Analysis

  • max time kernel
    94s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25/11/2022, 22:40

General

  • Target

    127ae91457531c754354fbd547709be7813bb1a938c88a09e22a799a6ce994d0.exe

  • Size

    538KB

  • MD5

    ae851d72eb0c2599249131df16ae90a7

  • SHA1

    b1f87dd3705143c842f77243b604df8329e400e2

  • SHA256

    127ae91457531c754354fbd547709be7813bb1a938c88a09e22a799a6ce994d0

  • SHA512

    f756619950c6087db1b788b53c38104abfd0466208bc8238b06b0b1139f2bc5cf0888ea9e643f5310dca6e20a55e3d21aa852751feb92196af741255f1a2ee08

  • SSDEEP

    12288:AS3GN74HkbibF+FTwJGOEvkITqPB9vPPDZ20CZ67VPBxzbyk+:AS3GN74HkbVFThtclZRPF2tePTCk+

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\127ae91457531c754354fbd547709be7813bb1a938c88a09e22a799a6ce994d0.exe
    "C:\Users\Admin\AppData\Local\Temp\127ae91457531c754354fbd547709be7813bb1a938c88a09e22a799a6ce994d0.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Loads dropped DLL
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\n4832\s4832.exe
      "C:\Users\Admin\AppData\Local\Temp\n4832\s4832.exe" ins.exe /d larry /u 52fe2c91-49dc-40b7-b209-1f140a000013 /h 8bd8fb.api.socdn.com /e 13278032 /v "C:\Users\Admin\AppData\Local\Temp\127ae91457531c754354fbd547709be7813bb1a938c88a09e22a799a6ce994d0.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4832\s4832.exe

    Filesize

    344KB

    MD5

    7ccd88f964df510ba141ca54bcedf0db

    SHA1

    a49006f5bec6e878611e914237b0de688fe95948

    SHA256

    c1334b9e5ac5cab6b49361adc15450ea16cdc185b7e82d301ed242742a7e8662

    SHA512

    1263dfa1306504fb2287b3bc62bb496555174840b7f68e3ac5a39e0769d4f721580f4257afd02c462ba6e8ef8bb79fb519f125b5b93b95e0689a18bf31d42220

  • C:\Users\Admin\AppData\Local\Temp\n4832\s4832.exe

    Filesize

    344KB

    MD5

    7ccd88f964df510ba141ca54bcedf0db

    SHA1

    a49006f5bec6e878611e914237b0de688fe95948

    SHA256

    c1334b9e5ac5cab6b49361adc15450ea16cdc185b7e82d301ed242742a7e8662

    SHA512

    1263dfa1306504fb2287b3bc62bb496555174840b7f68e3ac5a39e0769d4f721580f4257afd02c462ba6e8ef8bb79fb519f125b5b93b95e0689a18bf31d42220

  • \Users\Admin\AppData\Local\Temp\n4832\s4832.exe

    Filesize

    344KB

    MD5

    7ccd88f964df510ba141ca54bcedf0db

    SHA1

    a49006f5bec6e878611e914237b0de688fe95948

    SHA256

    c1334b9e5ac5cab6b49361adc15450ea16cdc185b7e82d301ed242742a7e8662

    SHA512

    1263dfa1306504fb2287b3bc62bb496555174840b7f68e3ac5a39e0769d4f721580f4257afd02c462ba6e8ef8bb79fb519f125b5b93b95e0689a18bf31d42220

  • \Users\Admin\AppData\Local\Temp\n4832\s4832.exe

    Filesize

    344KB

    MD5

    7ccd88f964df510ba141ca54bcedf0db

    SHA1

    a49006f5bec6e878611e914237b0de688fe95948

    SHA256

    c1334b9e5ac5cab6b49361adc15450ea16cdc185b7e82d301ed242742a7e8662

    SHA512

    1263dfa1306504fb2287b3bc62bb496555174840b7f68e3ac5a39e0769d4f721580f4257afd02c462ba6e8ef8bb79fb519f125b5b93b95e0689a18bf31d42220

  • \Users\Admin\AppData\Local\Temp\n4832\s4832.exe

    Filesize

    344KB

    MD5

    7ccd88f964df510ba141ca54bcedf0db

    SHA1

    a49006f5bec6e878611e914237b0de688fe95948

    SHA256

    c1334b9e5ac5cab6b49361adc15450ea16cdc185b7e82d301ed242742a7e8662

    SHA512

    1263dfa1306504fb2287b3bc62bb496555174840b7f68e3ac5a39e0769d4f721580f4257afd02c462ba6e8ef8bb79fb519f125b5b93b95e0689a18bf31d42220

  • \Users\Admin\AppData\Local\Temp\n4832\s4832.exe

    Filesize

    344KB

    MD5

    7ccd88f964df510ba141ca54bcedf0db

    SHA1

    a49006f5bec6e878611e914237b0de688fe95948

    SHA256

    c1334b9e5ac5cab6b49361adc15450ea16cdc185b7e82d301ed242742a7e8662

    SHA512

    1263dfa1306504fb2287b3bc62bb496555174840b7f68e3ac5a39e0769d4f721580f4257afd02c462ba6e8ef8bb79fb519f125b5b93b95e0689a18bf31d42220

  • memory/976-62-0x000007FEF4280000-0x000007FEF4CA3000-memory.dmp

    Filesize

    10.1MB

  • memory/976-63-0x000007FEF2FA0000-0x000007FEF4036000-memory.dmp

    Filesize

    16.6MB

  • memory/976-64-0x00000000009C6000-0x00000000009E5000-memory.dmp

    Filesize

    124KB

  • memory/976-65-0x000007FEEDF00000-0x000007FEEED8F000-memory.dmp

    Filesize

    14.6MB

  • memory/976-66-0x000007FEF1F20000-0x000007FEF220A000-memory.dmp

    Filesize

    2.9MB

  • memory/976-67-0x00000000009C6000-0x00000000009E5000-memory.dmp

    Filesize

    124KB

  • memory/976-68-0x00000000009C6000-0x00000000009E5000-memory.dmp

    Filesize

    124KB

  • memory/1492-54-0x0000000075B11000-0x0000000075B13000-memory.dmp

    Filesize

    8KB