Analysis

  • max time kernel
    148s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-05-2023 20:09

General

  • Target

    RFQ6782.exe

  • Size

    677KB

  • MD5

    6163f0bc2c9385442b7721cc094f70d2

  • SHA1

    df5ec794bd4b28977ab1588d369b923a3bfc9a23

  • SHA256

    7f21d669bfcadbcc424502486cb9bd10284124d3a0bfa7d9b32d4d515bad7290

  • SHA512

    a32f6172c807247ac58537eb460a6077c3ba1d5a714b6655ee5f0e1d7b46ce158f0162faaa4f9d293afc1a804207ef58862da45f5aa438192f308af29da669de

  • SSDEEP

    12288:Czt8QKGxDsX4ytI1LjDr/ek4jLlnpqbMfKn1FBWValMWXOE6vg19iLc:CzKQRxAmLjve/LpcMMAcVl84

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RFQ6782.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ6782.exe"
    1⤵
    • Checks QEMU agent file
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:4672
    • C:\Users\Admin\AppData\Local\Temp\RFQ6782.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ6782.exe"
      2⤵
      • Checks QEMU agent file
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      PID:1156

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsg4C5D.tmp\System.dll

    Filesize

    11KB

    MD5

    c9473cb90d79a374b2ba6040ca16e45c

    SHA1

    ab95b54f12796dce57210d65f05124a6ed81234a

    SHA256

    b80a5cba69d1853ed5979b0ca0352437bf368a5cfb86cb4528edadd410e11352

    SHA512

    eafe7d5894622bc21f663bca4dd594392ee0f5b29270b6b56b0187093d6a3a103545464ff6398ad32d2cf15dab79b1f133218ba9ba337ddc01330b5ada804d7b

  • memory/1156-146-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB

  • memory/1156-156-0x0000000000400000-0x0000000001654000-memory.dmp

    Filesize

    18.3MB