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Overview

overview

10

Static

static

10

a8797694cd...0f.exe

windows7-x64

9

a8797694cd...0f.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/04/2024, 02:07

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General

  • Target

    a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f.exe

  • Size

    1.9MB

  • MD5

    6c359b235f8f257003417243c9a5e5ab

  • SHA1

    bc03fba52ed6d1d299ec97930399ce98d73ba056

  • SHA256

    a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f

  • SHA512

    83f20a4c18e2ade5f5bb06f0c97abf619f1ae2dcb9e3248956e8df1d812f6ce3b732112667e7c39e89d1fbd60740ea736e1ee1f3187cc971f64fe250e6a5e099

  • SSDEEP

    49152:xq7BRKUfISWebvKrw0TFKSiwRTW/03SJxsP:xq7DKUfLbCpxiwRK/MVP

Score
9/10
persistencespywarestealerupx

Malware Config

Signatures

  • Detects executables containing possible sandbox analysis VM usernames 5 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.

    spywarestealer
  • UPX packed file 7 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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\a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f.exe
    "C:\Users\Admin\AppData\Local\Temp\a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f.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:4636
    • C:\Users\Admin\AppData\Local\Temp\a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f.exe
      "C:\Users\Admin\AppData\Local\Temp\a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f.exe"
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1540
      • C:\Users\Admin\AppData\Local\Temp\a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f.exe
        "C:\Users\Admin\AppData\Local\Temp\a8797694cda07fca8c4fd7e7109e95001995ffaeb55aed0c484f950d78284e0f.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\blowjob big .zip.exe
    Filesize

    1.5MB

    MD5

    2862ceffbe50996ce4a7b9b4278052a0

    SHA1

    96f458f15093f03408457347e73c05cb58588791

    SHA256

    e0a6e374e98647ff02a780ac4c3cec2d35b8c6c977bbaa3dc5a3968b1ceb4779

    SHA512

    ec8c85bd1e5e8f1d56ca9ee5519538980e3fdb940fa8dd4b20ef7d67595aead5440dc7204e2a1ea5cdad036f03aae832267848be41abcf3afc7e22c7efdff17f

    Download Submit

  • memory/1540-122-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download

  • memory/1540-188-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4636-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4636-186-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download

  • memory/5108-165-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download

  • memory/5108-189-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download