Resubmissions

08/09/2026, 16:39

260908-t53d4avcja

08/09/2026, 16:19

260908-tsykdathrf8

Analysis

  • max time kernel
    898s
  • max time network
    568s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    08/09/2026, 16:19

General

  • Target
    UnixStealerV2/Stub/stub.exe
  • Size 258KB
  • Sample260908-tsykdathrf
  • SHA256 59b20774e811849ca7a4f333045604e1517b72a0b47373a7328422c84012c03e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Looks up external IP address via web service 1 TTPs 2 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\UnixStealerV2\Stub\stub.exe
    "C:\Users\Admin\AppData\Local\Temp\UnixStealerV2\Stub\stub.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:772

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/772-0-0x0000025A378C0000-0x0000025A37904000-memory.dmp

        memory/772-1-0x0000025A39500000-0x0000025A39510000-memory.dmp

        memory/772-2-0x0000025A39650000-0x0000025A39662000-memory.dmp

        memory/772-3-0x0000025A39500000-0x0000025A39510000-memory.dmp