Overview

overview

7

Static

static

3

StartSetup_20221.exe

windows7-x64

7

StartSetup_20221.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    146s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/10/2023, 15:43

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General

  • Target

    StartSetup_20221.exe

  • Size

    18.8MB

  • MD5

    563a6d6bd9a2e3ccfd04aa14d9b6822b

  • SHA1

    2aaaab6fa0f08486faa86eaba77cf1335fc21ab2

  • SHA256

    43bfcde336ad3d09844ce06d3a1836c595b31dc253ef5462370e052fa18f3a08

  • SHA512

    cbd085ec6297060fedcec14ab82587f5bbacc4dc4f883e559a3ec9bc0a38590054855b2c9150e5844e18e751b14faea6717ea008d3ed696a6afcca3af4db6979

  • SSDEEP

    393216:Hgax4KN25n11voYPfdjaK7BUl/1no+wfrAdoPR0z8:FMxRakQ2rjp0Y

Score
7/10
discoverypersistence

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\StartSetup_20221.exe
    "C:\Users\Admin\AppData\Local\Temp\StartSetup_20221.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4572
    • C:\Users\Admin\AppData\Local\Temp\StartSetup_20221.exe
      "C:\Users\Admin\AppData\Local\Temp\StartSetup_20221.exe" --pt
      2⤵
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4008
      • C:\Program Files (x86)\SurpriseccmUtility\SurprisezUtility.exe
        "C:\Program Files (x86)\SurpriseccmUtility\SurprisezUtility.exe"
        3⤵
        • Executes dropped EXE
        • Registers COM server for autorun
        • Drops file in Program Files directory
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    1.5MB

    MD5

    a6a0f7c173094f8dafef996157751ecf

    SHA1

    c0dcae7c4c80be25661d22400466b4ea074fc580

    SHA256

    b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

    SHA512

    965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94

    Download Submit

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

    1.5MB

    MD5

    a6a0f7c173094f8dafef996157751ecf

    SHA1

    c0dcae7c4c80be25661d22400466b4ea074fc580

    SHA256

    b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

    SHA512

    965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94

    Download Submit

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

    1.5MB

    MD5

    a6a0f7c173094f8dafef996157751ecf

    SHA1

    c0dcae7c4c80be25661d22400466b4ea074fc580

    SHA256

    b055fee85472921575071464a97a79540e489c1c3a14b9bdfbdbab60e17f36e4

    SHA512

    965d43f06d104bf6707513c459f18aaf8b049f4a043643d720b184ed9f1bb6c929309c51c3991d5aaff7b9d87031a7248ee3274896521abe955d0e49f901ac94

    Download Submit

  • memory/4008-2-0x0000000000C20000-0x0000000000C21000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4008-14-0x00000000005B0000-0x00000000009CC000-memory.dmp

    Filesize

    4.1MB

    Download

  • memory/4572-0-0x0000000001220000-0x0000000001221000-memory.dmp

    Filesize

    4KB

    Download

  • memory/4572-1-0x00000000005B0000-0x00000000009CC000-memory.dmp

    Filesize

    4.1MB

    Download