Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 00:05

General

  • Target

    21070b2549dc44761481835ee752a94f.exe

  • Size

    302KB

  • MD5

    21070b2549dc44761481835ee752a94f

  • SHA1

    c9592a8c247327f61f1c9f69267d9120627a0e28

  • SHA256

    fdac89708d2676acb700e4883f135f1e451ee58de459d8f84238923b3c0a831e

  • SHA512

    f890b4b8f44d0da7e5db7abe45fe14b068392cd1f30a2eb394a7a6f4c7877fe3150f62fd9757d869a2e918fd566db1297ced1a5af0f959a9dd995d693a998ad4

  • SSDEEP

    6144:G4dmhk6A/EFJNur106LMQDPdPOIuZ9nkfWbdoqKnFnmQ:GwmKREFJNEBwmXuPkfWBKnm

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21070b2549dc44761481835ee752a94f.exe
    "C:\Users\Admin\AppData\Local\Temp\21070b2549dc44761481835ee752a94f.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4424
    • C:\Users\Admin\AppData\Local\Temp\21070b2549dc44761481835ee752a94f.exe
      C:\Users\Admin\AppData\Local\Temp\21070b2549dc44761481835ee752a94f.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\21070b2549dc44761481835ee752a94f.exe

    Filesize

    302KB

    MD5

    b3ebed112de077658b9f3efa91fe3df2

    SHA1

    4b6156576b688b8da08a9e8f175518866efbb109

    SHA256

    b37fa61b31a9ab91360a0df206cb49a3823c47e2c65149116bcf56d586359355

    SHA512

    8b2692a494888d73e4270d55ed32c5fce5c7edf1de7a0bd71b8ff8d52dd50e57a1537b77e4617bb10c5d5696497b68598044d121a4c9843960d13db89a5417d2

  • memory/2904-13-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/2904-15-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2904-18-0x00000000014E0000-0x0000000001511000-memory.dmp

    Filesize

    196KB

  • memory/2904-30-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/4424-0-0x0000000000400000-0x00000000004E0000-memory.dmp

    Filesize

    896KB

  • memory/4424-1-0x0000000001520000-0x0000000001551000-memory.dmp

    Filesize

    196KB

  • memory/4424-2-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/4424-14-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB