Analysis

  • max time kernel
    134s
  • max time network
    260s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-09-2024 23:26

General

  • Target

    f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe

  • Size

    197KB

  • MD5

    8f51409e0119d80da56d1bcddbe960b7

  • SHA1

    5ddf8d0198b0646472038f887caaee50f35f4f2e

  • SHA256

    f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d

  • SHA512

    bafc8becd7958405e3d6ec195483d2e20bd6eb52a89845ad9fcc0351d54525d03599f66bdf0440f421e25f1ad482a2bc85eb017d8239b7525944be908af391d1

  • SSDEEP

    3072:yrsR+CX0WGYN8vWneNvsR4cByR28jzzlpcJO9hVpfCV0MY7QxFJn2IK:wsP0WGY7jR4ccfe0P7qJ2

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

11

Botnet

e90840a846d017e7b095f7543cdf2d15

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

C2

https://reinforcenh.shop/api

https://stogeneratmns.shop/api

https://fragnantbui.shop/api

https://drawzhotdog.shop/api

https://vozmeatillu.shop/api

https://offensivedzvju.shop/api

https://ghostreedmnu.shop/api

https://gutterydhowi.shop/api

https://wallkedsleeoi.shop/api

Extracted

Family

lumma

C2

https://wallkedsleeoi.shop/api

https://gutterydhowi.shop/api

https://ghostreedmnu.shop/api

https://offensivedzvju.shop/api

https://vozmeatillu.shop/api

https://drawzhotdog.shop/api

https://fragnantbui.shop/api

https://stogeneratmns.shop/api

https://reinforcenh.shop/api

https://ballotnwu.site/api

Signatures

  • Detect Vidar Stealer 7 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • Stealc

    Stealc is an infostealer written in C++.

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 15 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe
    "C:\Users\Admin\AppData\Local\Temp\f7d5e31a90a7a436fb88277e0920c9675b69fa37eee1b97120a27f792ea8ca1d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2316
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1576
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCBGHCAKKFB.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1764
        • C:\Users\AdminCBGHCAKKFB.exe
          "C:\Users\AdminCBGHCAKKFB.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1728
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            PID:2516
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminGIEBGIIJDG.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3668
        • C:\Users\AdminGIEBGIIJDG.exe
          "C:\Users\AdminGIEBGIIJDG.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3632
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2192
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminBAKEBAFIIE.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:204
        • C:\Users\AdminBAKEBAFIIE.exe
          "C:\Users\AdminBAKEBAFIIE.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3348
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net user
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4584
            • C:\Windows\SysWOW64\net.exe
              net user
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3036
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 user
                7⤵
                • System Location Discovery: System Language Discovery
                PID:1052
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2416
            • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe
              C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe -i
              6⤵
              • Server Software Component: Terminal Services DLL
              • Executes dropped EXE
              • Modifies WinLogon
              • Drops file in Program Files directory
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:1620
              • C:\Windows\SYSTEM32\netsh.exe
                netsh advfirewall firewall add rule name="Remote Desktop" dir=in protocol=tcp localport=3389 profile=any action=allow
                7⤵
                • Modifies Windows Firewall
                • Event Triggered Execution: Netsh Helper DLL
                PID:216
  • \??\c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k networkservice -s TermService
    1⤵
      PID:4968
    • C:\Windows\System32\svchost.exe
      C:\Windows\System32\svchost.exe -k NetworkService -s TermService
      1⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:292

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\AdminBAKEBAFIIE.exe

      Filesize

      72KB

      MD5

      7de5ab6a32e093666b1131411836459d

      SHA1

      2d65f573789bbe52e94c732bf7047b4a631509d0

      SHA256

      d9995cc12e7b528fb33774a44e012d108ad7f68f57ee358447fb95a967e08ad2

      SHA512

      26040892a22516605f85f3ebb39d67022064bbb6c86ebbd00354c2a65e7dc3f79fb9c4c2d019432a723d30b7b13e959fa9c0276152111387050992551750f867

