darkcomet | af3abbae00423af0d7ea417c0a488c66744e7dcf09f00b34967c620809622a20

General

Target

JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe
Size

950KB
MD5

21869a2e70e6e250f167a1432f4c7f85
SHA1

37cb7c9616c530361adfe3e3f37f58653e29d1cb
SHA256

af3abbae00423af0d7ea417c0a488c66744e7dcf09f00b34967c620809622a20
SHA512

48444832ce4f6e0c1d1ac517407800d060f19baca79aa5a25c62dffb906a6ea1f0fb4f146e6301a5f9effc0575fcb1b7a6a7102f5b09c3d27611ba2daa2be44f
SSDEEP

24576:Rayr5Ms1sZAnfOUibyKbCaUvaTRb+zQy7A:51sOxRk+RA

Score

10^/10

darkcomet jonas discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Jonas

C2

suckiton.no-ip.org:8182

Mutex

DC_MUTEX-88C0JVR

Attributes

gencode
UW.y#aYPHHT4
install
false
offline_keylogger
true
password
amuras123
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
3312	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-1-5-21-3181990009-820930284-137514597-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe"	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1360 set thread context of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87

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_21869a2e70e6e250f167a1432f4c7f85.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3312	vbc.exe
Token: SeSecurityPrivilege	3312	vbc.exe
Token: SeTakeOwnershipPrivilege	3312	vbc.exe
Token: SeLoadDriverPrivilege	3312	vbc.exe
Token: SeSystemProfilePrivilege	3312	vbc.exe
Token: SeSystemtimePrivilege	3312	vbc.exe
Token: SeProfSingleProcessPrivilege	3312	vbc.exe
Token: SeIncBasePriorityPrivilege	3312	vbc.exe
Token: SeCreatePagefilePrivilege	3312	vbc.exe
Token: SeBackupPrivilege	3312	vbc.exe
Token: SeRestorePrivilege	3312	vbc.exe
Token: SeShutdownPrivilege	3312	vbc.exe
Token: SeDebugPrivilege	3312	vbc.exe
Token: SeSystemEnvironmentPrivilege	3312	vbc.exe
Token: SeChangeNotifyPrivilege	3312	vbc.exe
Token: SeRemoteShutdownPrivilege	3312	vbc.exe
Token: SeUndockPrivilege	3312	vbc.exe
Token: SeManageVolumePrivilege	3312	vbc.exe
Token: SeImpersonatePrivilege	3312	vbc.exe
Token: SeCreateGlobalPrivilege	3312	vbc.exe
Token: 33	3312	vbc.exe
Token: 34	3312	vbc.exe
Token: 35	3312	vbc.exe
Token: 36	3312	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3312	vbc.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87
PID 1360 wrote to memory of 3312	1360	JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe	87

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_21869a2e70e6e250f167a1432f4c7f85.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1360
- 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:3312

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

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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/1360-0-0x00000000746E2000-0x00000000746E3000-memory.dmp

Filesize
4KB

Download
memory/1360-1-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/1360-2-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/1360-19-0x00000000746E0000-0x0000000074C91000-memory.dmp

Filesize
5.7MB

Download
memory/3312-14-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-12-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-18-0x00000000022A0000-0x00000000022A1000-memory.dmp

Filesize
4KB

Download
memory/3312-17-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-16-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-15-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-10-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-20-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-21-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-22-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-7-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-24-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-26-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-27-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-28-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-29-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-30-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-31-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-32-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/3312-33-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads