darkcomet | 2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02/01/2025, 21:11

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General

Target

2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
Size

520KB
MD5

5e0b2bc839de9893f2c78ecd5d53ab88
SHA1

588785a0d25f6a34e9fc1499364e10f9e0b83338
SHA256

2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492
SHA512

5b8556aaeaa8fb0c9626e546dc5f7a0b4f39a4e92b0973b4a896e0a595cf424a46d37024ccefed641c582d31ee448df95c77d07b2a2f52441d507f8ba3124a3d
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbq:f9fC3hh29Ya77A90aFtDfT5IMbq

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
4920	winupd.exe
1664	winupd.exe
628	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 552 set thread context of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 4920 set thread context of 1664	4920	winupd.exe	99
PID 4920 set thread context of 628	4920	winupd.exe	100

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/628-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-42-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/628-55-0x0000000000400000-0x00000000004B7000-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

pid	pid_target	Process	procid_target
4456	4472	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.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

pid	Process
4472	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	628	winupd.exe
Token: SeSecurityPrivilege	628	winupd.exe
Token: SeTakeOwnershipPrivilege	628	winupd.exe
Token: SeLoadDriverPrivilege	628	winupd.exe
Token: SeSystemProfilePrivilege	628	winupd.exe
Token: SeSystemtimePrivilege	628	winupd.exe
Token: SeProfSingleProcessPrivilege	628	winupd.exe
Token: SeIncBasePriorityPrivilege	628	winupd.exe
Token: SeCreatePagefilePrivilege	628	winupd.exe
Token: SeBackupPrivilege	628	winupd.exe
Token: SeRestorePrivilege	628	winupd.exe
Token: SeShutdownPrivilege	628	winupd.exe
Token: SeDebugPrivilege	628	winupd.exe
Token: SeSystemEnvironmentPrivilege	628	winupd.exe
Token: SeChangeNotifyPrivilege	628	winupd.exe
Token: SeRemoteShutdownPrivilege	628	winupd.exe
Token: SeUndockPrivilege	628	winupd.exe
Token: SeManageVolumePrivilege	628	winupd.exe
Token: SeImpersonatePrivilege	628	winupd.exe
Token: SeCreateGlobalPrivilege	628	winupd.exe
Token: 33	628	winupd.exe
Token: 34	628	winupd.exe
Token: 35	628	winupd.exe
Token: 36	628	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
1036	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
4920	winupd.exe
1664	winupd.exe
628	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 552 wrote to memory of 1036	552	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	94
PID 1036 wrote to memory of 4920	1036	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	95
PID 1036 wrote to memory of 4920	1036	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	95
PID 1036 wrote to memory of 4920	1036	2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe	95
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 1664	4920	winupd.exe	99
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 4920 wrote to memory of 628	4920	winupd.exe	100
PID 1664 wrote to memory of 4472	1664	winupd.exe	101
PID 1664 wrote to memory of 4472	1664	winupd.exe	101
PID 1664 wrote to memory of 4472	1664	winupd.exe	101
PID 1664 wrote to memory of 4472	1664	winupd.exe	101
PID 1664 wrote to memory of 4472	1664	winupd.exe	101

C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
"C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:552
- C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe
  "C:\Users\Admin\AppData\Local\Temp\2a1a8df37dbbac87d0cf4c9ab81e94562847ed60a688960a648fe16353bf0492.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1036
- - 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:4920
  - - 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:1664
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4472
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4472 -s 272
        6⤵
        Program crash
        
        PID:4456
  - - 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:628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4472 -ip 4472
1⤵
PID:2716

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
1b7fcdeb8d1294e71a0eaebbc1c5119f

SHA1
e5c1730ecd826aea23e24252dc2682024487be21

SHA256
c2c43b919588bfd3bdb22105ceae6e809154726a8eeb5e99bd9bfd7741db38eb

SHA512
8c96d12ee72f296fdc5ae5084e215303680a50dcd146aabe97fe92413b27c7c22252dee2bd85f226a8ac7772249babd245ef3f88ea52f047fb56d1f79bcdbd6c

Download Submit
memory/552-11-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/552-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/552-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/552-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/552-10-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/628-42-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/628-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/1036-12-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1036-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1036-22-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1036-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1036-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1664-43-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4920-38-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4920-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4920-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download