Analysis

  • max time kernel
    135s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-07-2024 06:48

General

  • Target

    ecc0875b6f8ee2c3f8a2a6f89878ae855fa4f927ee5eb95f74a1c9c121c28119.exe

  • Size

    1.7MB

  • MD5

    6b4c31ed187d3cb945cb31fd46945550

  • SHA1

    d5c1ffd9fa85a5f94acfb7ac35d31c9cc9f2de05

  • SHA256

    ecc0875b6f8ee2c3f8a2a6f89878ae855fa4f927ee5eb95f74a1c9c121c28119

  • SHA512

    6aa3dd5702e5f4d6d6da74f4baa45e9a992a815f7cb63b179d4a5a0ea33183a3e21e7687f78cb8f4f8a65c2fd67cd3d22e1ea5b8ca1458e69e992074b86bae4c

  • SSDEEP

    49152:mkp1T0pn6D783K0ctdvgfJaJ6bqwm4FM+Lb:/p1T0pn843K0ctdIfkJGG+Lb

Malware Config

Signatures

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 6 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Windows security modification 2 TTPs 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ecc0875b6f8ee2c3f8a2a6f89878ae855fa4f927ee5eb95f74a1c9c121c28119.exe
    "C:\Users\Admin\AppData\Local\Temp\ecc0875b6f8ee2c3f8a2a6f89878ae855fa4f927ee5eb95f74a1c9c121c28119.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Windows security modification
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2404
    • C:\Users\Admin\AppData\Local\Temp\BnOGNo.exe
      C:\Users\Admin\AppData\Local\Temp\BnOGNo.exe
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2964
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\27e36eb9.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\I0E3LJN0\k2[1].rar

    Filesize

    4B

    MD5

    d3b07384d113edec49eaa6238ad5ff00

    SHA1

    f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

    SHA256

    b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

    SHA512

    0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

  • C:\Users\Admin\AppData\Local\Temp\27e36eb9.bat

    Filesize

    187B

    MD5

    73953e39318e04a57d359e797e6027d3

    SHA1

    f7fe64c72bdbe09d5deeb643569296974b883f44

    SHA256

    a1a5adc91830fadd120a8f3c003f8e73e4d9f176779be1590c46a6c34f957e8d

    SHA512

    ef3b0104a02366f391717d07af35926b5ff6e1668325ce909b6322466557b48eb60b51897244d8fdb3a9153bf3dbb4a178bf791f860066a2faea800567a2a689

  • C:\Users\Admin\AppData\Local\Temp\40352442.exe

    Filesize

    4B

    MD5

    20879c987e2f9a916e578386d499f629

    SHA1

    c7b33ddcc42361fdb847036fc07e880b81935d5d

    SHA256

    9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

    SHA512

    bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

  • C:\Users\Admin\AppData\Local\Temp\BnOGNo.exe

    Filesize

    15KB

    MD5

    f7d21de5c4e81341eccd280c11ddcc9a

    SHA1

    d4e9ef10d7685d491583c6fa93ae5d9105d815bd

    SHA256

    4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

    SHA512

    e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

  • memory/2404-0-0x0000000000370000-0x00000000007E0000-memory.dmp

    Filesize

    4.4MB

  • memory/2404-7-0x0000000000370000-0x00000000007E0000-memory.dmp

    Filesize

    4.4MB

  • memory/2404-8-0x0000000000370000-0x00000000007E0000-memory.dmp

    Filesize

    4.4MB

  • memory/2404-53-0x0000000000370000-0x00000000007E0000-memory.dmp

    Filesize

    4.4MB

  • memory/2964-5-0x0000000000450000-0x0000000000459000-memory.dmp

    Filesize

    36KB

  • memory/2964-48-0x0000000000450000-0x0000000000459000-memory.dmp

    Filesize

    36KB