darkcomet | eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 03:59

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General

Target

eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
Size

520KB
MD5

7ea4a354c7c848972320054efd3c529a
SHA1

debd3e529067e549af4cad18133ca492ecdf9a06
SHA256

eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb
SHA512

1d596865ffe9c93b2ac1abc9f6fcdc1fd35b00690ca8dae9b3fd2dd33dbf68e5d9cc2eb759a6440bfb72aa49b37a816dcc823360612a8f70bf43a27ba37b0e31
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb9:f9fC3hh29Ya77A90aFtDfT5IMb9

Score

10^/10

darkcomet privateeye discovery persistence 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
2732	winupd.exe
2760	winupd.exe
2600	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2836	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
2836	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
2732	winupd.exe
2732	winupd.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2788 set thread context of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2732 set thread context of 2760	2732	winupd.exe	33
PID 2732 set thread context of 2600	2732	winupd.exe	34

UPX packed file 27 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2600-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-97-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2600-98-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 8 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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.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
2864	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2868	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2600	winupd.exe
Token: SeSecurityPrivilege	2600	winupd.exe
Token: SeTakeOwnershipPrivilege	2600	winupd.exe
Token: SeLoadDriverPrivilege	2600	winupd.exe
Token: SeSystemProfilePrivilege	2600	winupd.exe
Token: SeSystemtimePrivilege	2600	winupd.exe
Token: SeProfSingleProcessPrivilege	2600	winupd.exe
Token: SeIncBasePriorityPrivilege	2600	winupd.exe
Token: SeCreatePagefilePrivilege	2600	winupd.exe
Token: SeBackupPrivilege	2600	winupd.exe
Token: SeRestorePrivilege	2600	winupd.exe
Token: SeShutdownPrivilege	2600	winupd.exe
Token: SeDebugPrivilege	2600	winupd.exe
Token: SeSystemEnvironmentPrivilege	2600	winupd.exe
Token: SeChangeNotifyPrivilege	2600	winupd.exe
Token: SeRemoteShutdownPrivilege	2600	winupd.exe
Token: SeUndockPrivilege	2600	winupd.exe
Token: SeManageVolumePrivilege	2600	winupd.exe
Token: SeImpersonatePrivilege	2600	winupd.exe
Token: SeCreateGlobalPrivilege	2600	winupd.exe
Token: 33	2600	winupd.exe
Token: 34	2600	winupd.exe
Token: 35	2600	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
2836	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
2732	winupd.exe
2760	winupd.exe
2600	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2788 wrote to memory of 2836	2788	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	31
PID 2836 wrote to memory of 2732	2836	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	32
PID 2836 wrote to memory of 2732	2836	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	32
PID 2836 wrote to memory of 2732	2836	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	32
PID 2836 wrote to memory of 2732	2836	eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe	32
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2760	2732	winupd.exe	33
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2732 wrote to memory of 2600	2732	winupd.exe	34
PID 2760 wrote to memory of 2864	2760	winupd.exe	35
PID 2760 wrote to memory of 2864	2760	winupd.exe	35
PID 2760 wrote to memory of 2864	2760	winupd.exe	35
PID 2760 wrote to memory of 2864	2760	winupd.exe	35
PID 2760 wrote to memory of 2864	2760	winupd.exe	35
PID 2760 wrote to memory of 2864	2760	winupd.exe	35
PID 2864 wrote to memory of 1976	2864	ipconfig.exe	37
PID 2864 wrote to memory of 1976	2864	ipconfig.exe	37
PID 2864 wrote to memory of 1976	2864	ipconfig.exe	37
PID 2864 wrote to memory of 1976	2864	ipconfig.exe	37
PID 1976 wrote to memory of 2868	1976	cmd.exe	39
PID 1976 wrote to memory of 2868	1976	cmd.exe	39
PID 1976 wrote to memory of 2868	1976	cmd.exe	39
PID 1976 wrote to memory of 2868	1976	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
"C:\Users\Admin\AppData\Local\Temp\eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2788
- C:\Users\Admin\AppData\Local\Temp\eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe
  "C:\Users\Admin\AppData\Local\Temp\eaaa292d5dab7597d974f6e1a70bcd4de00e9e7865743e8b4e8ecfaae3d897eb.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2836
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2732
  - - 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:2760
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2864
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\EAWOUNDN.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1976
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2868
  - - 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:2600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\Local\Temp\EAWOUNDN.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
1dd8933b2d432199fb080832cb3e5289

SHA1
481d1daa7a1ac11ee21a8e9fc24d66678a40af26

SHA256
ad3ac380c680cc8d5c7cf22188cf5b233cd3b56abd31e027c91a6d4fe83f7b78

SHA512
3a58eb8c95833b2716212bb7be04857dcd3529b096a6b8f2dd232aa17842b4af209265c6990b3524b2b2739976880033febd6e222c0d4fbeb9d268ce89f790a7

Download Submit
memory/2600-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-98-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2600-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2732-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2732-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2732-67-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2760-82-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2788-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2788-16-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2788-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2788-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2836-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2836-70-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2836-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2836-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2836-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2836-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2864-71-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads