Analysis

  • max time kernel
    122s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2023, 14:23

General

  • Target

    1b51850ae18f84c31ef5ee4391636237.exe

  • Size

    5.1MB

  • MD5

    1b51850ae18f84c31ef5ee4391636237

  • SHA1

    f99658f2b29edcddf15d0082b918e87034e64346

  • SHA256

    68a41e2117e39c93541da0c4fa7f74e55fe492a6c5ffa02883ac7a5171ba2786

  • SHA512

    bf250fc32d175eea0cfad51bd38beca058711aeb1a8ab930c988adc1c129faabce6a50d9cc9c6c58a53520f8f73db152357a8eed9c0308da6f9078475372873e

  • SSDEEP

    98304:1h8MLmCLH4N/RM3S11qronI0Iy5fKP7grvYLS3:1hCKH4RVa0j9

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe
    "C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1936
    • C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe
      C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:2044

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe

    Filesize

    1.1MB

    MD5

    0df5aed10a18d669f108e8463930eb3f

    SHA1

    50d45ef8700097655ebcf95b3021b0644f0f0dc4

    SHA256

    4fd7656e578c26c2680422d502e6df8a8cf621aa5ef7ed838fff6e301ede44eb

    SHA512

    d16a1466d03af708733badefe6c199663486173023bbfe41143cf41a0659de5b5edb6ec5b550751899a0f4550f637c4ef949a88f5497afd660d1ae7a8cf2b19f

  • \Users\Admin\AppData\Local\Temp\1b51850ae18f84c31ef5ee4391636237.exe

    Filesize

    1.2MB

    MD5

    1da3ba6ddfbadbd2f3d407695cc47b89

    SHA1

    f55c410939bc684dc3530a0d7163c883a60564fb

    SHA256

    af494b7d488a00b2ed3305e4a37fbb27e26abb27e8e5d103d45ef0ba06a6d6d3

    SHA512

    a01a90db2d0d98519c57e26c4b0f3c3a164c5b23ee643dc069ced0ec30f63b95a045dbde3af2ec52423452f5c51bf8e74aa1b4f432cb361f49b9d3932cbbfb3a

  • memory/1936-1-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1936-0-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1936-5-0x0000000002260000-0x00000000024BA000-memory.dmp

    Filesize

    2.4MB

  • memory/1936-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1936-16-0x0000000004320000-0x0000000004CBE000-memory.dmp

    Filesize

    9.6MB

  • memory/1936-42-0x0000000004320000-0x0000000004CBE000-memory.dmp

    Filesize

    9.6MB

  • memory/2044-18-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/2044-20-0x0000000002230000-0x000000000248A000-memory.dmp

    Filesize

    2.4MB

  • memory/2044-43-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB