Overview

overview

7

Static

static

3

a2b9608a8b...aN.exe

windows7-x64

7

a2b9608a8b...aN.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:07

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General

  • Target

    a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745aN.exe

  • Size

    37KB

  • MD5

    06d2f6a762a9c13e5cf8e5af06c7e060

  • SHA1

    83ce8f80f64265d996ebec278672dd9a085100db

  • SHA256

    a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745a

  • SHA512

    8a7c8571f24add3df8aa88c6cd7caa2d2446d4e7c3ebca1ab21e159c9cf65795a9dcf369a8492db7f4ac48feffdaf5da0a01729c7fda1bc2ead81102b7eadc27

  • SSDEEP

    768:b8kr2D6AKlLO+SNhBgCHDck4MV0ggv8KoETBB9D3xvjHhx4eC7Xj8Qc1J9:Y/6A0q5HDR4oWBx3xrBx41z8QcX9

Score
7/10
defense_evasiondiscovery

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 2 IoCs
    defense_evasion
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

    defense_evasion
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

    discovery
  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

    discovery
  • NTFS ADS 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745aN.exe
    "C:\Users\Admin\AppData\Local\Temp\a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745aN.exe"
    1⤵
    • Impair Defenses: Safe Mode Boot
    • Subvert Trust Controls: Mark-of-the-Web Bypass
    • System Location Discovery: System Language Discovery
    • NTFS ADS
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /d /c ping -n 2 127.0.0.1 > NUL & fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745aN.exe" & del "C:\Users\Admin\AppData\Local\Temp\a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745aN.exe" > NUL & exit
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 2 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:284
      • C:\Windows\SysWOW64\fsutil.exe
        fsutil file setzerodata offset=0 length=524288 "C:\Users\Admin\AppData\Local\Temp\a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745aN.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2652
  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__47bb3554681e635c\sbunattend.exe
    C:\ProgramData\Microsoft\v2.0_2.0.0.0__47bb3554681e635c\sbunattend.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2852

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\ProgramData\Microsoft\v2.0_2.0.0.0__47bb3554681e635c\sbunattend.exe
    Filesize

    37KB

    MD5

    06d2f6a762a9c13e5cf8e5af06c7e060

    SHA1

    83ce8f80f64265d996ebec278672dd9a085100db

    SHA256

    a2b9608a8b28505b5b9c4ba3a7106940abb4668480c02989e4f9e5458d99745a

    SHA512

    8a7c8571f24add3df8aa88c6cd7caa2d2446d4e7c3ebca1ab21e159c9cf65795a9dcf369a8492db7f4ac48feffdaf5da0a01729c7fda1bc2ead81102b7eadc27

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