Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    02/08/2026, 10:39

General

  • Target
    2026-08-02_dae4d9bca083358f4f861279f432edcf_akira_rusty-stealer.exe
  • Size 440KB
  • Sample260802-mpymmsgr3x
  • SHA256 ca0c43665f51b487552261b5db3589321cb6fe68c90b04782b3b0f7d2a626128
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • Detect binaries embedding considerable number of MFA browser extension IDs. 1 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers 1 IoCs
  • Detects executables containing bas64 encoded gzip files 1 IoCs
  • Executes dropped EXE 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-08-02_dae4d9bca083358f4f861279f432edcf_akira_rusty-stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-08-02_dae4d9bca083358f4f861279f432edcf_akira_rusty-stealer.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1716
    • C:\Users\Admin\AppData\Local\Temp\18C7F6CF46C3A20C.exe
      C:\Users\Admin\AppData\Local\Temp\18C7F6CF46C3A20C.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2304

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        18C7F6CF46C3A20C.exe

        • Path C:\Users\Admin\AppData\Local\Temp\18C7F6CF46C3A20C.exe
        • Size 321KB
        • SHA256 32be8b2cf63bed6dd7dc3663e95ec050bd31b6dd68a93b1e56f0e3cf74316bb7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Tmp2BCE.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\Tmp2BCE.tmp
        • Size 2KB
        • SHA256 6d6dc05ee6842a4c8e68e74078a3e148e93915e864b8dd11a104960f1dd6020a
        • MD5 SHA1 SHA512 TLSH

        memory/2304-4-0x0000000000600000-0x0000000000654000-memory.dmp

        memory/2304-5-0x0000000004EF0000-0x0000000004F00000-memory.dmp

        memory/2304-6-0x0000000004DB0000-0x0000000004DC8000-memory.dmp

        memory/2304-7-0x0000000004E50000-0x0000000004E9C000-memory.dmp

        memory/2304-20-0x00000000051C0000-0x0000000005226000-memory.dmp

        memory/2304-21-0x0000000004EF0000-0x0000000004F00000-memory.dmp