Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 14:42

General

  • Target

    2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf.exe

  • Size

    307KB

  • MD5

    b0f08d9de0d528bb062c88823736ddd9

  • SHA1

    df9e0f82de3f34577308777948457b415983ba55

  • SHA256

    2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf

  • SHA512

    008ae39666a33fb61aadd86bf9c8a8597ae64369eb30d5c978a80d02150f0cb9d737c5e4478f22ed0d60d59ea89f03a53b4ac8bfc2baf811d3db4a42c08b2231

  • SSDEEP

    6144:/Q8JAySHpBXUq6kzQSnlWwsqha2MEF+t88ofHBtG:jAz8q6kzQOpi88eB0

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf.exe
    "C:\Users\Admin\AppData\Local\Temp\2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2000 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf.exe" & start C:\Users\Admin\AppData\Local\otyqdzf.exe -f
      2⤵
      • Deletes itself
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1756
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 2000
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1316
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • Runs ping.exe
        PID:2012
      • C:\Users\Admin\AppData\Local\otyqdzf.exe
        C:\Users\Admin\AppData\Local\otyqdzf.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        PID:1204

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\otyqdzf.exe

    Filesize

    307KB

    MD5

    b0f08d9de0d528bb062c88823736ddd9

    SHA1

    df9e0f82de3f34577308777948457b415983ba55

    SHA256

    2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf

    SHA512

    008ae39666a33fb61aadd86bf9c8a8597ae64369eb30d5c978a80d02150f0cb9d737c5e4478f22ed0d60d59ea89f03a53b4ac8bfc2baf811d3db4a42c08b2231

  • C:\Users\Admin\AppData\Local\otyqdzf.exe

    Filesize

    307KB

    MD5

    b0f08d9de0d528bb062c88823736ddd9

    SHA1

    df9e0f82de3f34577308777948457b415983ba55

    SHA256

    2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf

    SHA512

    008ae39666a33fb61aadd86bf9c8a8597ae64369eb30d5c978a80d02150f0cb9d737c5e4478f22ed0d60d59ea89f03a53b4ac8bfc2baf811d3db4a42c08b2231

  • \Users\Admin\AppData\Local\otyqdzf.exe

    Filesize

    307KB

    MD5

    b0f08d9de0d528bb062c88823736ddd9

    SHA1

    df9e0f82de3f34577308777948457b415983ba55

    SHA256

    2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf

    SHA512

    008ae39666a33fb61aadd86bf9c8a8597ae64369eb30d5c978a80d02150f0cb9d737c5e4478f22ed0d60d59ea89f03a53b4ac8bfc2baf811d3db4a42c08b2231

  • \Users\Admin\AppData\Local\otyqdzf.exe

    Filesize

    307KB

    MD5

    b0f08d9de0d528bb062c88823736ddd9

    SHA1

    df9e0f82de3f34577308777948457b415983ba55

    SHA256

    2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf

    SHA512

    008ae39666a33fb61aadd86bf9c8a8597ae64369eb30d5c978a80d02150f0cb9d737c5e4478f22ed0d60d59ea89f03a53b4ac8bfc2baf811d3db4a42c08b2231

  • \Users\Admin\AppData\Local\otyqdzf.exe

    Filesize

    307KB

    MD5

    b0f08d9de0d528bb062c88823736ddd9

    SHA1

    df9e0f82de3f34577308777948457b415983ba55

    SHA256

    2bdda4a49ab5fe426840d48207ef98cbab2cbcf39cabc53fda5e2412c325a8bf

    SHA512

    008ae39666a33fb61aadd86bf9c8a8597ae64369eb30d5c978a80d02150f0cb9d737c5e4478f22ed0d60d59ea89f03a53b4ac8bfc2baf811d3db4a42c08b2231

  • memory/1204-63-0x0000000000000000-mapping.dmp

  • memory/1204-68-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/1204-69-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/1316-58-0x0000000000000000-mapping.dmp

  • memory/1756-56-0x0000000000000000-mapping.dmp

  • memory/2000-57-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2000-55-0x0000000001000000-0x00000000010A5000-memory.dmp

    Filesize

    660KB

  • memory/2000-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp

    Filesize

    8KB

  • memory/2012-59-0x0000000000000000-mapping.dmp