Analysis

  • max time kernel
    141s
  • max time network
    151s
  • 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 13:55

General

  • Target

    b1baa1153ca04a0264038355f7f42ba4.exe

  • Size

    1.3MB

  • MD5

    b1baa1153ca04a0264038355f7f42ba4

  • SHA1

    acaa900f96035268e1863392e818a104895e2f44

  • SHA256

    747dc92d143e0879bfa893f9ab42975fd5a21e63987efef318cab47c0188d15b

  • SHA512

    1665719bd62aff9bee1a0085108d06dc4aca2db46fec6f5978e869a825086f5a9893aaf204c002a4345228f0a63722425d3f5df2bbaadded4f249d5f08395d3e

  • SSDEEP

    24576:WoM7WTm7I7LcTQB4aL/AJnsRemFKQAEfftm9CI3ypLjb6PPaAHOdHMU9/9Us:gBsAQBfjEsEcKQA2fA914X6qkeLR9j

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.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b1baa1153ca04a0264038355f7f42ba4.exe
    "C:\Users\Admin\AppData\Local\Temp\b1baa1153ca04a0264038355f7f42ba4.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:4368
    • C:\Users\Admin\AppData\Local\Temp\b1baa1153ca04a0264038355f7f42ba4.exe
      C:\Users\Admin\AppData\Local\Temp\b1baa1153ca04a0264038355f7f42ba4.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:4932

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\b1baa1153ca04a0264038355f7f42ba4.exe

    Filesize

    345KB

    MD5

    b38eb9738bc7d125d56d7cea6c3f6fbd

    SHA1

    307bb45964f79601a53e615cf1174edadfb458cd

    SHA256

    f499e9dcf64b24ba690791770e26babba5c4b4c6d0dc9534dbcb24452a0bee52

    SHA512

    37c3dc3fce6c485414bac3a269544b8b1bf5b36b49a3937d14ccbae1838c9f316a3a0971749aa7a45ccf2724943bebcf8c44fc4c0493bd1ba34a1a1025a558bb

  • memory/4368-0-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/4368-1-0x00000000018F0000-0x0000000001A21000-memory.dmp

    Filesize

    1.2MB

  • memory/4368-2-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/4368-12-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/4932-13-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB

  • memory/4932-15-0x0000000001C50000-0x0000000001D81000-memory.dmp

    Filesize

    1.2MB

  • memory/4932-14-0x0000000000400000-0x0000000000622000-memory.dmp

    Filesize

    2.1MB

  • memory/4932-20-0x0000000005540000-0x0000000005762000-memory.dmp

    Filesize

    2.1MB

  • memory/4932-21-0x0000000000400000-0x0000000000616000-memory.dmp

    Filesize

    2.1MB

  • memory/4932-28-0x0000000000400000-0x00000000008E7000-memory.dmp

    Filesize

    4.9MB