Overview

overview

8

Static

static

3

ef2ffc4463...0N.exe

windows7-x64

8

ef2ffc4463...0N.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25-07-2024 19:29

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General

  • Target

    ef2ffc44631a228f3f04ea5836543580N.exe

  • Size

    75KB

  • MD5

    ef2ffc44631a228f3f04ea5836543580

  • SHA1

    05fab59debc4909762f4cea645d6b82266e91299

  • SHA256

    11fe6e15723bb33be6b7f060eace9fe08b4a05756915656fc45e780c2f124cb0

  • SHA512

    1f5413dfb421dcdb3cad127a9614627109c79896a4d1efd0e54c237e6d8b23012b04a61ce6d5c0c84185644dc6ebebc816eff9c4bdee99013b533b2bb7c4b4b3

  • SSDEEP

    1536:ux1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3s:OOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPE

Score
8/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef2ffc44631a228f3f04ea5836543580N.exe
    "C:\Users\Admin\AppData\Local\Temp\ef2ffc44631a228f3f04ea5836543580N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2164
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\satornas.dll
    Filesize

    183B

    MD5

    b17e038a9592d9e7fe5ab12a5728e37e

    SHA1

    8f7d8cb3276142124179cc377afe06f7922fae0b

    SHA256

    5e4c2587c7432ee449ae0b8ed8820c70d25c56fed5b5fba952cac2e362c2c342

    SHA512

    281046267ff88d60cd7b033cc89114f326ccdf5021a952d94974b3921dce74e9d7ba674183a8a24c869c64790620d679422813c791314fd12d5b95387f0a942d

    Download Submit

  • C:\Windows\SysWOW64\smnss.exe
    Filesize

    75KB

    MD5

    2e100688828825882c282652bae84774

    SHA1

    8a595d9421038c8a98d9262573bd601281dcad7c

    SHA256

    45d070f49dd73b3a584699111ce2c1165efb18b1dc953cf285976fb980287ce0

    SHA512

    97734bd602969c034f098aa2823524063024e080e0ea5673f2fc6dc930ffe5e0159b0d646cf87fdcabef0e55d7df9873a0bdab12785e11b00c49ada8efdeb5fd

    Download Submit

  • \Windows\SysWOW64\ctfmen.exe
    Filesize

    4KB

    MD5

    4e20b85b23cf6ac91ac4b628b78fe587

    SHA1

    56211653885f61156890cd9481e955458749c47d

    SHA256

    d525106aa699ba3e4532ee7777e9f1cae7b522df6f2866584c9d364d28588c76

    SHA512

    83f43c8eff03b8218291492add855bd435a4a0079f9143f1f68310cee688987c1676c34cd52528ef9e942e1eb9a4e93feaebaa99ae70499e0787999a0dfb3dda

    Download Submit

  • \Windows\SysWOW64\shervans.dll
    Filesize

    8KB

    MD5

    8546992d22fe465be701e5a0768aa573

    SHA1

    7a6687d95d7f370644db5d2cd983789a56188d1d

    SHA256

    eeaa7dc03a3cabe6f6087e7d138d12e460571ec530d42ad2bea6a8286c27af7c

    SHA512

    7c269467d5e7503ed88ff01f3f8cb680459bfa72c3e2e475ce43cf443d5d616affd3917b02d458d703555bfeb4d312f803832dfd205e98d0a771a376f46c1c4b

    Download Submit

  • memory/2164-30-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

    Download

  • memory/2632-15-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2632-24-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2632-22-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-41-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-39-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-38-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

    Download

  • memory/2712-43-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-45-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-47-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-49-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-51-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-53-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-55-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-57-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download

  • memory/2712-59-0x0000000000400000-0x000000000041C000-memory.dmp

    Filesize

    112KB

    Download