Analysis

  • max time kernel
    160s
  • max time network
    195s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/12/2023, 22:59

General

  • Target

    1f3bd854140d6aa69b7d0eddea23cdbb.exe

  • Size

    5.5MB

  • MD5

    1f3bd854140d6aa69b7d0eddea23cdbb

  • SHA1

    e18747044dc87d0e90468649d79ec5f1c1994f2c

  • SHA256

    340c187e735cbcc71dff11291f14bee3b1ba78a2348e33fb48a407cc44a56f28

  • SHA512

    d027db85af96fae0d290060baed1dc6e616afca0a6598082fdfff4638a37168c38234d313abb973a6275a55309eae6463d2cb1f4fbba9539a074b92442e7a48c

  • SSDEEP

    49152:HdkFxrlEsDGsL5CELGU85z079G61Dj/byyEJ6rhf/XWjay3vRmCFOGNj8mW4JH5I:91HRz0pf1jTU35mCckFR+vicS43

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\1f3bd854140d6aa69b7d0eddea23cdbb.exe
    "C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe
      C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:5024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1f3bd854140d6aa69b7d0eddea23cdbb.exe

    Filesize

    5.5MB

    MD5

    eed521365a4664c4c6c861e1c4cb1732

    SHA1

    c4bb37e966728e058b3f95b5ec0a55c4e468fe75

    SHA256

    804f8a7efd84d28295f5e5de08cc4c4484734b5a869ea984e776c25a7db99bf7

    SHA512

    e699b911820b9248635b744c4b44286e0b848fb99e86fd8a738fd2ddb682524e756739fa93496829a486bd4e8d3ac5b26eba9a56de010ba75931a4f67b32af05

  • memory/4016-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4016-1-0x0000000002490000-0x00000000026EA000-memory.dmp

    Filesize

    2.4MB

  • memory/4016-2-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/4016-3-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/4016-14-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/5024-15-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/5024-17-0x00000000021A0000-0x00000000023FA000-memory.dmp

    Filesize

    2.4MB

  • memory/5024-23-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB