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Analysis

  • max time kernel
    190s
  • max time network
    198s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01/12/2022, 14:22

General

  • Target

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe

  • Size

    1.2MB

  • MD5

    451644aa5b271c3ddab56547d83b5144

  • SHA1

    ce65d3d09e32ce7928c117fa9f652708de2cb5c0

  • SHA256

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

  • SHA512

    c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

  • SSDEEP

    24576:pbeXU9l7Sz/Q9Th2G2ojLgFfPvV8jU/x:R34z6ThhbU/x

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SendNotifyMessage 8 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe
    "C:\Users\Admin\AppData\Local\Temp\af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\ProgramData\82656128\82656128.bat" "
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:340
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac.exe /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:676
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c start C:\PROGRA~3\82656128\82656128.exe /install
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:692
        • C:\PROGRA~3\82656128\82656128.exe
          C:\PROGRA~3\82656128\82656128.exe /install
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:784

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\PROGRA~3\82656128\82656128.exe

    Filesize

    1.2MB

    MD5

    451644aa5b271c3ddab56547d83b5144

    SHA1

    ce65d3d09e32ce7928c117fa9f652708de2cb5c0

    SHA256

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

    SHA512

    c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

  • C:\PROGRA~3\82656128\82656128.exe

    Filesize

    1.2MB

    MD5

    451644aa5b271c3ddab56547d83b5144

    SHA1

    ce65d3d09e32ce7928c117fa9f652708de2cb5c0

    SHA256

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

    SHA512

    c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

  • C:\ProgramData\82656128\82656128.bat

    Filesize

    322B

    MD5

    ea5759148f64c4ea382c61a2e591911d

    SHA1

    3b076384d5746462c03a21b998335c1d82e12243

    SHA256

    6f512030c2d0b57d0c44ff6c487f6bb6d3c3a918f1097ad4ec5a353188ccc0ab

    SHA512

    12513df52c9eb2970de1c7b82092758f6d425de2a432d29b245ee3f78eaeaf5a81915b7928038083aacf8ddfe2a20f0e7c9893861e43c7dd09f3008f146cef13

  • \PROGRA~3\82656128\82656128.exe

    Filesize

    1.2MB

    MD5

    451644aa5b271c3ddab56547d83b5144

    SHA1

    ce65d3d09e32ce7928c117fa9f652708de2cb5c0

    SHA256

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

    SHA512

    c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

  • \PROGRA~3\82656128\82656128.exe

    Filesize

    1.2MB

    MD5

    451644aa5b271c3ddab56547d83b5144

    SHA1

    ce65d3d09e32ce7928c117fa9f652708de2cb5c0

    SHA256

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

    SHA512

    c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

  • \PROGRA~3\82656128\82656128.exe

    Filesize

    1.2MB

    MD5

    451644aa5b271c3ddab56547d83b5144

    SHA1

    ce65d3d09e32ce7928c117fa9f652708de2cb5c0

    SHA256

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

    SHA512

    c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

  • \PROGRA~3\82656128\82656128.exe

    Filesize

    1.2MB

    MD5

    451644aa5b271c3ddab56547d83b5144

    SHA1

    ce65d3d09e32ce7928c117fa9f652708de2cb5c0

    SHA256

    af73ef4dae4990e1f509a1b394a6f0cd0250ef1a30071e263e746f6d255046ac

    SHA512

    c01e0d3e00e67c786dbd56dbf6d2e3070a4f29e49d6fb7194961f50fae064a1a416e291a28a496ba9d4cd78521d36f66c319979b04907a1b49a02e2afa7b8229

  • memory/784-66-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/784-67-0x00000000007A3000-0x00000000007A5000-memory.dmp

    Filesize

    8KB

  • memory/784-68-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB

  • memory/784-69-0x00000000007A3000-0x00000000007A5000-memory.dmp

    Filesize

    8KB

  • memory/1664-54-0x0000000075591000-0x0000000075593000-memory.dmp

    Filesize

    8KB

  • memory/1664-56-0x0000000000400000-0x00000000005DD000-memory.dmp

    Filesize

    1.9MB