darkcomet | 8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-10-2024 01:05

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General

Target

8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
Size

520KB
MD5

a005168ca78727676148bcd8a93047de
SHA1

640b8c6ddeafb34f244584f99d779dd5c8cb4de2
SHA256

8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71
SHA512

6b84ba7944b2c8bff3037ccad0974a2ff8f8cf9a60576f9fd3c771c43f6e91e3680e9c015a8e0007a084a0a414213f07ad9845f650a5518e5c77563c1fff8131
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb4:f9fC3hh29Ya77A90aFtDfT5IMb4

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

Executes dropped EXE 3 IoCs

Processes:

winupd.exewinupd.exewinupd.exe

pid	Process
1392	winupd.exe
4620	winupd.exe
4560	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exewinupd.exe

description	pid	Process	procid_target
PID 1440 set thread context of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1392 set thread context of 4620	1392	winupd.exe	104
PID 1392 set thread context of 4560	1392	winupd.exe	105

UPX packed file 16 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4560-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-33-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4560-52-0x0000000000400000-0x00000000004B7000-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

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
528	116	WerFault.exe	106

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

Processes:

winupd.exewinupd.exewinupd.exe8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe

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	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

Processes:

ipconfig.exe

pid	Process
116	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winupd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4560	winupd.exe
Token: SeSecurityPrivilege	4560	winupd.exe
Token: SeTakeOwnershipPrivilege	4560	winupd.exe
Token: SeLoadDriverPrivilege	4560	winupd.exe
Token: SeSystemProfilePrivilege	4560	winupd.exe
Token: SeSystemtimePrivilege	4560	winupd.exe
Token: SeProfSingleProcessPrivilege	4560	winupd.exe
Token: SeIncBasePriorityPrivilege	4560	winupd.exe
Token: SeCreatePagefilePrivilege	4560	winupd.exe
Token: SeBackupPrivilege	4560	winupd.exe
Token: SeRestorePrivilege	4560	winupd.exe
Token: SeShutdownPrivilege	4560	winupd.exe
Token: SeDebugPrivilege	4560	winupd.exe
Token: SeSystemEnvironmentPrivilege	4560	winupd.exe
Token: SeChangeNotifyPrivilege	4560	winupd.exe
Token: SeRemoteShutdownPrivilege	4560	winupd.exe
Token: SeUndockPrivilege	4560	winupd.exe
Token: SeManageVolumePrivilege	4560	winupd.exe
Token: SeImpersonatePrivilege	4560	winupd.exe
Token: SeCreateGlobalPrivilege	4560	winupd.exe
Token: 33	4560	winupd.exe
Token: 34	4560	winupd.exe
Token: 35	4560	winupd.exe
Token: 36	4560	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exewinupd.exewinupd.exewinupd.exe

pid	Process
1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
3452	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
1392	winupd.exe
4620	winupd.exe
4560	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exewinupd.exewinupd.exe

description	pid	Process	procid_target
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 1440 wrote to memory of 3452	1440	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	100
PID 3452 wrote to memory of 1392	3452	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	101
PID 3452 wrote to memory of 1392	3452	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	101
PID 3452 wrote to memory of 1392	3452	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	101
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4620	1392	winupd.exe	104
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 1392 wrote to memory of 4560	1392	winupd.exe	105
PID 4620 wrote to memory of 116	4620	winupd.exe	106
PID 4620 wrote to memory of 116	4620	winupd.exe	106
PID 4620 wrote to memory of 116	4620	winupd.exe	106
PID 4620 wrote to memory of 116	4620	winupd.exe	106
PID 4620 wrote to memory of 116	4620	winupd.exe	106

C:\Users\Admin\AppData\Local\Temp\8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
"C:\Users\Admin\AppData\Local\Temp\8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1440
- C:\Users\Admin\AppData\Local\Temp\8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
  "C:\Users\Admin\AppData\Local\Temp\8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3452
- - 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:1392
  - - 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:4620
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:116
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 116 -s 272
        6⤵
        Program crash
        
        PID:528
  - - 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:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 116 -ip 116
1⤵
PID:3640

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

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Downloads

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

Filesize
520KB

MD5
464cb6ea7e55d4d8f9ee1fc7f05bc3e4

SHA1
b97ad43bc311381e9b4a21514973837207c05527

SHA256
8012f074079c9bc7efdde01be5f849ec493e45ae5277d8e2481bfafe36b43f30

SHA512
e56785ef75a61703eff52a7c40d408c641891159925331770ca68d181645b39f1bb062ee491ba1b81211b9014e67f44d227431d862b7d77a4a7642a506bc8494

Download Submit
memory/1392-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1392-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1392-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1440-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1440-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1440-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1440-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1440-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3452-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3452-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3452-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3452-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4560-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-33-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4560-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4620-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download