darkcomet | 2d5520b0909d39d9cf10dcba82faf447b690bbbba82fc03ecce6f232a634b571

General

Target

c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe
Size

1003KB
MD5

c55453a57b4f41620bb50d002f50e341
SHA1

25faa045341a77ebdc36b2f99589291dc20046f0
SHA256

2d5520b0909d39d9cf10dcba82faf447b690bbbba82fc03ecce6f232a634b571
SHA512

d9aad5d2ccfa983fab1b929e0329744bc7e135b38230bf47a870e05336fa72e81a2f905fb9ab522dbfb11fffe19433aa3394c7ba3eaaa99abd2d58ce53638ba7
SSDEEP

24576:mja0HWLwdVWFkFIfP926yG0RL0ZzK1xK0NY:mjaeWs+bd2IRK1xK0

Score

10^/10

darkcomet latentbot discovery persistence rat trojan

Malware Config

Extracted

Family

latentbot

C2

congratsdarked.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Executes dropped EXE 1 IoCs

Processes:

vbc.exe

pid	Process
588	vbc.exe

Loads dropped DLL 1 IoCs

Processes:

c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe

pid	Process
2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdtr = "C:\\Users\\Admin\\AppData\\Roaming\\WinUpdtr\\c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe"	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe

description	pid	Process	procid_target
PID 2136 set thread context of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30

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

Processes:

c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

vbc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	588	vbc.exe
Token: SeSecurityPrivilege	588	vbc.exe
Token: SeTakeOwnershipPrivilege	588	vbc.exe
Token: SeLoadDriverPrivilege	588	vbc.exe
Token: SeSystemProfilePrivilege	588	vbc.exe
Token: SeSystemtimePrivilege	588	vbc.exe
Token: SeProfSingleProcessPrivilege	588	vbc.exe
Token: SeIncBasePriorityPrivilege	588	vbc.exe
Token: SeCreatePagefilePrivilege	588	vbc.exe
Token: SeBackupPrivilege	588	vbc.exe
Token: SeRestorePrivilege	588	vbc.exe
Token: SeShutdownPrivilege	588	vbc.exe
Token: SeDebugPrivilege	588	vbc.exe
Token: SeSystemEnvironmentPrivilege	588	vbc.exe
Token: SeChangeNotifyPrivilege	588	vbc.exe
Token: SeRemoteShutdownPrivilege	588	vbc.exe
Token: SeUndockPrivilege	588	vbc.exe
Token: SeManageVolumePrivilege	588	vbc.exe
Token: SeImpersonatePrivilege	588	vbc.exe
Token: SeCreateGlobalPrivilege	588	vbc.exe
Token: 33	588	vbc.exe
Token: 34	588	vbc.exe
Token: 35	588	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

vbc.exe

pid	Process
588	vbc.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exevbc.exe

description	pid	Process	procid_target
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 2136 wrote to memory of 588	2136	c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe	30
PID 588 wrote to memory of 880	588	vbc.exe	31
PID 588 wrote to memory of 880	588	vbc.exe	31
PID 588 wrote to memory of 880	588	vbc.exe	31
PID 588 wrote to memory of 880	588	vbc.exe	31
PID 588 wrote to memory of 2776	588	vbc.exe	32
PID 588 wrote to memory of 2776	588	vbc.exe	32
PID 588 wrote to memory of 2776	588	vbc.exe	32
PID 588 wrote to memory of 2776	588	vbc.exe	32

C:\Users\Admin\AppData\Local\Temp\c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c55453a57b4f41620bb50d002f50e341_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- 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
  - Suspicious use of WriteProcessMemory
  PID:588
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:880
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

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

Scripting

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
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/588-29-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-46-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-13-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-26-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-23-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-47-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-21-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/588-18-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-17-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-16-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-11-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-9-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-25-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-27-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-31-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-30-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-15-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-45-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-44-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-32-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-14-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-33-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-34-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-35-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-36-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-37-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-38-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-39-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-40-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-41-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-42-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/588-43-0x0000000000400000-0x00000000004AF000-memory.dmp

Filesize
700KB

Download
memory/2136-2-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-1-0x00000000747C0000-0x0000000074D6B000-memory.dmp

Filesize
5.7MB

Download
memory/2136-0-0x00000000747C1000-0x00000000747C2000-memory.dmp

Filesize
4KB

Download
memory/2136-24-0x00000000747C0000-0x0000000074D6B000-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