Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-01-2025 00:40

General

  • Target

    9bf329e7953beea80c3dbb8e26886f42b54b46e2f79af7f86ed14b8d9b63be33.exe

  • Size

    296KB

  • MD5

    cd33c4a8aaef3f7b498e0969a680e0f2

  • SHA1

    d21f8b6d0c039d048836ceb19be8242c254c79ad

  • SHA256

    9bf329e7953beea80c3dbb8e26886f42b54b46e2f79af7f86ed14b8d9b63be33

  • SHA512

    4a256aac97f158481df8ab6702182133fea84d5622ec51d3fb621ab761dd6356a7bae679d3d4fc7a5f7364c466dc48ded7adede64cc51195cab9d5f8dd4a9a58

  • SSDEEP

    3072:tg6pbDIqOnD6rdKRMvXs+oCTZG9QBNctlVeFAnhPQ12uDefLFmLf9WL5Bcxw6:5Ddrvv8O1Ga9qtH5mLfoAD

Malware Config

Extracted

Family

netwire

C2

wealthyman.brasilia.me:39560

Attributes
  • activex_autorun

    false

  • copy_executable

    false

  • delete_original

    false

  • host_id

    WEALTH

  • keylogger_dir

    %AppData%\music\

  • lock_executable

    false

  • offline_keylogger

    true

  • password

    sucess

  • registry_autorun

    false

  • use_mutex

    false

Signatures

  • NetWire RAT payload 3 IoCs
  • Netwire

    Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.

  • Netwire family
  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bf329e7953beea80c3dbb8e26886f42b54b46e2f79af7f86ed14b8d9b63be33.exe
    "C:\Users\Admin\AppData\Local\Temp\9bf329e7953beea80c3dbb8e26886f42b54b46e2f79af7f86ed14b8d9b63be33.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /TN "Evakostumet1" /TR "C:\Users\Admin\AppData\Roaming\Haandevendingerne.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /run /tn "Evakostumet1"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:672
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {B98CD9BA-DD3D-425A-8FA9-09BF3AAEFEB8} S-1-5-21-312935884-697965778-3955649944-1000:MXQFNXLT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Users\Admin\AppData\Roaming\Haandevendingerne.exe
      C:\Users\Admin\AppData\Roaming\Haandevendingerne.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of UnmapMainImage
      PID:2484

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Haandevendingerne.exe

    Filesize

    296KB

    MD5

    9cf41d620b814126eb4aadfb76f3b663

    SHA1

    ef5dcc33db32f2c72080c96f4033e7d35e7d670d

    SHA256

    be31a42fc1025ed3b00cb91a080dce5496c35bde013bcaddc1adae46b76078f9

    SHA512

    e59da944ba6082da4b377924c6ca25dc19abab8f3421d0872e3a09ac88c823d54bb51e73b5d9054e8b621e47b5094f8dffe97474288743162b08430c04493769

  • C:\Windows\win.ini

    Filesize

    497B

    MD5

    80f15b158c49b73757d1dde727355db7

    SHA1

    212a5c033130af8e8254d2b7a4a6c8762628ec91

    SHA256

    0df5cecf65125ca8de5b8a599400bda1aa3700b43f9f73ac91c2261da7946368

    SHA512

    767af13228a26d8b8ff2dfdefa223045638df6e37d4e614274c425e2e70cd12125a933946da286c1375e892668decd732300e22d301b4c8087f887dabf13050a

  • memory/2328-212-0x0000000077890000-0x0000000077966000-memory.dmp

    Filesize

    856KB

  • memory/2484-429-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2484-430-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB

  • memory/2484-431-0x0000000072940000-0x0000000072A60000-memory.dmp

    Filesize

    1.1MB

  • memory/2484-432-0x0000000000400000-0x000000000042C000-memory.dmp

    Filesize

    176KB