Analysis

  • max time kernel
    171s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-12-2023 13:38

General

  • Target

    a85c5a7404681455aa98f761fb01cb36.exe

  • Size

    133KB

  • MD5

    a85c5a7404681455aa98f761fb01cb36

  • SHA1

    157123c7e9fe47b530beb5f9542b608f1668375d

  • SHA256

    43cd0aee2d1452f1ef3ed38d22e6df0062468bd42d21bfad14363ff366eda3df

  • SHA512

    e869385f3d635747b9a40fd91c448691e6d075659fa332d94b4fde0934189decac7fd2e0e38b816bf8a5c6e765bcd75b736376552212a439892831064d516aa1

  • SSDEEP

    3072:ifRBQ1eKnEuIs59T1oLMMFDTS20QIKVkXQNYuQ8Hl6GxiQ:kRBQLt59Zv2ePQIaNEE9xiQ

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\a85c5a7404681455aa98f761fb01cb36.exe
    "C:\Users\Admin\AppData\Local\Temp\a85c5a7404681455aa98f761fb01cb36.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\a85c5a7404681455aa98f761fb01cb36.exe
      C:\Users\Admin\AppData\Local\Temp\a85c5a7404681455aa98f761fb01cb36.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:4548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\a85c5a7404681455aa98f761fb01cb36.exe

    Filesize

    133KB

    MD5

    87059b4bda3e3630bd58c6916623a5de

    SHA1

    0bc07a18c2b8e1a3c517bed2d3240e53e360d810

    SHA256

    676ade36010cb9b1a6c691f52dd5bc93497bf5cfcc8f3591f8b6677210224088

    SHA512

    2939b80bb5edeba8660b0e6aaf6745cc09f91ea26a19c1e24f3e716a79e8c511bf253bd59cf6d79a28ecb04c991af75b652d738da226f47b8ff2b1597f35765f

  • memory/2208-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2208-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/2208-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2208-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4548-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4548-16-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/4548-17-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4548-32-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB