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Analysis

  • max time kernel
    151s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    27/11/2022, 04:56

General

  • Target

    4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879.exe

  • Size

    283KB

  • MD5

    2fd3124d005d926474b37989e761b5d7

  • SHA1

    7672db2950da80660eb40e5715c42b6a0d55cff8

  • SHA256

    4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879

  • SHA512

    cf3cffe8dd67473c8cdf4b76cf4126623ed5b8a460f6c8236bde992c28a3a94e49464fb649cfdd36870b7878f160740f381a15ed4ed2c09cd976a3b833ab34ec

  • SSDEEP

    6144:Ty2np1+qX4GIELmfaPPeSm/FGPOG/bKux27:Ty2nP+qX43E6CPPeSmGpxc

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879.exe
    "C:\Users\Admin\AppData\Local\Temp\4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\AppData\Roaming\svhost.exe
      "C:\Users\Admin\AppData\Roaming\svhost.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:936
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\svhost.exe

    Filesize

    283KB

    MD5

    2fd3124d005d926474b37989e761b5d7

    SHA1

    7672db2950da80660eb40e5715c42b6a0d55cff8

    SHA256

    4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879

    SHA512

    cf3cffe8dd67473c8cdf4b76cf4126623ed5b8a460f6c8236bde992c28a3a94e49464fb649cfdd36870b7878f160740f381a15ed4ed2c09cd976a3b833ab34ec

  • C:\Users\Admin\AppData\Roaming\svhost.exe

    Filesize

    283KB

    MD5

    2fd3124d005d926474b37989e761b5d7

    SHA1

    7672db2950da80660eb40e5715c42b6a0d55cff8

    SHA256

    4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879

    SHA512

    cf3cffe8dd67473c8cdf4b76cf4126623ed5b8a460f6c8236bde992c28a3a94e49464fb649cfdd36870b7878f160740f381a15ed4ed2c09cd976a3b833ab34ec

  • \Users\Admin\AppData\Roaming\svhost.exe

    Filesize

    283KB

    MD5

    2fd3124d005d926474b37989e761b5d7

    SHA1

    7672db2950da80660eb40e5715c42b6a0d55cff8

    SHA256

    4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879

    SHA512

    cf3cffe8dd67473c8cdf4b76cf4126623ed5b8a460f6c8236bde992c28a3a94e49464fb649cfdd36870b7878f160740f381a15ed4ed2c09cd976a3b833ab34ec

  • \Users\Admin\AppData\Roaming\svhost.exe

    Filesize

    283KB

    MD5

    2fd3124d005d926474b37989e761b5d7

    SHA1

    7672db2950da80660eb40e5715c42b6a0d55cff8

    SHA256

    4a3a4dcda0532f1521ae8ebe5efe7ae77c0e51b03c85e46edbc08c9e012ad879

    SHA512

    cf3cffe8dd67473c8cdf4b76cf4126623ed5b8a460f6c8236bde992c28a3a94e49464fb649cfdd36870b7878f160740f381a15ed4ed2c09cd976a3b833ab34ec

  • memory/936-65-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/936-66-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/936-67-0x0000000002146000-0x0000000002157000-memory.dmp

    Filesize

    68KB

  • memory/936-68-0x0000000002146000-0x0000000002157000-memory.dmp

    Filesize

    68KB

  • memory/1676-54-0x0000000075C81000-0x0000000075C83000-memory.dmp

    Filesize

    8KB

  • memory/1676-55-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB

  • memory/1676-62-0x0000000074BB0000-0x000000007515B000-memory.dmp

    Filesize

    5.7MB