darkcomet | f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412c

Analysis

max time kernel
120s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 16:07

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General

Target

f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe
Size

520KB
MD5

71d6aa005f8301a928a662cd1a29a670
SHA1

1492c92637ea6d8a2fe99f5cd2ee0811ce450088
SHA256

f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412c
SHA512

7bcd890f52f26f3dad3d722f47d33e7647b076cb3326e88a3b0cb3b8ef536ed30783a5e4ee7bde824554a33e1759cde3381e1ee4e1ae20557b272214efe7ee1c
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbv:f9fC3hh29Ya77A90aFtDfT5IMbv

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

Processes:

winupd.exewinupd.exewinupd.exe

pid	Process
4440	winupd.exe
2608	winupd.exe
4404	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exewinupd.exe

description	pid	Process	procid_target
PID 1356 set thread context of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 4440 set thread context of 2608	4440	winupd.exe	100
PID 4440 set thread context of 4404	4440	winupd.exe	101

UPX packed file 17 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4404-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-34-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4404-53-0x0000000000400000-0x00000000004B7000-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

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
1628	4364	WerFault.exe	102

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.exef998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exef998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exewinupd.exewinupd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.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
4364	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

winupd.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4404	winupd.exe
Token: SeSecurityPrivilege	4404	winupd.exe
Token: SeTakeOwnershipPrivilege	4404	winupd.exe
Token: SeLoadDriverPrivilege	4404	winupd.exe
Token: SeSystemProfilePrivilege	4404	winupd.exe
Token: SeSystemtimePrivilege	4404	winupd.exe
Token: SeProfSingleProcessPrivilege	4404	winupd.exe
Token: SeIncBasePriorityPrivilege	4404	winupd.exe
Token: SeCreatePagefilePrivilege	4404	winupd.exe
Token: SeBackupPrivilege	4404	winupd.exe
Token: SeRestorePrivilege	4404	winupd.exe
Token: SeShutdownPrivilege	4404	winupd.exe
Token: SeDebugPrivilege	4404	winupd.exe
Token: SeSystemEnvironmentPrivilege	4404	winupd.exe
Token: SeChangeNotifyPrivilege	4404	winupd.exe
Token: SeRemoteShutdownPrivilege	4404	winupd.exe
Token: SeUndockPrivilege	4404	winupd.exe
Token: SeManageVolumePrivilege	4404	winupd.exe
Token: SeImpersonatePrivilege	4404	winupd.exe
Token: SeCreateGlobalPrivilege	4404	winupd.exe
Token: 33	4404	winupd.exe
Token: 34	4404	winupd.exe
Token: 35	4404	winupd.exe
Token: 36	4404	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exef998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exewinupd.exewinupd.exewinupd.exe

pid	Process
1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe
3640	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe
4440	winupd.exe
2608	winupd.exe
4404	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

Processes:

f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exef998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exewinupd.exewinupd.exe

description	pid	Process	procid_target
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 1356 wrote to memory of 3640	1356	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	95
PID 3640 wrote to memory of 4440	3640	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	96
PID 3640 wrote to memory of 4440	3640	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	96
PID 3640 wrote to memory of 4440	3640	f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe	96
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 2608	4440	winupd.exe	100
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 4440 wrote to memory of 4404	4440	winupd.exe	101
PID 2608 wrote to memory of 4364	2608	winupd.exe	102
PID 2608 wrote to memory of 4364	2608	winupd.exe	102
PID 2608 wrote to memory of 4364	2608	winupd.exe	102
PID 2608 wrote to memory of 4364	2608	winupd.exe	102
PID 2608 wrote to memory of 4364	2608	winupd.exe	102

C:\Users\Admin\AppData\Local\Temp\f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe
"C:\Users\Admin\AppData\Local\Temp\f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Users\Admin\AppData\Local\Temp\f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe
  "C:\Users\Admin\AppData\Local\Temp\f998eebd42b69027db13dc886cc38eed498b06b29b81968efebe4a4b2c1c412cN.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3640
- - 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:4440
  - - 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:2608
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4364
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4364 -s 272
        6⤵
        Program crash
        
        PID:1628
  - - 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:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4364 -ip 4364
1⤵
PID:3684

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
3c66582b306dec829b2db04acc79e830

SHA1
ad2c881a7a8f05ba13496a329b4c37f08026da14

SHA256
936d1198148c5411b1292232960ffc44787eab73d812f5345a03bcc53b5c3d09

SHA512
f20b87776c730ba15c03387c0cb590eb59725d994eb203c6f7b0bd03fde06668396cde24fada6c85658081b03a5a20333da59050b157d5d46d67e54f76d7a0fc

Download Submit
memory/1356-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1356-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1356-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1356-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1356-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2608-43-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3640-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3640-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3640-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3640-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4404-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-34-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4404-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4440-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4440-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4440-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download