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Analysis

  • max time kernel
    150s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 16:14

General

  • Target

    4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe

  • Size

    140KB

  • MD5

    849ab737b936f40bc74b753164aa37a5

  • SHA1

    16f6b5e79699591ab9d357d129cb898ddcf1fb17

  • SHA256

    4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b

  • SHA512

    90b10256ee4a4fd02f85742661c2c6a768c4d72e0d78fcc41529707c7a9b0acd8a89660e29196b8bad1b4c97528d1396f92009e36e58172a9dc540381052bbd1

  • SSDEEP

    3072:K9Pp7FuHCxABX562J7fT4PE6fUeeYkLpE6H94oQZiEy/W9:kFufBJ1J7f8zkSOWL

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 54 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe
    "C:\Users\Admin\AppData\Local\Temp\4a15b14471581b28301516e08b3f7e6c030ffeaf88ce70638b27c6bd3215198b.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:960
    • C:\Users\Admin\pawun.exe
      "C:\Users\Admin\pawun.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1868

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\pawun.exe

    Filesize

    140KB

    MD5

    f43132296f39d29440a424b6dab53ddc

    SHA1

    ec524226bc5f3e4df3c2e7301d2e350c7479e48d

    SHA256

    d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993

    SHA512

    05351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061

  • C:\Users\Admin\pawun.exe

    Filesize

    140KB

    MD5

    f43132296f39d29440a424b6dab53ddc

    SHA1

    ec524226bc5f3e4df3c2e7301d2e350c7479e48d

    SHA256

    d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993

    SHA512

    05351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061

  • \Users\Admin\pawun.exe

    Filesize

    140KB

    MD5

    f43132296f39d29440a424b6dab53ddc

    SHA1

    ec524226bc5f3e4df3c2e7301d2e350c7479e48d

    SHA256

    d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993

    SHA512

    05351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061

  • \Users\Admin\pawun.exe

    Filesize

    140KB

    MD5

    f43132296f39d29440a424b6dab53ddc

    SHA1

    ec524226bc5f3e4df3c2e7301d2e350c7479e48d

    SHA256

    d255d5acde392b8ab8ab317e340740c48db856a43b9a34af2eeb9a39967b2993

    SHA512

    05351833c3ab26fd33ca6b9ed11fcc5a4b602f908e80a758168342eecff430e5695ac00cb573cde901236cf3200873b2bee61a8cfaa2c966478878bd5d82d061

  • memory/960-56-0x00000000757A1000-0x00000000757A3000-memory.dmp

    Filesize

    8KB