Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 22:57

General

  • Target

    84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac.exe

  • Size

    112KB

  • MD5

    dea6a21fca8d03e7b71eabcceb7c2c41

  • SHA1

    6e515ce39ae5853af1680de5e435e72e6577b652

  • SHA256

    84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac

  • SHA512

    c3f2e58444645ac62ae137a8d974bf9862967ec689f3b123992a82e1a9d5f2f1dbc7c4ba1faad42b08e2417b5a22f59fea71d614c632b77fbffdcacb033a57d4

  • SSDEEP

    1536:t1RVCaKgzbLc54hukfgvYnouy8HY3mx3D4EsLB2Q1M1BIsDYG:t/jbLl/gvQoutHY44psQ1M1aWYG

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 4 IoCs
  • UPX dump on OEP (original entry point) 7 IoCs
  • 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 7 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 System32 directory 12 IoCs
  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 64 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac.exe
    "C:\Users\Admin\AppData\Local\Temp\84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac.exe
      "C:\Users\Admin\AppData\Local\Temp\84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3596
      • C:\Users\Admin\AppData\Local\Temp\84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac.exe
        "C:\Users\Admin\AppData\Local\Temp\84f1eb2052698e0b24f256af1ca48fbbc44ce217377a35b24790b3feb73427ac.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:920

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.9MB

    MD5

    60e2a23d1b8033ba97b275c4d4ca47e9

    SHA1

    c0742c1f7b2ba5f4f64eb6aff9d3431f6253708e

    SHA256

    88e168435dbb98016844ca1746f5b7da0c524dbcf0a2b2273539b4ff88806d3c

    SHA512

    94d132298d2c2b02bde3a2c16ca7503dea5d8b3b2b859b6b052809a26ad2e87ea79aecac1fa1b7982dffc6e56d64e12a84cbb889d4b96ff36cf009206d4ae03a

  • memory/920-163-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/920-193-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2044-0-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2044-190-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3596-38-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/3596-191-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB