Analysis

  • max time kernel
    142s
  • 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
    26-01-2024 10:35

General

  • Target

    77218341abf88ffb693c57cb9e66079b.exe

  • Size

    2.6MB

  • MD5

    77218341abf88ffb693c57cb9e66079b

  • SHA1

    a7114120523b72ffddb99bc42e2b823471b9b7f3

  • SHA256

    9a072ad6ac40fdca60661a57e23061e4f70b066523f45ce0590c78813542ec82

  • SHA512

    f10325a6b8a74c3bece396e755877582a8dd7b7545cc5787df6af625dd6a4510187c39181a25e85efaab56df6d58fe81cbfc95bb1eff8688c6986bbe4fbf0123

  • SSDEEP

    49152:ca90dbhbyzfg0O1RqUrfvah7YKCi8IVN3EJ4RfBBW41kmJj2RFay3:505ozrqZI4U0e43

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\77218341abf88ffb693c57cb9e66079b.exe
    "C:\Users\Admin\AppData\Local\Temp\77218341abf88ffb693c57cb9e66079b.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\77218341abf88ffb693c57cb9e66079b.exe
      C:\Users\Admin\AppData\Local\Temp\77218341abf88ffb693c57cb9e66079b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:1008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\77218341abf88ffb693c57cb9e66079b.exe

    Filesize

    2.6MB

    MD5

    ebbb62bc7051f3154c0844c4a472b55b

    SHA1

    ac4b8f9fdb6acb80b70d7f8b34fe9193b04b4914

    SHA256

    d650c2a765e5d4a6d09649f9eba98a061f239610f5775d67f348c1b50f2ca0ac

    SHA512

    8dce86c74f280912e93c2dbe0fee786265a4a15de153b6052b15deb0de07e4ded57818a123b1b98d7d6e79365f3f2a07d010920d070aa456fd447afe1e594bcd

  • memory/1008-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1008-16-0x0000000002160000-0x00000000023BA000-memory.dmp

    Filesize

    2.4MB

  • memory/1008-31-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2944-1-0x0000000002130000-0x000000000238A000-memory.dmp

    Filesize

    2.4MB

  • memory/2944-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2944-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/2944-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB