darkcomet | da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54

Analysis

max time kernel
120s
max time network
118s
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 02:28

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General

Target

da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe
Size

520KB
MD5

a266f8d1087fdb7528c2c62a998be548
SHA1

e4e313389b5ab5b452f5d7cd7c67a5aade214f4d
SHA256

da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54
SHA512

9832baeeb05a537a9778681d22c7e2f897081510cdc94a2b1c96ae1fa4d6d7c89f22f92b86c4c43dd2d74de28cf9789f8caeafa15fdd9bf515e7beeb48bc7e65
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbJ:f9fC3hh29Ya77A90aFtDfT5IMbJ

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
3448	winupd.exe
4960	winupd.exe
4484	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1100 set thread context of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 3448 set thread context of 4960	3448	winupd.exe	93
PID 3448 set thread context of 4484	3448	winupd.exe	94

UPX packed file 15 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4484-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-41-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/4484-51-0x0000000000400000-0x00000000004B7000-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
5112	944	WerFault.exe	95

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	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.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

pid	Process
944	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4484	winupd.exe
Token: SeSecurityPrivilege	4484	winupd.exe
Token: SeTakeOwnershipPrivilege	4484	winupd.exe
Token: SeLoadDriverPrivilege	4484	winupd.exe
Token: SeSystemProfilePrivilege	4484	winupd.exe
Token: SeSystemtimePrivilege	4484	winupd.exe
Token: SeProfSingleProcessPrivilege	4484	winupd.exe
Token: SeIncBasePriorityPrivilege	4484	winupd.exe
Token: SeCreatePagefilePrivilege	4484	winupd.exe
Token: SeBackupPrivilege	4484	winupd.exe
Token: SeRestorePrivilege	4484	winupd.exe
Token: SeShutdownPrivilege	4484	winupd.exe
Token: SeDebugPrivilege	4484	winupd.exe
Token: SeSystemEnvironmentPrivilege	4484	winupd.exe
Token: SeChangeNotifyPrivilege	4484	winupd.exe
Token: SeRemoteShutdownPrivilege	4484	winupd.exe
Token: SeUndockPrivilege	4484	winupd.exe
Token: SeManageVolumePrivilege	4484	winupd.exe
Token: SeImpersonatePrivilege	4484	winupd.exe
Token: SeCreateGlobalPrivilege	4484	winupd.exe
Token: 33	4484	winupd.exe
Token: 34	4484	winupd.exe
Token: 35	4484	winupd.exe
Token: 36	4484	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe
4632	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe
3448	winupd.exe
4960	winupd.exe
4484	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 1100 wrote to memory of 4632	1100	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	89
PID 4632 wrote to memory of 3448	4632	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	90
PID 4632 wrote to memory of 3448	4632	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	90
PID 4632 wrote to memory of 3448	4632	da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe	90
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4960	3448	winupd.exe	93
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 3448 wrote to memory of 4484	3448	winupd.exe	94
PID 4960 wrote to memory of 944	4960	winupd.exe	95
PID 4960 wrote to memory of 944	4960	winupd.exe	95
PID 4960 wrote to memory of 944	4960	winupd.exe	95
PID 4960 wrote to memory of 944	4960	winupd.exe	95
PID 4960 wrote to memory of 944	4960	winupd.exe	95

C:\Users\Admin\AppData\Local\Temp\da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe
"C:\Users\Admin\AppData\Local\Temp\da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1100
- C:\Users\Admin\AppData\Local\Temp\da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe
  "C:\Users\Admin\AppData\Local\Temp\da8b7400c560ffa402c051d820c245fe60922a49a3edb6db52a2a99112d46e54.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4632
- - 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:3448
  - - 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:4960
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:944
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 944 -s 272
        6⤵
        Program crash
        
        PID:5112
  - - 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:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 944 -ip 944
1⤵
PID:1456

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
aee8d71d6dbc3cf071c2da4557556976

SHA1
30dd963a0bd98685af7d7a37335be94dca34e674

SHA256
9cf0542bf3aeda3a942e0577408a6f7244eddb62f2b3fb94ca04b628be151f24

SHA512
3d9964b5923909f3f35e3bd5b4270a4f0f47ba44687cc689c198229000eeed2ab837cffed607a1a990d7e41b8ca55a397c5a44b62d1da832accb9aff128c51d4

Download Submit
memory/1100-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1100-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1100-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1100-10-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3448-22-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3448-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3448-26-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/4484-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-41-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4484-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/4632-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4632-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4632-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4632-19-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4960-42-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/4960-35-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download