Analysis

  • max time kernel
    141s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2023, 23:14

General

  • Target
    z1oLa9PsGIEXuKVEt.exe
  • Size 732KB
  • Sample230817-27y4fsff2v
  • SHA256 5e8cf0791400e137cbf715f736f14d81533187c9ab92c7bdb22d0f731ebccc2e
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\z1oLa9PsGIEXuKVEt.exe
    "C:\Users\Admin\AppData\Local\Temp\z1oLa9PsGIEXuKVEt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:548
    • C:\Users\Admin\AppData\Local\Temp\z1oLa9PsGIEXuKVEt.exe
      "C:\Users\Admin\AppData\Local\Temp\z1oLa9PsGIEXuKVEt.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        z1oLa9PsGIEXuKVEt.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\z1oLa9PsGIEXuKVEt.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/464-142-0x0000000000400000-0x0000000000442000-memory.dmp

        memory/464-151-0x0000000001620000-0x0000000001630000-memory.dmp

        memory/464-150-0x0000000074DD0000-0x0000000075580000-memory.dmp

        memory/464-149-0x0000000006F70000-0x0000000006FC0000-memory.dmp

        memory/464-148-0x0000000005A10000-0x0000000005A76000-memory.dmp

        memory/464-145-0x0000000074DD0000-0x0000000075580000-memory.dmp

        memory/464-147-0x0000000001620000-0x0000000001630000-memory.dmp

        memory/548-137-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/548-141-0x0000000009160000-0x00000000091FC000-memory.dmp

        memory/548-140-0x0000000004E60000-0x0000000004E70000-memory.dmp

        memory/548-146-0x0000000074DD0000-0x0000000075580000-memory.dmp

        memory/548-139-0x0000000074DD0000-0x0000000075580000-memory.dmp

        memory/548-138-0x0000000004B90000-0x0000000004B9A000-memory.dmp

        memory/548-133-0x0000000074DD0000-0x0000000075580000-memory.dmp

        memory/548-136-0x0000000004BC0000-0x0000000004C52000-memory.dmp

        memory/548-135-0x0000000005250000-0x00000000057F4000-memory.dmp

        memory/548-134-0x0000000000120000-0x00000000001DE000-memory.dmp