Overview

overview

7

Static

static

7

Chrome.exe

windows7-x64

7

Chrome.exe

windows10-1703-x64

7

Chrome.exe

windows10-2004-x64

7

Chrome.exe

windows11-21h2-x64

7

Resubmissions

30-07-2024 12:17

240730-pgdcvasfjf 10

30-07-2024 12:17

240730-pf9dwssfjb 7

30-07-2024 09:41

240730-lnrl9szhjf 10

Analysis

  • max time kernel
    55s
  • max time network
    58s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-07-2024 12:17

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General

  • Target

    Chrome.exe

  • Size

    4.6MB

  • MD5

    d64c8e67eaa9bb5b648f7aa4731c2924

  • SHA1

    81d7eec4135a2cde0d29bf651eb3b8e1f4093a93

  • SHA256

    a58b7bd1380f220770408e33f43bdac4ab0bfe336e101484100915bf0518e794

  • SHA512

    1df2e7066fa804f992edb9f7e15256ab2348a0eb42068de9b987806b220e2ffc6736762fc9b4c37c6277738ca6983e8357d9b8aa6a63317d09a8fac6f54427d4

  • SSDEEP

    98304:jDN3JGPpKZ9AaI7S2DLpKNbEoH6ErTQyQzPm1XUxIyiVni:jJ34UwF7S2DLpKNEoHj58PDxdii

Score
7/10
aspackv2discoveryevasionpersistencetrojanupx

Malware Config

Signatures

  • ASPack v2.12-2.42 1 IoCs

    Detects executables packed with ASPack v2.12-2.42

    aspackv2
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
    evasiontrojan
  • 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 4 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Chrome.exe
    "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2712
    • C:\Program Files (x86)\uzj.exe
      "C:\Program Files (x86)\uzj.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Users\Public\Documents\sougou\PTvrst.exe
        C:\Users\Public\Documents\sougou\PTvrst.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2984
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\uzj.exe
    Filesize

    3.4MB

    MD5

    175d6f3e75b3cecdc5633ae0524ef496

    SHA1

    745459089543ef9e523af038064085b2e4af0fee

    SHA256

    033f23eac17d2a06675459abe2ded52b42f29cfa720c2ccfb507bac2d38988f0

    SHA512

    5f32dba9ad45cbc6845bfe4f25102947c103072a4258e7e10dd94c888c180fa5d23e80091a5e6b43c7aaa5976133ac83ea17656e4b9c0d2ee1eca8ef5dcdc79f

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\7ZSfx000.cmd
    Filesize

    184B

    MD5

    a994798dc8a4e132599c71a27a3e5fed

    SHA1

    77a1dd9802e75e2a576a7ce7d0205d38ebafda4e

    SHA256

    b579bef02bd91e9b29bcad36144ba04588585614bfcef60c6feb67bf4982b185

    SHA512

    9b398669b1f1a300e609cdfcfd430214dfbe13c0f822e1d34ae9a7171c51e18a3f2781107c7ace5c0dbf47b26a9e70b9fd93acd345ee9ded9c235ac9058ce154

    Download Submit

  • memory/220-18-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/220-17-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/220-19-0x0000000000401000-0x00000000004C4000-memory.dmp

    Filesize

    780KB

    Download

  • memory/220-16-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/220-24-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/220-36-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/220-15-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/2712-0-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

    Download

  • memory/2712-23-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

    Download

  • memory/2712-43-0x0000000000400000-0x000000000042D000-memory.dmp

    Filesize

    180KB

    Download

  • memory/2984-28-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/2984-32-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download

  • memory/2984-34-0x0000000000400000-0x0000000000A13000-memory.dmp

    Filesize

    6.1MB

    Download