Resubmissions

26-10-2022 15:48

221026-s8611sgbd7 7

Analysis

  • max time kernel
    299s
  • max time network
    302s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-en
  • resource tags

    arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-10-2022 15:48

General

  • Target

    5eb6f40321075392ebdeca3c270b0d41f3a338bb0cc293ab37baa88c6e9142bf.exe

  • Size

    652KB

  • MD5

    b22b9ddc22199e16c056ec2e877f7713

  • SHA1

    d4326864f2f9b71a8eb8838f97e5a60b40129090

  • SHA256

    5eb6f40321075392ebdeca3c270b0d41f3a338bb0cc293ab37baa88c6e9142bf

  • SHA512

    3f3922483ce192da11bb5a2c0291614284ccdae904577154f962a9dd9c863c96d1a17047cbf078e9d4b4f4fddcf42076754cad2854f1494dd074d3f0b5bc6c69

  • SSDEEP

    12288:TOiToJJCtSYpKrir+duA1hc/3395KcZnY4UKwp7hqq:T1Sg1+ccH16F4cUN6q

Score
7/10

Malware Config

Signatures

  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5eb6f40321075392ebdeca3c270b0d41f3a338bb0cc293ab37baa88c6e9142bf.exe
    "C:\Users\Admin\AppData\Local\Temp\5eb6f40321075392ebdeca3c270b0d41f3a338bb0cc293ab37baa88c6e9142bf.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4820
    • C:\Users\Admin\AppData\Local\Temp\5eb6f40321075392ebdeca3c270b0d41f3a338bb0cc293ab37baa88c6e9142bf.exe
      "C:\Users\Admin\AppData\Local\Temp\5eb6f40321075392ebdeca3c270b0d41f3a338bb0cc293ab37baa88c6e9142bf.exe"
      2⤵
      • Checks QEMU agent file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Modifies system certificate store
      PID:3424

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\nsu6D37.tmp\System.dll

    Filesize

    11KB

    MD5

    75ed96254fbf894e42058062b4b4f0d1

    SHA1

    996503f1383b49021eb3427bc28d13b5bbd11977

    SHA256

    a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7

    SHA512

    58174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4

  • memory/3424-179-0x0000000000403359-mapping.dmp

  • memory/3424-180-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/3424-182-0x0000000000400000-0x0000000001783000-memory.dmp

    Filesize

    19.5MB

  • memory/3424-184-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/3424-251-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/3424-234-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/3424-232-0x00007FFCC12A0000-0x00007FFCC147B000-memory.dmp

    Filesize

    1.9MB

  • memory/3424-207-0x0000000001790000-0x0000000001890000-memory.dmp

    Filesize

    1024KB

  • memory/3424-205-0x0000000001790000-0x0000000001890000-memory.dmp

    Filesize

    1024KB

  • memory/3424-187-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/3424-186-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/3424-185-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-148-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-155-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-126-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-127-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-128-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-129-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-130-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-131-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-132-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-133-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-134-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-135-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-136-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-137-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-138-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-139-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-140-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-141-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-142-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-143-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-144-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-145-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-146-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-124-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-147-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-149-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-151-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-150-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-152-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-153-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-154-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-125-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-156-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-157-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-158-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-159-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-160-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-161-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-163-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-162-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-164-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-165-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-166-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-167-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-169-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-171-0x0000000004850000-0x0000000004A13000-memory.dmp

    Filesize

    1.8MB

  • memory/4820-172-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-173-0x0000000004850000-0x0000000004A13000-memory.dmp

    Filesize

    1.8MB

  • memory/4820-174-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-175-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-176-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-177-0x00007FFCC12A0000-0x00007FFCC147B000-memory.dmp

    Filesize

    1.9MB

  • memory/4820-123-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-121-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-122-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-120-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-119-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-118-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-117-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-116-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-178-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB

  • memory/4820-181-0x0000000077200000-0x000000007738E000-memory.dmp

    Filesize

    1.6MB