darkcomet | 0c9b649158566bebfa1b37791a2fe61cd30e58eeec1bcac7b64b6aa8fac4fa85

Analysis

max time kernel
126s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2025, 23:52

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General

Target
JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe
Size 846KB
Sample250225-3wp7vavm13
SHA256 0c9b649158566bebfa1b37791a2fe61cd30e58eeec1bcac7b64b6aa8fac4fa85
MD5 232d97751b3ddde61e18a52b978427c8
SHA1 492f9c45c264e826e2f67f8e3b779c0024fa7f89
SHA512 806ab22bebc861886dcbe47cf19f501e9f7f34011b9c8005d926ddc3324c158b6213f35a42c29676383441e7dad2cb13f95ff82a997b1e671649f788db6298e4
SSDEEP 24576:06xdlYxU25UxitwPxSgI7ZI9BL0TKV+p:06t9xitwPHINEBLzV+p
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet latentbot cyber discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Cyber

youaremyslave.zapto.org:1604

Mutex

DC_MUTEX-SBJ9CDR

Attributes

gencode
%*Jye+bdTcqv
install
false
offline_keylogger
true
persistence
false

rc4.plain

Extracted

Family

latentbot

youaremyslave.zapto.org

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
5016	csrss.exe

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-1-5-21-2278412438-3475196406-3686434223-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Essentials = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MsMpEn2.exe"	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 916 set thread context of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86

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_232d97751b3ddde61e18a52b978427c8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	csrss.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

description	pid	Process
Token: SeDebugPrivilege	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe
Token: SeIncreaseQuotaPrivilege	5016	csrss.exe
Token: SeSecurityPrivilege	5016	csrss.exe
Token: SeTakeOwnershipPrivilege	5016	csrss.exe
Token: SeLoadDriverPrivilege	5016	csrss.exe
Token: SeSystemProfilePrivilege	5016	csrss.exe
Token: SeSystemtimePrivilege	5016	csrss.exe
Token: SeProfSingleProcessPrivilege	5016	csrss.exe
Token: SeIncBasePriorityPrivilege	5016	csrss.exe
Token: SeCreatePagefilePrivilege	5016	csrss.exe
Token: SeBackupPrivilege	5016	csrss.exe
Token: SeRestorePrivilege	5016	csrss.exe
Token: SeShutdownPrivilege	5016	csrss.exe
Token: SeDebugPrivilege	5016	csrss.exe
Token: SeSystemEnvironmentPrivilege	5016	csrss.exe
Token: SeChangeNotifyPrivilege	5016	csrss.exe
Token: SeRemoteShutdownPrivilege	5016	csrss.exe
Token: SeUndockPrivilege	5016	csrss.exe
Token: SeManageVolumePrivilege	5016	csrss.exe
Token: SeImpersonatePrivilege	5016	csrss.exe
Token: SeCreateGlobalPrivilege	5016	csrss.exe
Token: 33	5016	csrss.exe
Token: 34	5016	csrss.exe
Token: 35	5016	csrss.exe
Token: 36	5016	csrss.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
5016	csrss.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86
PID 916 wrote to memory of 5016	916	JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe	86

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_232d97751b3ddde61e18a52b978427c8.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:916
- C:\Users\Admin\AppData\Local\Temp\csrss.exe
  C:\Users\Admin\AppData\Local\Temp\csrss.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:5016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

csrss.exe

Path C:\Users\Admin\AppData\Local\Temp\csrss.exe
Size 34KB
SHA256 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
MD5 e118330b4629b12368d91b9df6488be0
SHA1 ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA512 ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0
SSDEEP 768:Paq4bp49YK+2Cza0pS6icHmMl9CvwOElkn3yKdn5y85p3:ud4+KTMVJHmMsEBKdn5vj
MD5 SHA1 SHA512 SSDEEP

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memory/916-13-0x0000000075550000-0x0000000075B01000-memory.dmp

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memory/916-1-0x0000000075550000-0x0000000075B01000-memory.dmp

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memory/916-0-0x0000000075552000-0x0000000075553000-memory.dmp

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memory/5016-18-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-21-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-14-0x00000000025D0000-0x00000000025D1000-memory.dmp

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memory/5016-17-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-16-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-15-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-8-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-12-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-5-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-19-0x00000000025D0000-0x00000000025D1000-memory.dmp

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memory/5016-20-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-10-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-22-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-23-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-24-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-25-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-26-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-27-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-28-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-29-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-30-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-31-0x0000000000400000-0x00000000004C3000-memory.dmp

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memory/5016-32-0x0000000000400000-0x00000000004C3000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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