Analysis

  • max time kernel
    81s
  • max time network
    104s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    05/11/2022, 17:10

General

  • Target

    2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe

  • Size

    1.3MB

  • MD5

    b4ff2709a885a3153e9f2d4e4e7594af

  • SHA1

    cef1accb9764ff389d54ba27fa1b51bb32de6ec5

  • SHA256

    2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485

  • SHA512

    661fcca53566791877cdc696e6ff1b329a01fc26f228ffedf5443af0c1b2ee4f44caf5eaedf9e92ad6843d6fbbdbcb2ea1dec7dcdf11600e40c40358f5ac0ab7

  • SSDEEP

    24576:mp4MImR+4h0amz+paNf89ls6Qm5lsnvBxLFQntQO/oDsSr+9:ynRzh0amzQls6QqinvThTOQAj9

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Checks processor information in registry 2 TTPs 44 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe
    "C:\Users\Admin\AppData\Local\Temp\2b85198190588516a7f1299fe4841e4e3e635d8ea6aac51f73d48e113ac38485.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:2300
    • C:\Windows\syswow64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Blocklisted process makes network request
      PID:5040
    • C:\Windows\syswow64\rundll32.exe
      "C:\Windows\syswow64\rundll32.exe" "C:\Windows\syswow64\shell32.dll",#61
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      PID:2452
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2300 -s 956
      2⤵
      • Program crash
      PID:1688

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\Wffwew.tmp

          Filesize

          3.5MB

          MD5

          a7d875022bb5e3a34d034b947003d1b3

          SHA1

          5905ca93fea101ce80e5bf8925eb2a7eec1e333d

          SHA256

          bcdf4c540c4289f81c98448d0a4482a96522fb767ab6015e76288afce148226a

          SHA512

          f2b78a100cf0fa84909629b892e548d7ef9797621623a96aa75f15241d7350eecca117c3793056c30dc317ade8ecc0023c2b875516d9c25ac9bb0d880bb3149a

        • memory/2300-162-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-164-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-122-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-123-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-124-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-125-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-126-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-127-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-128-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-129-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-130-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-131-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-132-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-133-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-134-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-136-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-137-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-138-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-139-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-140-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-141-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-142-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-143-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-144-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-145-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-146-0x0000000002570000-0x0000000002695000-memory.dmp

          Filesize

          1.1MB

        • memory/2300-148-0x00000000026B0000-0x000000000297C000-memory.dmp

          Filesize

          2.8MB

        • memory/2300-149-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-150-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-147-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-152-0x0000000000400000-0x0000000000957000-memory.dmp

          Filesize

          5.3MB

        • memory/2300-151-0x0000000000400000-0x0000000000957000-memory.dmp

          Filesize

          5.3MB

        • memory/2300-153-0x0000000000400000-0x0000000000957000-memory.dmp

          Filesize

          5.3MB

        • memory/2300-165-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-155-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-156-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-157-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-158-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-159-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-160-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-161-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-120-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-121-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-163-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-154-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-166-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-167-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-168-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-169-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-170-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-171-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-172-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-174-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/2300-255-0x0000000002570000-0x0000000002695000-memory.dmp

          Filesize

          1.1MB

        • memory/2300-256-0x00000000026B0000-0x000000000297C000-memory.dmp

          Filesize

          2.8MB

        • memory/2300-257-0x0000000000400000-0x0000000000957000-memory.dmp

          Filesize

          5.3MB

        • memory/2300-401-0x0000000003240000-0x0000000003DA0000-memory.dmp

          Filesize

          11.4MB

        • memory/2300-278-0x0000000003240000-0x0000000003DA0000-memory.dmp

          Filesize

          11.4MB

        • memory/2452-353-0x0000000005290000-0x0000000005DF0000-memory.dmp

          Filesize

          11.4MB

        • memory/2452-400-0x0000000005290000-0x0000000005DF0000-memory.dmp

          Filesize

          11.4MB

        • memory/2452-399-0x0000000002E00000-0x0000000003840000-memory.dmp

          Filesize

          10.2MB

        • memory/2452-338-0x0000000002E00000-0x0000000003840000-memory.dmp

          Filesize

          10.2MB

        • memory/5040-183-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-231-0x00000000030B0000-0x00000000030B4000-memory.dmp

          Filesize

          16KB

        • memory/5040-184-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-186-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-187-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-188-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-176-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-181-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-179-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-229-0x0000000003090000-0x0000000003094000-memory.dmp

          Filesize

          16KB

        • memory/5040-230-0x00000000030A0000-0x00000000030A4000-memory.dmp

          Filesize

          16KB

        • memory/5040-189-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-232-0x00000000030C0000-0x00000000030C4000-memory.dmp

          Filesize

          16KB

        • memory/5040-233-0x00000000030D0000-0x00000000030D4000-memory.dmp

          Filesize

          16KB

        • memory/5040-175-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-180-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-182-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-185-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-178-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-177-0x0000000077A00000-0x0000000077B8E000-memory.dmp

          Filesize

          1.6MB

        • memory/5040-258-0x00000000030D0000-0x00000000030D4000-memory.dmp

          Filesize

          16KB