Analysis

  • max time kernel
    17s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 12:38

General

  • Target

    AstralRust.rar

  • Size

    237KB

  • MD5

    1a95c1cf9372a2e4f80a8519a5afab25

  • SHA1

    7268b000b587ee38d2d6d750b10eff9f94529fbd

  • SHA256

    4c7b248106f9d66630e2975e09102174f36780f5a441eb51d6415afc0249692e

  • SHA512

    4e532a4700f6a5fad1d189c07a8eadc06a08d7bd60933e480dc42bfde216a0698d6096c86b565898cd6531c7ea74c1b9b75852e8e513f1c551395a78abbc4ac5

  • SSDEEP

    6144:qGu1L/dS7hcMiM8oCH3rD9bFufV9EXVvg1IOE2BclY6rHDAG:Xu1zdIcMmpQd9+hy+jAG

Malware Config

Extracted

Family

rhadamanthys

C2

https://185.125.50.38:3034/739bd3e91cd40ca83/lem.api

Signatures

  • Rhadamanthys

    Rhadamanthys is an info stealer written in C++ first seen in August 2022.

  • Rhadamanthys family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 2 IoCs
  • Executes dropped EXE 2 IoCs
  • 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.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1248
      • C:\Program Files\7-Zip\7zFM.exe
        "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\AstralRust.rar"
        2⤵
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of FindShellTrayWindow
        PID:2376
      • C:\Users\Admin\Desktop\AstralRust.exe
        "C:\Users\Admin\Desktop\AstralRust.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2844
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2740
      • C:\Users\Admin\Desktop\AstralRust.exe
        "C:\Users\Admin\Desktop\AstralRust.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2748
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2624

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\Desktop\AstralRust.exe

      Filesize

      355KB

      MD5

      bb84cc2853596d21a318576c4995fcce

      SHA1

      477a224d5b4e398b34a978ac19def1cbafb211d3

      SHA256

      6135bdbcfd9f824b3da0bef2ba73018a998967e20c5d0274c6a1c0433649b017

      SHA512

      aa32be3d91bf6e2c8fed0d0e0407723466b477ab0d27c5d3cd705ac73365ab4c56de4f16d4786ee586e750d6835eba09775dbf5a93b0da0eaea4326f2fc2bd5c

    • memory/2624-25-0x0000000077530000-0x00000000776D9000-memory.dmp

      Filesize

      1.7MB

    • memory/2624-27-0x0000000077090000-0x00000000770D7000-memory.dmp

      Filesize

      284KB

    • memory/2624-24-0x0000000001C00000-0x0000000002000000-memory.dmp

      Filesize

      4.0MB

    • memory/2740-13-0x0000000077530000-0x00000000776D9000-memory.dmp

      Filesize

      1.7MB

    • memory/2740-15-0x0000000077090000-0x00000000770D7000-memory.dmp

      Filesize

      284KB

    • memory/2740-9-0x00000000000D0000-0x00000000000D9000-memory.dmp

      Filesize

      36KB

    • memory/2740-12-0x0000000001B80000-0x0000000001F80000-memory.dmp

      Filesize

      4.0MB

    • memory/2748-21-0x0000000077090000-0x00000000770D7000-memory.dmp

      Filesize

      284KB

    • memory/2748-18-0x0000000000830000-0x0000000000C30000-memory.dmp

      Filesize

      4.0MB

    • memory/2748-20-0x0000000075420000-0x0000000075530000-memory.dmp

      Filesize

      1.1MB

    • memory/2748-19-0x0000000077530000-0x00000000776D9000-memory.dmp

      Filesize

      1.7MB

    • memory/2844-10-0x0000000001240000-0x00000000012AD000-memory.dmp

      Filesize

      436KB

    • memory/2844-8-0x0000000077090000-0x00000000770D7000-memory.dmp

      Filesize

      284KB

    • memory/2844-6-0x0000000077530000-0x00000000776D9000-memory.dmp

      Filesize

      1.7MB

    • memory/2844-5-0x00000000007F0000-0x0000000000BF0000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-4-0x00000000007F0000-0x0000000000BF0000-memory.dmp

      Filesize

      4.0MB

    • memory/2844-3-0x0000000001240000-0x00000000012AD000-memory.dmp

      Filesize

      436KB