darkcomet | e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-12-2024 17:15

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General

Target

e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
Size

520KB
MD5

defa927413115841c913a0dc61e33ece
SHA1

bc20f836b27a4b743c27f46ed598a1e35bed7243
SHA256

e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec
SHA512

9a863e646167403c0bbd8345359e3386e87a3b45904d0f23867a4b25ab9060a940e81ebdbf4df3788be3eb8260dd27650c409cf945c16914d08f23b676296be4
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbG:f9fC3hh29Ya77A90aFtDfT5IMbG

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
2872	winupd.exe
2280	winupd.exe
2628	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2264	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
2264	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
2872	winupd.exe
2872	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-1-5-21-2703099537-420551529-3771253338-1000\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 2508 set thread context of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2872 set thread context of 2280	2872	winupd.exe	32
PID 2872 set thread context of 2628	2872	winupd.exe	33

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2628-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-54-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2628-95-0x0000000000400000-0x00000000004B7000-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	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	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.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
2676	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
828	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2628	winupd.exe
Token: SeSecurityPrivilege	2628	winupd.exe
Token: SeTakeOwnershipPrivilege	2628	winupd.exe
Token: SeLoadDriverPrivilege	2628	winupd.exe
Token: SeSystemProfilePrivilege	2628	winupd.exe
Token: SeSystemtimePrivilege	2628	winupd.exe
Token: SeProfSingleProcessPrivilege	2628	winupd.exe
Token: SeIncBasePriorityPrivilege	2628	winupd.exe
Token: SeCreatePagefilePrivilege	2628	winupd.exe
Token: SeBackupPrivilege	2628	winupd.exe
Token: SeRestorePrivilege	2628	winupd.exe
Token: SeShutdownPrivilege	2628	winupd.exe
Token: SeDebugPrivilege	2628	winupd.exe
Token: SeSystemEnvironmentPrivilege	2628	winupd.exe
Token: SeChangeNotifyPrivilege	2628	winupd.exe
Token: SeRemoteShutdownPrivilege	2628	winupd.exe
Token: SeUndockPrivilege	2628	winupd.exe
Token: SeManageVolumePrivilege	2628	winupd.exe
Token: SeImpersonatePrivilege	2628	winupd.exe
Token: SeCreateGlobalPrivilege	2628	winupd.exe
Token: 33	2628	winupd.exe
Token: 34	2628	winupd.exe
Token: 35	2628	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
2264	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
2872	winupd.exe
2280	winupd.exe
2628	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2508 wrote to memory of 2264	2508	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	30
PID 2264 wrote to memory of 2872	2264	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	31
PID 2264 wrote to memory of 2872	2264	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	31
PID 2264 wrote to memory of 2872	2264	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	31
PID 2264 wrote to memory of 2872	2264	e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe	31
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2280	2872	winupd.exe	32
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2872 wrote to memory of 2628	2872	winupd.exe	33
PID 2280 wrote to memory of 2676	2280	winupd.exe	34
PID 2280 wrote to memory of 2676	2280	winupd.exe	34
PID 2280 wrote to memory of 2676	2280	winupd.exe	34
PID 2280 wrote to memory of 2676	2280	winupd.exe	34
PID 2280 wrote to memory of 2676	2280	winupd.exe	34
PID 2280 wrote to memory of 2676	2280	winupd.exe	34
PID 2676 wrote to memory of 1996	2676	ipconfig.exe	36
PID 2676 wrote to memory of 1996	2676	ipconfig.exe	36
PID 2676 wrote to memory of 1996	2676	ipconfig.exe	36
PID 2676 wrote to memory of 1996	2676	ipconfig.exe	36
PID 1996 wrote to memory of 828	1996	cmd.exe	38
PID 1996 wrote to memory of 828	1996	cmd.exe	38
PID 1996 wrote to memory of 828	1996	cmd.exe	38
PID 1996 wrote to memory of 828	1996	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
"C:\Users\Admin\AppData\Local\Temp\e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Users\Admin\AppData\Local\Temp\e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe
  "C:\Users\Admin\AppData\Local\Temp\e692f3db818f09c9f3fbc18cd52ac1ed492fe83e5f54559814be58160e3b8eec.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2264
- - 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:2872
  - - 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:2280
    - - 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:2676
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FTPSVUWI.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1996
        
        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:828
  - - 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:2628

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\FTPSVUWI.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
bcaa7d450098aac87f8009ed9def3f3e

SHA1
0492ffc901ecf6503fd59a30ad811609da52b9cd

SHA256
5e7a9ef433562eac0b90647ba40b8143753c47d554ca321b45bd2f939ddea7aa

SHA512
cca7f6296dfb28fc4e55809ddcb1eb4edab742ebe978926b2716c4b8aa7373f2db5cea8f99a58471cd9a92216fdfbe11a3ea57195aafb2af7369e0865c4109da

Download Submit
memory/2264-15-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2264-9-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2264-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2264-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2264-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2264-67-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2280-82-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2508-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2508-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2508-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2508-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2508-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2628-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-54-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2628-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2676-71-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2872-63-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2872-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2872-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads