Analysis

  • max time kernel
    14s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21-05-2024 20:56

General

  • Target

    32fd8f1b254a932406146818a133b39e43d9b8baa70800354ffc4544ac42ff97.exe

  • Size

    95KB

  • MD5

    fd2c98030807b419ca1e9f490616a33c

  • SHA1

    64a55c78c050e86f00520b08e58c73b7650a2953

  • SHA256

    32fd8f1b254a932406146818a133b39e43d9b8baa70800354ffc4544ac42ff97

  • SHA512

    78e3e013ccce17fa828d3d99b37a6139bbbdb8e8f736eeba44533a0c9bd483c5e8328ceed295e509c99060472ef826482c75774531df2b9a2b49ba1c7e214798

  • SSDEEP

    1536:Hlqls0GgUyj5JxdA4Oj3W2Fsdq4FfgG+sdguxnSngBNpT/mzNnxPAxEAz0+/8omQ:HQC/yj5JO3MnfgG+Hu54Fx4xE8EomCPP

Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 7 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\32fd8f1b254a932406146818a133b39e43d9b8baa70800354ffc4544ac42ff97.exe
    "C:\Users\Admin\AppData\Local\Temp\32fd8f1b254a932406146818a133b39e43d9b8baa70800354ffc4544ac42ff97.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:2524
    • C:\WINDOWS\MSWDM.EXE
      "C:\WINDOWS\MSWDM.EXE"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2952
    • C:\WINDOWS\MSWDM.EXE
      -r!C:\Windows\dev1FEF.tmp!C:\Users\Admin\AppData\Local\Temp\32fd8f1b254a932406146818a133b39e43d9b8baa70800354ffc4544ac42ff97.exe! !
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Users\Admin\AppData\Local\Temp\32FD8F1B254A932406146818A133B39E43D9B8BAA70800354FFC4544AC42FF97.EXE
        3⤵
        • Executes dropped EXE
        PID:2644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\MSWDM.EXE

    Filesize

    80KB

    MD5

    661c15a11df08fa7d4579daa5c7720a0

    SHA1

    00793fc91b20c1a82057d73548de132c391102d0

    SHA256

    5b1b3078c65b7cbb237bc41727c92cce60376e3cb99ab17a2bb0d06046c47bd4

    SHA512

    459ac19b65a7d8ce156ebb28313fed2f7db626daf3c8dbb6e75d5ed7d1aeed88c0100374b9bbe8bebd876848f03b5affc95bafce0dfa4fb96a82f546eb552bfc

  • C:\Windows\dev1FEF.tmp

    Filesize

    15KB

    MD5

    b0cec9f342bf95700b602ee376446577

    SHA1

    b955b1b64280bb0ea873538029cf5ea44081501b

    SHA256

    24a2472e3bd5016cb22ce14cefee112d5bc18354bf099e8e66ad9846aea15088

    SHA512

    05ebecfc8d3e2e7885d3cacc65bfd97db710c2cbc0fb76b19b7d6cc82b327b25df953a20affc8d84002167dd8ac7710622279d3579c6605e742a98fe7095aa4e

  • memory/2100-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2100-25-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2524-0-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2524-12-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2952-16-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2952-24-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB