Analysis

  • max time kernel
    149s
  • max time network
    145s
  • 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 03:22

General

  • Target

    5a399589c571707b5c07c6ac10898ca8.exe

  • Size

    133KB

  • MD5

    5a399589c571707b5c07c6ac10898ca8

  • SHA1

    67f56ce82741d529239a6e89ea7f0920fcb144f1

  • SHA256

    231ee6cc8919eba250765f7a5cc71755612b4605e90409dd21ab360a0adc6cf3

  • SHA512

    240351b3d3ba4415f2d3519b7f2e971c2d9a1ccddb62d43610cff48a65d76b7b7ddbd03cd833bca8931414b990061a837042954d11deda3dc26538d3e5dba5a4

  • SSDEEP

    3072:6KYwsF1j8wEjWAVa8LpS3f215PUp+uU+v4aA+v2yl+sDTd1Q:6blvjxsWIhpSu15PyjUJiv2u+sDTd1Q

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\5a399589c571707b5c07c6ac10898ca8.exe
    "C:\Users\Admin\AppData\Local\Temp\5a399589c571707b5c07c6ac10898ca8.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4380
    • C:\Users\Admin\AppData\Local\Temp\5a399589c571707b5c07c6ac10898ca8.exe
      C:\Users\Admin\AppData\Local\Temp\5a399589c571707b5c07c6ac10898ca8.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2884

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5a399589c571707b5c07c6ac10898ca8.exe

    Filesize

    133KB

    MD5

    eeee947d8845899a3f1d07e28f5f0474

    SHA1

    b7386b19a96e05604e66b8660dfb6aad573d3ed2

    SHA256

    a8aee570b62b7a49a8ea7c9a7645b5d7214e63c8da5066aa3b8e5f720674d94e

    SHA512

    594c6d214b0176aa818c5b3bc4b7553b34e47e0f32069e584eafbb5a567bf1bef2bae6f87c94fa06b6b1b72e39eadc46657eec2f7ace85a8db49b1c3a0c4e0b4

  • memory/2884-17-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/2884-16-0x00000000001A0000-0x00000000001C1000-memory.dmp

    Filesize

    132KB

  • memory/2884-15-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/2884-31-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4380-0-0x0000000000400000-0x0000000000486000-memory.dmp

    Filesize

    536KB

  • memory/4380-1-0x00000000001C0000-0x00000000001E1000-memory.dmp

    Filesize

    132KB

  • memory/4380-2-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB

  • memory/4380-14-0x0000000000400000-0x000000000041F000-memory.dmp

    Filesize

    124KB