    • C:\Users\AdminCBGHCAKKFB.exe

      Filesize

      403KB

      MD5

      f73186df5a030cf7f186b0737c3af1f7

      SHA1

      d15e45feefbbc010db92ae897d80bc7419c0d046

      SHA256

      05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

      SHA512

      a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

    • C:\Users\AdminGIEBGIIJDG.exe

      Filesize

      376KB

      MD5

      47697a60a96c5adef362d8da9a274b7d

      SHA1

      16dbc512f121c27e2cb48a61d6dcf166aa792e0d

      SHA256

      63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

      SHA512

      4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

    • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe

      Filesize

      1.7MB

      MD5

      c213162c86bb943bcdf91b3df381d2f6

      SHA1

      8ec200e2d836354a62f16cdb3eed4bb760165425

      SHA256

      ac91b2a2db1909a2c166e243391846ad8d9ede2c6fcfd33b60acf599e48f9afc

      SHA512

      b3ead28bb1f4b87b0c36c129864a8af34fc11e5e9feaa047d4ca0525bec379d07c8efee259ede8832b65b3c03ef4396c9202989249199f7037d56439187f147b

    • \??\c:\program files\rdp wrapper\rdpwrap.dll

      Filesize

      114KB

      MD5

      461ade40b800ae80a40985594e1ac236

      SHA1

      b3892eef846c044a2b0785d54a432b3e93a968c8

      SHA256

      798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

      SHA512

      421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

    • \??\c:\program files\rdp wrapper\rdpwrap.ini

      Filesize

      433KB

      MD5

      92bc5fedb559357aa69d516a628f45dc

      SHA1

      6468a9fa0271724e70243eab49d200f457d3d554

      SHA256

      85cd5cd634fa8bbbf8d71b0a7d49a58870ef760da6d6e7789452cae4cab28127

      SHA512

      87e210e22631c1a394918859213140a7c54b75aec9bbc4f44509959d15cfa14abcbfeb1adf9cffa11b2e88f84a8708f67e842d859e63394b7f6036ce934c3cc9

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/1576-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/1576-6-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/1576-3-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/1576-8-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/1576-145-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/1576-119-0x0000000000400000-0x0000000000643000-memory.dmp

      Filesize

      2.3MB

    • memory/1620-143-0x0000000000400000-0x00000000005BE000-memory.dmp

      Filesize

      1.7MB

    • memory/1728-90-0x0000000072750000-0x0000000072E3E000-memory.dmp

      Filesize

      6.9MB

    • memory/1728-78-0x0000000000B70000-0x0000000000BD8000-memory.dmp

      Filesize

      416KB

    • memory/1728-77-0x000000007275E000-0x000000007275F000-memory.dmp

      Filesize

      4KB

    • memory/2192-107-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/2192-109-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/2192-111-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/2316-7-0x0000000073CB0000-0x000000007439E000-memory.dmp

      Filesize

      6.9MB

    • memory/2316-1-0x00000000001C0000-0x00000000001F8000-memory.dmp

      Filesize

      224KB

    • memory/2316-0-0x0000000073CBE000-0x0000000073CBF000-memory.dmp

      Filesize

      4KB

    • memory/2316-116-0x0000000073CB0000-0x000000007439E000-memory.dmp

      Filesize

      6.9MB

    • memory/2516-121-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2516-120-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2516-128-0x000000001FC20000-0x000000001FE7F000-memory.dmp

      Filesize

      2.4MB

    • memory/2516-138-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2516-139-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2516-80-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2516-91-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2516-86-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3348-105-0x0000000002B60000-0x0000000002B78000-memory.dmp

      Filesize

      96KB

    • memory/3348-102-0x0000000000960000-0x0000000000978000-memory.dmp

      Filesize

      96KB

    • memory/3632-101-0x0000000000740000-0x00000000007A2000-memory.dmp

      Filesize

      392KB