Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 01:21

General

  • Target

    a5ff4846c69815fc36301e12232f855a46bc3ff92f7bc47884e375e180eebf18.exe

  • Size

    38KB

  • MD5

    3f0a54bc9f220bc9c8bbd7fc7f584154

  • SHA1

    b82a32eff58844b74e0f6028ad679d4d7c0c831a

  • SHA256

    a5ff4846c69815fc36301e12232f855a46bc3ff92f7bc47884e375e180eebf18

  • SHA512

    8b854eac67aecd10ef6044b79dc64daff2afe1a776d1d093fccb349ce269e88462c7cd0c55de0251084c5248b25253394630851b7af6fb69d83b4b776168ae4f

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITElz:qDdFJy3QMOtEvwDpjjWMl7TE5

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5ff4846c69815fc36301e12232f855a46bc3ff92f7bc47884e375e180eebf18.exe
    "C:\Users\Admin\AppData\Local\Temp\a5ff4846c69815fc36301e12232f855a46bc3ff92f7bc47884e375e180eebf18.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3200
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:628

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    38KB

    MD5

    3967fb52c5a691eb6110e63b5c349803

    SHA1

    ae69f45ad68534f065a6bb015ea9b3dcb9ab5bdc

    SHA256

    a11415793c1de9a3c52f1b50d1a98e4a628e4e00cc6908d0d9a7e1b0d76df5a2

    SHA512

    e557bde68412473ee62292e1e76ef3eeebbd7dbc184d17a537722935b1fade090d62756446c4836a949a2935625bf475f9b2dabf3a2912ed7dc541bba5282ea7

  • memory/628-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/628-26-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/628-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3200-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3200-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3200-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3200-3-0x0000000000710000-0x0000000000716000-memory.dmp

    Filesize

    24KB

  • memory/3200-18-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB