Analysis

  • max time kernel
    165s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/04/2024, 20:23

General

  • Target

    c72cac92e0e847aa8e4cc1e026764fb4.exe

  • Size

    85KB

  • MD5

    c72cac92e0e847aa8e4cc1e026764fb4

  • SHA1

    32cd7ab9c99d2a45d3ba4aa05ecb2b3dec0a729c

  • SHA256

    ab07488b99b6db4ff82740522c64ec8484046ed59f722cdaa0fe5eace1279b84

  • SHA512

    9710a3181ee18f3a09c705ec173f09f0fe020631018fb68e9e49281f29b8d737c353ec6ffaf8f17092ad75cb916b0064eac76683574a437c9e91f332bfd27eb5

  • SSDEEP

    1536:QRVCaKgzbLc54hukfgvYnouy8zV1Ayj4m/QWR/Rlq88vlnRqPR/1aViDRknJM2S/:YjbLl/gvQoutR1Tj4mYWR/R4nkPR/1a0

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 9 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 14 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe
    "C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:220
    • C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe
      "C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1060
      • C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe
        "C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1008
    • C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe
      "C:\Users\Admin\AppData\Local\Temp\c72cac92e0e847aa8e4cc1e026764fb4.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4852

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\lesbian big .zip.exe

          Filesize

          670KB

          MD5

          363793e809cf32540e1611f82dcc9bed

          SHA1

          95d381cd0433b22eeddd0609a1f993ba7ea0b771

          SHA256

          304919716eb6cd0d3c56b2137ee90c7007f29927d53567e2769491d824d669e8

          SHA512

          eb3383d28994148a40f5b5affb6989941abc50ba15a2773ca45169fdfe386377e5ef2635355e3b904e1073a0623206c0911512c0f37c5f8a73f238a93d573fc2

        • memory/220-0-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/220-33-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1008-12-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1008-40-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1060-9-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/1060-35-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4852-11-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/4852-39-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB