Analysis

  • max time kernel
    132s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    06-01-2024 10:19

General

  • Target

    452e6c334e555629c538c4aa6b2adc26.exe

  • Size

    792KB

  • MD5

    452e6c334e555629c538c4aa6b2adc26

  • SHA1

    f24a31707b2b0037adcc712b0d83541074f909d2

  • SHA256

    44aa270e4c081241057bad8c1d0ea5864087325f8e3209aa10747f108123f718

  • SHA512

    1412c3682f9c0e239743450d7ce86b37e726101f5f1786fe215dfd18c61911f31f13533549c3af2033ce6dbf47dc638466283dca62fd8df062ea2a65e3fd811a

  • SSDEEP

    12288:YcaQxt8LiULbgDPwFVt2NjFhslyAz1+LC6oSU4Acp82cz8/mNMgMRyLcvyQQGSI:NGb0wFVMNjTsl9zwLCZGAa8mqaQeW

Score
10/10

Malware Config

Extracted

Family

oski

C2

185.212.131.198/ww/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\452e6c334e555629c538c4aa6b2adc26.exe
    "C:\Users\Admin\AppData\Local\Temp\452e6c334e555629c538c4aa6b2adc26.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BqppCjWADhQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp760A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2900
    • C:\Users\Admin\AppData\Local\Temp\452e6c334e555629c538c4aa6b2adc26.exe
      "C:\Users\Admin\AppData\Local\Temp\452e6c334e555629c538c4aa6b2adc26.exe"
      2⤵
        PID:1672

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp760A.tmp

      Filesize

      1KB

      MD5

      3f127b7c768f72d25fc0af8f40b78da0

      SHA1

      899cfaaab6ff3213aaabc95ef1b204abb32dd8e3

      SHA256

      4ef1580cea2b10ba6ecedc8654e199c109ffe42fed00cba4d3bf9453160ed309

      SHA512

      74c59ca324d81c9d9da23fdd6e8237636ac59cf3080599d7ffefb02aad60618cb2838fc111d2b5b6eb7f68d9fd1cf695d846618ba3aa8a9cce4c9d809ee628ad

    • memory/1672-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1672-20-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-13-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-22-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-15-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-16-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/1672-25-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/3068-3-0x00000000003A0000-0x00000000003BA000-memory.dmp

      Filesize

      104KB

    • memory/3068-1-0x00000000747E0000-0x0000000074ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/3068-7-0x0000000000B80000-0x0000000000BB8000-memory.dmp

      Filesize

      224KB

    • memory/3068-2-0x00000000048F0000-0x0000000004930000-memory.dmp

      Filesize

      256KB

    • memory/3068-0-0x0000000001010000-0x00000000010DC000-memory.dmp

      Filesize

      816KB

    • memory/3068-6-0x00000000062C0000-0x0000000006358000-memory.dmp

      Filesize

      608KB

    • memory/3068-5-0x00000000048F0000-0x0000000004930000-memory.dmp

      Filesize

      256KB

    • memory/3068-24-0x00000000747E0000-0x0000000074ECE000-memory.dmp

      Filesize

      6.9MB

    • memory/3068-4-0x00000000747E0000-0x0000000074ECE000-memory.dmp

      Filesize

      6.9MB