Analysis

  • max time kernel
    4s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250217-en
  • resource tags

    arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    04/03/2025, 22:54

General

  • Target

    builder.exe

  • Size

    702KB

  • MD5

    5e8eefdad5b8ab9b1b47f269ca27d8f7

  • SHA1

    ba66cf53cfe996d904e57b9409b349da62bb5d27

  • SHA256

    e915dccc9e65da534932476e8cec4b7e5446dbd022f242e9302ac18d2a041df5

  • SHA512

    3f353dd053e4cd18cb7c56237230d026404a8c217084e740b152ff3e9e3c8ecf0649dbdc5e98617d82086f2b340588741c7afdf4326e1f6bf56242bf7a8c58a8

  • SSDEEP

    12288:uQjtwieaRtNsy+vMyX/A8MAnz8gCWxjijlLRjPrDuTsu3WfRme3I:uQjtQatuVY8MAnzCM2RjziTsuERmoI

Malware Config

Extracted

Family

rhadamanthys

C2

https://195.3.223.126:4287/9d0dc091285eb9fbf2e/o8f3c8oj.8rdif

Signatures

  • Detect rhadamanthys stealer shellcode 5 IoCs
  • Rhadamanthys

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

  • Rhadamanthys family
  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\builder.exe
    "C:\Users\Admin\AppData\Local\Temp\builder.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4724
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1580 -s 296
      2⤵
      • Program crash
      PID:2448
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1580 -ip 1580
    1⤵
      PID:2028

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4724-0-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/4724-2-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/4724-3-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/4724-4-0x0000000001250000-0x0000000001257000-memory.dmp

      Filesize

      28KB

    • memory/4724-5-0x0000000002EE0000-0x00000000032E0000-memory.dmp

      Filesize

      4.0MB

    • memory/4724-6-0x0000000002EE0000-0x00000000032E0000-memory.dmp

      Filesize

      4.0MB

    • memory/4724-7-0x0000000002EE0000-0x00000000032E0000-memory.dmp

      Filesize

      4.0MB

    • memory/4724-8-0x0000000002EE0000-0x00000000032E0000-memory.dmp

      Filesize

      4.0MB

    • memory/4724-9-0x0000000000400000-0x0000000000473000-memory.dmp

      Filesize

      460KB

    • memory/4724-10-0x0000000002EE0000-0x00000000032E0000-memory.dmp

      Filesize

      4.0MB