Analysis

  • max time kernel
    150s
  • max time network
    180s
  • 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 12:47

General

  • Target

    36abc9a772188cbb0987aa02902f8c1a.exe

  • Size

    5.1MB

  • MD5

    36abc9a772188cbb0987aa02902f8c1a

  • SHA1

    80db260274266d9f3bb9f0daec2f713ff005a31b

  • SHA256

    36a7e7fd3d49319b996235956715766f84b91814a6a79a1ba29079b1025cc329

  • SHA512

    5f56f0f6001f90eb4ea1775244185a97c6db9d41913fad06eff2d0b4a1a6c72df9a8cb9065e70f9ed4fdbf9b8eddda8eebcc7fab542e4ca97e252034600b50b9

  • SSDEEP

    49152:cn2DvaIjuVNuEJBILdOQg1ftNDN+pay3+jAtAzKomGc1uGXe8ROtWmErE/LnwYcS:k2GIyVVSLEfs3g+LIQvJv7IV1IzA3

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\36abc9a772188cbb0987aa02902f8c1a.exe
    "C:\Users\Admin\AppData\Local\Temp\36abc9a772188cbb0987aa02902f8c1a.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4844
    • C:\Users\Admin\AppData\Local\Temp\36abc9a772188cbb0987aa02902f8c1a.exe
      C:\Users\Admin\AppData\Local\Temp\36abc9a772188cbb0987aa02902f8c1a.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\36abc9a772188cbb0987aa02902f8c1a.exe

    Filesize

    5.1MB

    MD5

    bc9a2f250fd5eae61289c7974cd6d20e

    SHA1

    a75044f86ac2d7431f67ba3972dba0beb7665726

    SHA256

    f06714a8d8956cc679e28db329e302d0c62df0cf13b498d503d26d176756bd24

    SHA512

    8d9e63828e40fbe246ea69ee54ccc4283cc37d592697ee3092dafe9f40226a558157f0d3f535117bda8f0fe6f4ac5e1ac6b546530797a9c09558ca5eff491fd0

  • memory/3980-14-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3980-15-0x0000000002170000-0x00000000023CA000-memory.dmp

    Filesize

    2.4MB

  • memory/3980-22-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4844-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4844-1-0x00000000021D0000-0x000000000242A000-memory.dmp

    Filesize

    2.4MB

  • memory/4844-2-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/4844-13-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB