253ab05
SHA1

3e1f1c2d6009386e3ff0f4898bb170629aa27a58
SHA256

2fcf86798d8d50318a7395330dfb966b33bcf3fc33620feb45212de197d701b4
SHA512

d459819bcfd646a9cd5a8d39d2413407f07c2ec248e3f97257c15df51d007b275a724671aa90522b885a260782ab227141705e3d804e7c24d300deda59b8b9c0
SSDEEP

24576:BKyw+xCPzsRic1ZxXU09kTS0lq96L3sDdt:gyw+xSz21Zxh0lDLI

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1604

192.168.1.6:1604

87.212.172.69:1604

Mutex

DC_MUTEX-4JJVNU0

Attributes

gencode
oW6pJW4xYvrF
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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	vbc.exe

Executes dropped EXE 2 IoCs

pid	Process
1936	vbc.exe
3136	ANONYMOUS BOOTER.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-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdater = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdater\\JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe"	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3832 set thread context of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84

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 3 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	ANONYMOUS BOOTER.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1936	vbc.exe
Token: SeSecurityPrivilege	1936	vbc.exe
Token: SeTakeOwnershipPrivilege	1936	vbc.exe
Token: SeLoadDriverPrivilege	1936	vbc.exe
Token: SeSystemProfilePrivilege	1936	vbc.exe
Token: SeSystemtimePrivilege	1936	vbc.exe
Token: SeProfSingleProcessPrivilege	1936	vbc.exe
Token: SeIncBasePriorityPrivilege	1936	vbc.exe
Token: SeCreatePagefilePrivilege	1936	vbc.exe
Token: SeBackupPrivilege	1936	vbc.exe
Token: SeRestorePrivilege	1936	vbc.exe
Token: SeShutdownPrivilege	1936	vbc.exe
Token: SeDebugPrivilege	1936	vbc.exe
Token: SeSystemEnvironmentPrivilege	1936	vbc.exe
Token: SeChangeNotifyPrivilege	1936	vbc.exe
Token: SeRemoteShutdownPrivilege	1936	vbc.exe
Token: SeUndockPrivilege	1936	vbc.exe
Token: SeManageVolumePrivilege	1936	vbc.exe
Token: SeImpersonatePrivilege	1936	vbc.exe
Token: SeCreateGlobalPrivilege	1936	vbc.exe
Token: 33	1936	vbc.exe
Token: 34	1936	vbc.exe
Token: 35	1936	vbc.exe
Token: 36	1936	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1936	vbc.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 3832 wrote to memory of 1936	3832	JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe	84
PID 1936 wrote to memory of 3136	1936	vbc.exe	85
PID 1936 wrote to memory of 3136	1936	vbc.exe	85
PID 1936 wrote to memory of 3136	1936	vbc.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f5bcc1e4b76795b47f195753253ab05.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Users\Admin\AppData\Local\Temp\vbc.exe
  C:\Users\Admin\AppData\Local\Temp\vbc.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1936
- - C:\Users\Admin\AppData\Local\Temp\ANONYMOUS BOOTER.EXE
    "C:\Users\Admin\AppData\Local\Temp\ANONYMOUS BOOTER.EXE"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3136

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

Query Registry

1

T1012

System Information Discovery

2

T1082

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\ANONYMOUS BOOTER.EXE

Filesize
9KB

MD5
55a94c566b1845ae787cdb5b72f31dfe

SHA1
e6d8318ebf237333e82b9a55885bebe51ca321f6

SHA256
067b3d41f5e4f27592fb186f5038d13721a1270a89f6b106ffcfb9b3bc7696dc

SHA512
c840a0d113075d5d9b182b19ca20153338e962c820abdebc046ee5941dcbace2bfe9ab284b7edf107d0c144f32964475da979786c968e0f2e64093d41da9a215

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

Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/1936-16-0x0000000002860000-0x0000000002861000-memory.dmp

Filesize
4KB

Download
memory/1936-47-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-10-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-7-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-12-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-14-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-33-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-49-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-51-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-44-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-42-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-40-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-36-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/1936-32-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/3136-31-0x00000000052F0000-0x0000000005382000-memory.dmp

Filesize
584KB

Download
memory/3136-34-0x0000000073850000-0x0000000074000000-memory.dmp

Filesize
7.7MB

Download
memory/3136-35-0x00000000052D0000-0x00000000052DA000-memory.dmp

Filesize
40KB

Download
memory/3136-37-0x000000007385E000-0x000000007385F000-memory.dmp

Filesize
4KB

Download
memory/3136-38-0x0000000073850000-0x0000000074000000-memory.dmp

Filesize
7.7MB

Download
memory/3136-30-0x00000000058A0000-0x0000000005E44000-memory.dmp

Filesize
5.6MB

Download
memory/3136-29-0x0000000000A50000-0x0000000000A58000-memory.dmp

Filesize
32KB

Download
memory/3136-28-0x000000007385E000-0x000000007385F000-memory.dmp

Filesize
4KB

Download
memory/3832-0-0x00000000747D2000-0x00000000747D3000-memory.dmp

Filesize
4KB

Download
memory/3832-15-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/3832-2-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download
memory/3832-1-0x00000000747D0000-0x0000000074D81000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads