Analysis

  • max time kernel
    117s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    20-03-2024 10:28

General

  • Target

    d89300e103bfd617274ee22294bcc16c.exe

  • Size

    759KB

  • MD5

    d89300e103bfd617274ee22294bcc16c

  • SHA1

    bdf3d1ee7760dea64c34cd93c4103ad100a9bf9e

  • SHA256

    7d12860910f95752bab43166470d3ac6dd1b8be3599bae2fca48aa1d01d1034a

  • SHA512

    d57539ae0069b70e4af5d904902cdf3c9c0249400ec774cecc4b9b32a594a81b99a2c9a938561ff84af7c48629284235d2625396b5a9d5a889ef019d0fefa892

  • SSDEEP

    6144:7JAPTiU4IvFjEqIZg/0e6WJjHYhBY8NP7FFNG+B3IKKLnGENHp6XhBgR7NCE:KriRIvBEqIZ1kHsNPDN9lLKLNHwRB

Score
10/10

Malware Config

Extracted

Family

oski

C2

http://bctpump.us

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d89300e103bfd617274ee22294bcc16c.exe
    "C:\Users\Admin\AppData\Local\Temp\d89300e103bfd617274ee22294bcc16c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2212 -s 728
        3⤵
        • Program crash
        PID:1052

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\msvcp140.dll

    Filesize

    175B

    MD5

    a7eca2913e9112121e5585480b1f7c82

    SHA1

    8202e28c75f97352c0545b1a05d2a902a1c5664b

    SHA256

    60bd258837c33a9abb899bc6d6393da70afe5bf2dfd9b560f47092a9c43ba43a

    SHA512

    f6ceabaa4f567fa98f6758e7605fdf473f4ae0f26b0be1c5d0ef8e456421c4a8b487ed7b6042469d81daf7142eee8cd382a8a169972ea7accf9eb079e62f9f46

  • memory/2212-20-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-18-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-10-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-12-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-22-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2212-13-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-8-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-15-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2212-32-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/2980-3-0x00000000005A0000-0x00000000005BC000-memory.dmp

    Filesize

    112KB

  • memory/2980-7-0x0000000000660000-0x00000000006A0000-memory.dmp

    Filesize

    256KB

  • memory/2980-6-0x0000000004FB0000-0x000000000501E000-memory.dmp

    Filesize

    440KB

  • memory/2980-2-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2980-0-0x0000000000EA0000-0x0000000000F64000-memory.dmp

    Filesize

    784KB

  • memory/2980-21-0x0000000074A70000-0x000000007515E000-memory.dmp

    Filesize

    6.9MB

  • memory/2980-5-0x0000000004970000-0x00000000049B0000-memory.dmp

    Filesize

    256KB

  • memory/2980-1-0x0000000074A70000-0x000000007515E000-memory.dmp

    Filesize

    6.9MB

  • memory/2980-4-0x0000000074A70000-0x000000007515E000-memory.dmp

    Filesize

    6.9MB