Analysis

  • max time kernel
    200s
  • max time network
    214s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2023 11:52

General

  • Target

    3519d9884a37f6e79b9e5f19b97a3d99.exe

  • Size

    1.3MB

  • MD5

    3519d9884a37f6e79b9e5f19b97a3d99

  • SHA1

    49d06c39e5664977651d4e16d00ebcad6659917c

  • SHA256

    488482565caeb316c3182e323a178f0357878a3b564bb22abff6ffb01feb051a

  • SHA512

    a5f8fbd4197a4962f75d30fab5c6c7de0f5e0b137dc5de8cad10a25bdaf9ff60a78fd35bdb9fbb2402762e0332a445974d92284ee39169505282be17051d0060

  • SSDEEP

    24576:TsV676DOVfx8Dgyfx8Dg1TQU8vYB7r+UCmDW0t5xSNwDZZGL:W676c58Dgy58DgNQU8+dk0dSCZU

Score
10/10

Malware Config

Extracted

Family

oski

C2

http://2.56.59.226/www/

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3519d9884a37f6e79b9e5f19b97a3d99.exe
    "C:\Users\Admin\AppData\Local\Temp\3519d9884a37f6e79b9e5f19b97a3d99.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Users\Admin\AppData\Local\Temp\3519d9884a37f6e79b9e5f19b97a3d99.exe
      "C:\Users\Admin\AppData\Local\Temp\3519d9884a37f6e79b9e5f19b97a3d99.exe"
      2⤵
        PID:4524

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1988-8-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

      Filesize

      5.6MB

    • memory/1988-9-0x0000000005110000-0x0000000005120000-memory.dmp

      Filesize

      64KB

    • memory/1988-10-0x0000000009E90000-0x0000000009F3E000-memory.dmp

      Filesize

      696KB

    • memory/1988-4-0x0000000005110000-0x0000000005120000-memory.dmp

      Filesize

      64KB

    • memory/1988-5-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

      Filesize

      40KB

    • memory/1988-6-0x00000000051C0000-0x000000000525C000-memory.dmp

      Filesize

      624KB

    • memory/1988-7-0x00000000026F0000-0x0000000002702000-memory.dmp

      Filesize

      72KB

    • memory/1988-0-0x0000000000310000-0x000000000046C000-memory.dmp

      Filesize

      1.4MB

    • memory/1988-1-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/1988-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp

      Filesize

      584KB

    • memory/1988-11-0x0000000005090000-0x00000000050F4000-memory.dmp

      Filesize

      400KB

    • memory/1988-17-0x0000000074740000-0x0000000074EF0000-memory.dmp

      Filesize

      7.7MB

    • memory/4524-13-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4524-15-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4524-16-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4524-12-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB

    • memory/4524-18-0x0000000000400000-0x0000000000464000-memory.dmp

      Filesize

      400KB