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Analysis

  • max time kernel
    150s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2022, 15:56

General

  • Target

    Ziraat Bankas Swift Mesaj.exe

  • Size

    434KB

  • MD5

    49a315adc23495aea8ed27cfb1e74b2d

  • SHA1

    df976bb5c6b4a444275bc45b863ef4e8e99c360e

  • SHA256

    4355bf421266b0e7eafb3de8975d4aa925363c3adfe167fa550dcf02e56b6a64

  • SHA512

    23d409c3638b592d94bb8dce46039a45870b79ec015892e7bf8a5892cc47d439f04cbfa4cdf7eab69619645e913c5793d15c22a349d3549e624145739943e706

Malware Config

Signatures

  • BluStealer

    A Modular information stealer written in Visual Basic.

  • StormKitty

    StormKitty is an open source info stealer written in C#.

  • StormKitty payload 1 IoCs
  • Downloads MZ/PE file
  • Drops startup file 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankas Swift Mesaj.exe
    "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankas Swift Mesaj.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Local\Temp\Ziraat Bankas Swift Mesaj.exe
      "C:\Users\Admin\AppData\Local\Temp\Ziraat Bankas Swift Mesaj.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3228
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
        3⤵
        • Accesses Microsoft Outlook profiles
        • Checks processor information in registry
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:1152

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1152-140-0x0000000001000000-0x000000000101A000-memory.dmp

    Filesize

    104KB

  • memory/1152-141-0x0000000005480000-0x00000000054E6000-memory.dmp

    Filesize

    408KB

  • memory/3228-134-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/3228-136-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/3228-142-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/3228-143-0x0000000000400000-0x0000000000422000-memory.dmp

    Filesize

    136KB

  • memory/4520-130-0x0000000000FC0000-0x0000000001034000-memory.dmp

    Filesize

    464KB

  • memory/4520-131-0x00000000059E0000-0x0000000005A7C000-memory.dmp

    Filesize

    624KB

  • memory/4520-132-0x0000000006030000-0x00000000065D4000-memory.dmp

    Filesize

    5.6MB