Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 02:41

General

  • Target

    2f5a4ef689e44124705c9f4c288e62ba7771b58e408aa9295db061eee333b8be_NeikiAnalytics.exe

  • Size

    520KB

  • MD5

    9796eb898d3dd8b1bb02fa21b3f653e0

  • SHA1

    4265029d07074436a1843c343a06f47f9d2c099b

  • SHA256

    2f5a4ef689e44124705c9f4c288e62ba7771b58e408aa9295db061eee333b8be

  • SHA512

    e63a634b40e227bfbd5cb7fe63425f3be30fa12929529e9e440453b9b19840508b20119ac8b84ea0cb73b40e3103633dedb833ceed8b47fda98c667fce14672a

  • SSDEEP

    6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbx:f9fC3hh29Ya77A90aFtDfT5IMbx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

C2

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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 26 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2f5a4ef689e44124705c9f4c288e62ba7771b58e408aa9295db061eee333b8be_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\2f5a4ef689e44124705c9f4c288e62ba7771b58e408aa9295db061eee333b8be_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1928
    • C:\Users\Admin\AppData\Local\Temp\2f5a4ef689e44124705c9f4c288e62ba7771b58e408aa9295db061eee333b8be_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\2f5a4ef689e44124705c9f4c288e62ba7771b58e408aa9295db061eee333b8be_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2188
      • 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
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2660
        • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2556
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe"
            5⤵
            • Gathers network information
            • Suspicious use of WriteProcessMemory
            PID:2396
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\KGUSJTML.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:2580
              • 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
                • Modifies registry key
                PID:2900
        • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2600

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\KGUSJTML.bat
    Filesize

    151B

    MD5

    cac890d00365d07b9ca89def17cc3a36

    SHA1

    6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

    SHA256

    4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

    SHA512

    124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

  • \Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    Filesize

    520KB

    MD5

    b08d51cd0c63ca631317c638e5f61159

    SHA1

    eca842e20dd46157b5f955ca18fff57d3c6ed899

    SHA256

    0d593b3b01a2ffb97936a20ae733457171a6bdf3325eec445ee5a78f99d1567d

    SHA512

    4e8bae101d3c024105104388fddaf3ff12d2c14404dfb5b7db0a61666faf253876d476d06a335f45d3deb0b5cb286f7cace80979ec3005ac081513449e82b1f7

  • memory/1928-19-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/1928-20-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/1928-2-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1928-21-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1928-15-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/2188-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2188-22-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2188-5-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2188-13-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2188-7-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2188-3-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2188-67-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2396-71-0x0000000000080000-0x0000000000081000-memory.dmp
    Filesize

    4KB

  • memory/2556-80-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2600-73-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-82-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-59-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-56-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-54-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-52-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-61-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-96-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-75-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-78-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-77-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-64-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-95-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-76-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-74-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-94-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-83-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-84-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-85-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-86-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-87-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-88-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-89-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-90-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-91-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-92-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2600-93-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2660-62-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/2660-36-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/2660-63-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB