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Analysis

  • max time kernel
    112s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/11/2022, 00:36

General

  • Target

    533f16a00d77e02b7d5a99c9e7fded1bb8764654f58aa56ef6a6979c1dc56bc4.exe

  • Size

    213KB

  • MD5

    3f83802b28a76223445ed1aee2f8cdf0

  • SHA1

    3d68789453f1c68ea396db44b322f0c57d92d66e

  • SHA256

    533f16a00d77e02b7d5a99c9e7fded1bb8764654f58aa56ef6a6979c1dc56bc4

  • SHA512

    06f0114cdc4c569a7907ce4abe7190c22a138d6658c36f96446fecafde9e6b5c94fa4ac39de5490792a3636654c563ed74005ca62effb048c6e8740b91e1ff85

  • SSDEEP

    1536:/5AiTLOQ74YDtnlN5UL09atT0mBBAragjSvIYFwAmd/olQpNuI:/53mQ7JtnP5I09qgmBBAWgjSvwN/olWT

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\533f16a00d77e02b7d5a99c9e7fded1bb8764654f58aa56ef6a6979c1dc56bc4.exe
    "C:\Users\Admin\AppData\Local\Temp\533f16a00d77e02b7d5a99c9e7fded1bb8764654f58aa56ef6a6979c1dc56bc4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:5044
    • C:\Program Files (x86)\b0fd3d68\jusched.exe
      "C:\Program Files (x86)\b0fd3d68\jusched.exe"
      2⤵
      • Executes dropped EXE
      PID:4244

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\b0fd3d68\b0fd3d68

    Filesize

    17B

    MD5

    4d77d6b250ffb567743b8dbcdad695b8

    SHA1

    d5a8f98f9433f6d36c74df463cef3e2cf524462d

    SHA256

    7ec7a3a23890c3592f5b762aecf11adbf8831fad11b8048aedfa7315d599c5f2

    SHA512

    5655153049101fd67125d484c81f1ad30b44f36f00e3aabfe8d730a21661f4b394357b60da549289def4311b4cc7bd508d8fd6b8db254cd442b2152f8902bd71

  • C:\Program Files (x86)\b0fd3d68\jusched.exe

    Filesize

    213KB

    MD5

    3b1b35d1ba1fb64882084d3877069d52

    SHA1

    886ca818fe4340e8c8358648408873b1b73433ca

    SHA256

    ad847c4f2ef02655207f7b8943ce2707340ca91436ee5f9a877acd3b6f906ea1

    SHA512

    479e34033d0b74218590d2d4a089e44596315f08c615e73c39ffb2f565a4c9aa00c99c91eda5f0691ea94bf1b0a4fed1fca376bc6a30319d53bacde626fe060d

  • C:\Program Files (x86)\b0fd3d68\jusched.exe

    Filesize

    213KB

    MD5

    3b1b35d1ba1fb64882084d3877069d52

    SHA1

    886ca818fe4340e8c8358648408873b1b73433ca

    SHA256

    ad847c4f2ef02655207f7b8943ce2707340ca91436ee5f9a877acd3b6f906ea1

    SHA512

    479e34033d0b74218590d2d4a089e44596315f08c615e73c39ffb2f565a4c9aa00c99c91eda5f0691ea94bf1b0a4fed1fca376bc6a30319d53bacde626fe060d

  • memory/4244-137-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/4244-139-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/5044-132-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/5044-136-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB