Analysis

  • max time kernel
    91s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240412-en
  • submitted
    15/04/2024, 08:09

General

  • Target
    66f138849b45ba75c5e99484739c990056387b676eeadf66e32f1f27dd6b9c6d.exe
  • Size 935KB
  • Sample240415-j2bf4ace5z
  • SHA256 66f138849b45ba75c5e99484739c990056387b676eeadf66e32f1f27dd6b9c6d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • rhadamanthys

C2
  • https://94.156.8.103:2055/efc85e6acdfc3a785/r5erbrlf.2oeme

Signatures

  • Rhadamanthys

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

  • Rhadamanthys family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 12 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Windows\system32\sihost.exe
    sihost.exe
    1⤵
      PID:2168
      • C:\Windows\SysWOW64\dialer.exe
        "C:\Windows\system32\dialer.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:1348
    • C:\Users\Admin\AppData\Local\Temp\66f138849b45ba75c5e99484739c990056387b676eeadf66e32f1f27dd6b9c6d.exe
      "C:\Users\Admin\AppData\Local\Temp\66f138849b45ba75c5e99484739c990056387b676eeadf66e32f1f27dd6b9c6d.exe"
      1⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3568
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c move Legislative Legislative.bat && Legislative.bat
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2276
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:2024
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "wrsa.exe opssvc.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1004
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          3⤵
          • Enumerates processes with tasklist
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4812
        • C:\Windows\SysWOW64\findstr.exe
          findstr /I "avastui.exe avgui.exe nswscsvc.exe sophoshealth.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1884
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c md 1101
          3⤵
          • System Location Discovery: System Language Discovery
          PID:4808
        • C:\Windows\SysWOW64\findstr.exe
          findstr /V "HOPEDRETURNREVENGEDELAYED" Life
          3⤵
          • System Location Discovery: System Language Discovery
          PID:5040
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c copy /b Would + Interstate + Documentcreatetextnode + Lifestyle 1101\r
          3⤵
          • System Location Discovery: System Language Discovery
          PID:2936
        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\1101\Ent.pif
          1101\Ent.pif 1101\r
          3⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          PID:2464
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2464 -s 936
            4⤵
            • Program crash
            PID:3492
        • C:\Windows\SysWOW64\PING.EXE
          ping -n 5 127.0.0.1
          3⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Runs ping.exe
          PID:2044
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2464 -ip 2464
      1⤵
        PID:3152

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            Ent.pif

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\1101\Ent.pif
            • Size 872KB
            • SHA256 865347471135bb5459ad0e647e75a14ad91424b6f13a5c05d9ecd9183a8a1cf4
            • MD5 SHA1 SHA512 SSDEEP

            r

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\1101\r
            • Size 884KB
            • SHA256 88ff557c3a950ff880e44f29f90e7da3f089859564c4a1d2ef557caf834acfb1
            • MD5 SHA1 SHA512 SSDEEP

            Documentcreatetextnode

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Documentcreatetextnode
            • Size 227KB
            • SHA256 48c659b35aa7ca443ddebe96c1b8d5f5527b5a7fee965d9bd89d5a37e5898005
            • MD5 SHA1 SHA512 SSDEEP

            Eminem

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Eminem
            • Size 18KB
            • SHA256 8fbae4a3b2128397534b035fd010967ebe3ecb67403324e782e2781529df946d
            • MD5 SHA1 SHA512 SSDEEP

            Fly

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Fly
            • Size 246KB
            • SHA256 d6e76247b9145e33387ce0aef49a6540f74c3e86934b86df3801005bd50acec3
            • MD5 SHA1 SHA512 SSDEEP

            Interstate

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Interstate
            • Size 228KB
            • SHA256 a357856aca612a451706906b80059d4849165191f476b1e6d6cab94443a71aa7
            • MD5 SHA1 SHA512 SSDEEP

            Invite

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Invite
            • Size 62KB
            • SHA256 1397f24c2a9f41208024a1fd6ee11d825b780626b606fb2f32998443c7be415e
            • MD5 SHA1 SHA512 SSDEEP

            Legislative

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Legislative
            • Size 29KB
            • SHA256 88761cfbe7839c89939ac085f8b3b2dbf563e79e041173255130d63340be28c3
            • MD5 SHA1 SHA512 SSDEEP

            Life

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Life
            • Size 95B
            • SHA256 ff2e1c3901a0f928bc18302c2f138866f183e6ebea4118cd254723d2addb3bfd
            • MD5 SHA1 SHA512

            Lifestyle

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lifestyle
            • Size 216KB
            • SHA256 b1f1d6dec9e24797161d8159fe78b1e2664431904c7de6c39bfa3043bdc192ff
            • MD5 SHA1 SHA512 SSDEEP

            Lit

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Lit
            • Size 67KB
            • SHA256 f45ce9898b27b528deb4797dbc360dbd61abf0bc6706909bea1aaf7bc6ceb5b3
            • MD5 SHA1 SHA512 SSDEEP

            Protect

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Protect
            • Size 16KB
            • SHA256 9b4e34f7125ef28f7aa04cdfb88359fbcad7b6657b88ab17d8bcf2a059c6bd4c
            • MD5 SHA1 SHA512 SSDEEP

            Record

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Record
            • Size 164KB
            • SHA256 6c0efe34e2d39f7132d9771ccb264f8e04658a3be47b20884a372fe6cba0e1c0
            • MD5 SHA1 SHA512 SSDEEP

            Rome

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Rome
            • Size 53KB
            • SHA256 06fdf3480808187764fe12263003716492d7ab5d01671c290be3bdd1b56efb26
            • MD5 SHA1 SHA512 SSDEEP

            Southampton

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Southampton
            • Size 246KB
            • SHA256 f1c45d16156c7ee2db1082b1c0f4a092ba23dcf6a021ebe3ccea7d9e9494358a
            • MD5 SHA1 SHA512 SSDEEP

            Would

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\Would
            • Size 213KB
            • SHA256 0915f627a18a4bf6b142829d81d1d013a98ccd27f9b16b33967bb0a5b0cc39b8
            • MD5 SHA1 SHA512 SSDEEP

            memory/1348-53-0x00000000006E0000-0x00000000006E9000-memory.dmp

            memory/1348-65-0x00007FF8521E0000-0x00007FF8523E9000-memory.dmp

            memory/1348-60-0x0000000002390000-0x0000000002790000-memory.dmp

            memory/1348-62-0x00007FF8521E0000-0x00007FF8523E9000-memory.dmp

            memory/1348-64-0x0000000002390000-0x0000000002790000-memory.dmp

            memory/1348-63-0x0000000075F90000-0x00000000761E2000-memory.dmp

            memory/1348-59-0x00007FF8521E0000-0x00007FF8523E9000-memory.dmp

            memory/1348-55-0x0000000002390000-0x0000000002790000-memory.dmp

            memory/1348-56-0x0000000002390000-0x0000000002790000-memory.dmp

            memory/2464-39-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-46-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-47-0x0000000006200000-0x0000000006600000-memory.dmp

            memory/2464-48-0x0000000006200000-0x0000000006600000-memory.dmp

            memory/2464-49-0x00007FF8521E0000-0x00007FF8523E9000-memory.dmp

            memory/2464-52-0x0000000075F90000-0x00000000761E2000-memory.dmp

            memory/2464-45-0x0000000006200000-0x0000000006600000-memory.dmp

            memory/2464-51-0x0000000006200000-0x0000000006600000-memory.dmp

            memory/2464-44-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-43-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-58-0x0000000006200000-0x0000000006600000-memory.dmp

            memory/2464-42-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-41-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-38-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-37-0x0000000000450000-0x00000000004BD000-memory.dmp

            memory/2464-36-0x00000000040C0000-0x00000000040C1000-memory.dmp

            memory/2464-35-0x0000000077321000-0x0000000077443000-memory.dmp