darkcomet | 8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71

Analysis

max time kernel
150s
max time network
151s
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 00:58

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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
636	winupd.exe
3304	winupd.exe
5108	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exewinupd.exe

description	pid	Process	procid_target
PID 3888 set thread context of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 636 set thread context of 3304	636	winupd.exe	99
PID 636 set thread context of 5108	636	winupd.exe	100

UPX packed file 20 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/5108-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-35-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/5108-55-0x0000000000400000-0x00000000004B7000-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
3972	1020	WerFault.exe	101

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:

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.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	winupd.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
1020	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winupd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	5108	winupd.exe
Token: SeSecurityPrivilege	5108	winupd.exe
Token: SeTakeOwnershipPrivilege	5108	winupd.exe
Token: SeLoadDriverPrivilege	5108	winupd.exe
Token: SeSystemProfilePrivilege	5108	winupd.exe
Token: SeSystemtimePrivilege	5108	winupd.exe
Token: SeProfSingleProcessPrivilege	5108	winupd.exe
Token: SeIncBasePriorityPrivilege	5108	winupd.exe
Token: SeCreatePagefilePrivilege	5108	winupd.exe
Token: SeBackupPrivilege	5108	winupd.exe
Token: SeRestorePrivilege	5108	winupd.exe
Token: SeShutdownPrivilege	5108	winupd.exe
Token: SeDebugPrivilege	5108	winupd.exe
Token: SeSystemEnvironmentPrivilege	5108	winupd.exe
Token: SeChangeNotifyPrivilege	5108	winupd.exe
Token: SeRemoteShutdownPrivilege	5108	winupd.exe
Token: SeUndockPrivilege	5108	winupd.exe
Token: SeManageVolumePrivilege	5108	winupd.exe
Token: SeImpersonatePrivilege	5108	winupd.exe
Token: SeCreateGlobalPrivilege	5108	winupd.exe
Token: 33	5108	winupd.exe
Token: 34	5108	winupd.exe
Token: 35	5108	winupd.exe
Token: 36	5108	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

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

pid	Process
3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
2600	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe
636	winupd.exe
3304	winupd.exe
5108	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exewinupd.exewinupd.exe

description	pid	Process	procid_target
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 3888 wrote to memory of 2600	3888	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	94
PID 2600 wrote to memory of 636	2600	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	95
PID 2600 wrote to memory of 636	2600	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	95
PID 2600 wrote to memory of 636	2600	8c9ff44e17e358515172280af70a9017cbf44e937146922750147476486e5d71.exe	95
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 3304	636	winupd.exe	99
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 636 wrote to memory of 5108	636	winupd.exe	100
PID 3304 wrote to memory of 1020	3304	winupd.exe	101
PID 3304 wrote to memory of 1020	3304	winupd.exe	101
PID 3304 wrote to memory of 1020	3304	winupd.exe	101
PID 3304 wrote to memory of 1020	3304	winupd.exe	101
PID 3304 wrote to memory of 1020	3304	winupd.exe	101

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:3888
- 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:2600
- - 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:636
  - - 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:3304
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:1020
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 272
        6⤵
        Program crash
        
        PID:3972
  - - 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:5108

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1020 -ip 1020
1⤵
PID:1940

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

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Downloads

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

Filesize
520KB

MD5
ec01ea3cd0f8aa7b0f5d907476cff742

SHA1
808bc0de6badd3449fb2003f10d94f457b651c26

SHA256
d25e1e20304c91a333378584b142fc1f37e76155b69b8eed0d25b86cfd9a2f90

SHA512
ced5a72d6c8987223ca36d25e716b522068577ccd805716a83898779027167881dd1aab0defe88fab3822c5e6123e9b259e9682d3b4b929c3a4e0aba91b4cd3b

Download Submit
memory/636-27-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/636-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/636-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2600-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2600-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2600-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2600-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3304-41-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3888-8-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3888-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3888-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3888-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3888-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5108-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-35-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/5108-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download