darkcomet | 3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86

Analysis

max time kernel
120s
max time network
116s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 00:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe
Size

520KB
MD5

5b7b75ede2d95831c1c305ca4c4d3520
SHA1

e2c745d66b03313fb37f06bfe736a4278ad3cb13
SHA256

3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86
SHA512

19a9ef38f443c7ba507fd4269e8d72a40927ee95a27fd254ee1fb6531df54b91e55c14a11ca6edb9145f0a37c36282a4c1c680246ad4a385c1138a57a4c3858f
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbC:f9fC3hh29Ya77A90aFtDfT5IMbC

Score

10^/10

darkcomet privateeye discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
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

Executes dropped EXE 3 IoCs

pid	Process
1312	winupd.exe
4012	winupd.exe
676	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 3504 set thread context of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 1312 set thread context of 4012	1312	winupd.exe	101
PID 1312 set thread context of 676	1312	winupd.exe	102

UPX packed file 17 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/676-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/676-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4052	3984	WerFault.exe	103

System Location Discovery: System Language Discovery 1 TTPs 5 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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
3984	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	676	winupd.exe
Token: SeSecurityPrivilege	676	winupd.exe
Token: SeTakeOwnershipPrivilege	676	winupd.exe
Token: SeLoadDriverPrivilege	676	winupd.exe
Token: SeSystemProfilePrivilege	676	winupd.exe
Token: SeSystemtimePrivilege	676	winupd.exe
Token: SeProfSingleProcessPrivilege	676	winupd.exe
Token: SeIncBasePriorityPrivilege	676	winupd.exe
Token: SeCreatePagefilePrivilege	676	winupd.exe
Token: SeBackupPrivilege	676	winupd.exe
Token: SeRestorePrivilege	676	winupd.exe
Token: SeShutdownPrivilege	676	winupd.exe
Token: SeDebugPrivilege	676	winupd.exe
Token: SeSystemEnvironmentPrivilege	676	winupd.exe
Token: SeChangeNotifyPrivilege	676	winupd.exe
Token: SeRemoteShutdownPrivilege	676	winupd.exe
Token: SeUndockPrivilege	676	winupd.exe
Token: SeManageVolumePrivilege	676	winupd.exe
Token: SeImpersonatePrivilege	676	winupd.exe
Token: SeCreateGlobalPrivilege	676	winupd.exe
Token: 33	676	winupd.exe
Token: 34	676	winupd.exe
Token: 35	676	winupd.exe
Token: 36	676	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe
1700	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe
1312	winupd.exe
4012	winupd.exe
676	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 3504 wrote to memory of 1700	3504	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	96
PID 1700 wrote to memory of 1312	1700	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	97
PID 1700 wrote to memory of 1312	1700	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	97
PID 1700 wrote to memory of 1312	1700	3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe	97
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 4012	1312	winupd.exe	101
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 1312 wrote to memory of 676	1312	winupd.exe	102
PID 4012 wrote to memory of 3984	4012	winupd.exe	103
PID 4012 wrote to memory of 3984	4012	winupd.exe	103
PID 4012 wrote to memory of 3984	4012	winupd.exe	103
PID 4012 wrote to memory of 3984	4012	winupd.exe	103
PID 4012 wrote to memory of 3984	4012	winupd.exe	103

C:\Users\Admin\AppData\Local\Temp\3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe
"C:\Users\Admin\AppData\Local\Temp\3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3504
- C:\Users\Admin\AppData\Local\Temp\3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe
  "C:\Users\Admin\AppData\Local\Temp\3f129fa0acb200fa9578a6051845fa2375a67235fb9111371e3021fb047ebc86N.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1312
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:4012
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:3984
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 3984 -s 272
        6⤵
        Program crash
        
        PID:4052
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:676

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3984 -ip 3984
1⤵
PID:452

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
f9a17556904bcf6ae8b84c58bdc5c570

SHA1
7f42368f2265d53828dc4bcc0f81748948bb4934

SHA256
0f48961a4ed25056517f589d6141905e2148c31698d38e4308ad0b17dcf009c3

SHA512
3e6890448c2e53cb63046d17a1e3eda741d057a9430e5c65b822351b5fbec1192ca33127d1a84f824faad57a24faec0a154fb4bbd55cc313fa6e44fe15ae49bc

Download Submit
memory/676-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/676-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1312-28-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1312-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1312-38-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1700-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1700-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1700-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1700-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3504-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3504-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3504-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3504-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3504-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4012-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download