Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 19:05

General

  • Target

    699b82c9536a8f8718d686cd4b13027f.exe

  • Size

    13.8MB

  • MD5

    699b82c9536a8f8718d686cd4b13027f

  • SHA1

    cf50c3736cd67282f8142bbb81907363bb446ddd

  • SHA256

    f6289c816a6e59b7eabd07f97a32ac92f98ba35408a1408897c0271570dd16e2

  • SHA512

    b449e23daf94dcbe7a13c65499f225a112228a8c75d4cde38978b143f83e08e775b4839a8d09c37d3a4afadb3a546736665503218d9b22735a8681ec81dd20bc

  • SSDEEP

    393216:sPEvJY6rJIR1stsKIvTme9iWjS5RZyRkxj:s8vJZ+6tsK8RiW8ikxj

Malware Config

Extracted

Family

rhadamanthys

C2

https://147.45.44.107/9fcc2685c3ccafd/isgmmh6c.0xmid

Signatures

  • Rhadamanthys

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Creates new service(s) 2 TTPs
  • Stops running service(s) 4 TTPs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Launches sc.exe 2 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1188
      • C:\Users\Admin\AppData\Local\Temp\699b82c9536a8f8718d686cd4b13027f.exe
        "C:\Users\Admin\AppData\Local\Temp\699b82c9536a8f8718d686cd4b13027f.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1976
        • C:\Users\Admin\AppData\Roaming\sdfgt.exe
          "C:\Users\Admin\AppData\Roaming\sdfgt.exe"
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1240
        • C:\Users\Admin\AppData\Roaming\withrobot.exe
          "C:\Users\Admin\AppData\Roaming\withrobot.exe"
          3⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3020
          • C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
            4⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2776
          • C:\Windows\system32\cmd.exe
            C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
            4⤵
            • Suspicious use of WriteProcessMemory
            PID:1736
            • C:\Windows\system32\wusa.exe
              wusa /uninstall /kb:890830 /quiet /norestart
              5⤵
              • Drops file in Windows directory
              PID:1460
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe delete "RuntimeBroker"
            4⤵
            • Launches sc.exe
            PID:2312
          • C:\Windows\system32\sc.exe
            C:\Windows\system32\sc.exe create "RuntimeBroker" binpath= "C:\ProgramData\RuntimeBroker.exe" start= "auto"
            4⤵
            • Launches sc.exe
            PID:1600
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:2876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Roaming\sdfgt.exe

      Filesize

      423KB

      MD5

      b8bf5beebfa1cf685e813973902bdf25

      SHA1

      55ca38cfb317da1926f39fa82ceb6c5b9a43b0b0

      SHA256

      741b85f17765f4f17c342195642a39a34c8274c01e436b97b4e9294538310fd4

      SHA512

      bef7e644150163450a8fdb1dce5123bab73942794a6b247c93a09b5e7e30d6f18c35607466ced2a6cb56a66cc5ffa3595e8e77d6e09a22eeb492eddd7729fc6f

    • \Users\Admin\AppData\Roaming\withrobot.exe

      Filesize

      14.8MB

      MD5

      02071fe1b9c8d6ade8dafa0a71600503

      SHA1

      5b547e72386e43c291bceea5b7d0e8f51469cd3c

      SHA256

      00c32e90c14f9c866a30256c8499e753397c7385e4a3fbcdc86515b9ee563faf

      SHA512

      1c4b1c1cb788f08dea954b795d4e0bbd7c028aa5655ce23af805243d06d1c96ef687b0788343182c1d0307e9c76088e4d53e4506e5a4f8d1707001e6549b487a

    • memory/1240-30-0x0000000000810000-0x000000000088E000-memory.dmp

      Filesize

      504KB

    • memory/1240-12-0x0000000000810000-0x000000000088E000-memory.dmp

      Filesize

      504KB

    • memory/1240-23-0x0000000002EA0000-0x00000000032A0000-memory.dmp

      Filesize

      4.0MB

    • memory/1240-26-0x0000000077A80000-0x0000000077C29000-memory.dmp

      Filesize

      1.7MB

    • memory/1240-24-0x0000000002EA0000-0x00000000032A0000-memory.dmp

      Filesize

      4.0MB

    • memory/1240-28-0x00000000768F0000-0x0000000076937000-memory.dmp

      Filesize

      284KB

    • memory/1240-27-0x0000000077310000-0x0000000077420000-memory.dmp

      Filesize

      1.1MB

    • memory/1976-9-0x00000000039C0000-0x0000000003A3E000-memory.dmp

      Filesize

      504KB

    • memory/1976-10-0x00000000039C0000-0x0000000003A3E000-memory.dmp

      Filesize

      504KB

    • memory/2776-48-0x0000000002750000-0x0000000002758000-memory.dmp

      Filesize

      32KB

    • memory/2776-47-0x000000001B430000-0x000000001B712000-memory.dmp

      Filesize

      2.9MB

    • memory/2876-32-0x0000000001CC0000-0x00000000020C0000-memory.dmp

      Filesize

      4.0MB

    • memory/2876-33-0x0000000077A80000-0x0000000077C29000-memory.dmp

      Filesize

      1.7MB

    • memory/2876-35-0x00000000768F0000-0x0000000076937000-memory.dmp

      Filesize

      284KB

    • memory/2876-29-0x0000000000080000-0x0000000000089000-memory.dmp

      Filesize

      36KB

    • memory/3020-38-0x0000000077C30000-0x0000000077C32000-memory.dmp

      Filesize

      8KB

    • memory/3020-36-0x0000000077C30000-0x0000000077C32000-memory.dmp

      Filesize

      8KB

    • memory/3020-40-0x0000000077C30000-0x0000000077C32000-memory.dmp

      Filesize

      8KB

    • memory/3020-41-0x000000013FEE0000-0x0000000141B38000-memory.dmp

      Filesize

      28.3MB