Analysis

  • max time kernel
    197s
  • max time network
    299s
  • 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 23:17

General

  • Target

    eba091f4887e9bc9e0308d4e7830b2ae7b50eddb7c53425bd78db0f959ed6524.exe

  • Size

    326KB

  • MD5

    4ecc9d9d93e5ff84765dacbb1e54a4c9

  • SHA1

    f2f796276b0aa4adcc02f6b9d11aabf1d97f9a06

  • SHA256

    eba091f4887e9bc9e0308d4e7830b2ae7b50eddb7c53425bd78db0f959ed6524

  • SHA512

    dc093ad97b34a5afad3c324c24425c950f48d5601444c044a718a0e47355a8f125d54a07fd8969ab85a00cce2d3c148a7dc2dcb4628647ed2c8e1ba50955b8cd

  • SSDEEP

    6144:t8Dq7rJx+8v1/uqlAY1IyC2izMNaTPXECyd1uVhf11kNSEO:KDq6OlA2jjizMGXET4XfAkEO

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\eba091f4887e9bc9e0308d4e7830b2ae7b50eddb7c53425bd78db0f959ed6524.exe
    "C:\Users\Admin\AppData\Local\Temp\eba091f4887e9bc9e0308d4e7830b2ae7b50eddb7c53425bd78db0f959ed6524.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4988
    • 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:4600
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminJDAKJDAAFB.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1316
        • C:\Users\AdminJDAKJDAAFB.exe
          "C:\Users\AdminJDAKJDAAFB.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1424
          • 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:1780
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCGCFBFBGHD.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3764
        • C:\Users\AdminCGCFBFBGHD.exe
          "C:\Users\AdminCGCFBFBGHD.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1312
          • 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:1464
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminHIJJEGDBFI.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4356
        • C:\Users\AdminHIJJEGDBFI.exe
          "C:\Users\AdminHIJJEGDBFI.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3356
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net user
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:832
            • C:\Windows\SysWOW64\net.exe
              net user
              6⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2184
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 user
                7⤵
                • System Location Discovery: System Language Discovery
                PID:2340
          • 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:1968
            • 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:440
              • 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:1036
  • \??\c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k networkservice -s TermService
    1⤵
      PID:5008
    • 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:1680

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\AdminCGCFBFBGHD.exe

      Filesize

      376KB

      MD5

      47697a60a96c5adef362d8da9a274b7d

      SHA1

      16dbc512f121c27e2cb48a61d6dcf166aa792e0d

      SHA256

      63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

      SHA512

      4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

    • C:\Users\AdminHIJJEGDBFI.exe

      Filesize

      72KB

      MD5

      8a4026e4d33a227ff1df5837235782c5

      SHA1

      b6ea86727f17ebfea03651354c8380d0803fcfb9

      SHA256

      d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

      SHA512

      9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

    • C:\Users\AdminJDAKJDAAFB.exe

      Filesize

      403KB

      MD5

      f73186df5a030cf7f186b0737c3af1f7

      SHA1

      d15e45feefbbc010db92ae897d80bc7419c0d046

      SHA256

      05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

      SHA512

      a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

    • 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/440-124-0x0000000000400000-0x00000000005BE000-memory.dmp

      Filesize

      1.7MB

    • memory/1312-98-0x0000000000CA0000-0x0000000000D02000-memory.dmp

      Filesize

      392KB

    • memory/1424-75-0x0000000071DFE000-0x0000000071DFF000-memory.dmp

      Filesize

      4KB

    • memory/1424-76-0x0000000000450000-0x00000000004B8000-memory.dmp

      Filesize

      416KB

    • memory/1464-104-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/1464-105-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/1464-101-0x0000000000400000-0x0000000000465000-memory.dmp

      Filesize

      404KB

    • memory/1780-123-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1780-125-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1780-142-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1780-141-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1780-127-0x0000000020350000-0x00000000205AF000-memory.dmp

      Filesize

      2.4MB

    • memory/1780-81-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1780-85-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/1780-83-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/3356-99-0x00000000025B0000-0x00000000025C8000-memory.dmp

      Filesize

      96KB

    • memory/3356-96-0x0000000000620000-0x0000000000638000-memory.dmp

      Filesize

      96KB

    • memory/4600-8-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/4600-9-0x0000000061E00000-0x0000000061EF3000-memory.dmp

      Filesize

      972KB

    • memory/4600-3-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/4600-126-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/4600-6-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/4600-144-0x0000000000400000-0x0000000000661000-memory.dmp

      Filesize

      2.4MB

    • memory/4988-1-0x0000000000880000-0x00000000008D6000-memory.dmp

      Filesize

      344KB

    • memory/4988-0-0x000000007329E000-0x000000007329F000-memory.dmp

      Filesize

      4KB

    • memory/4988-7-0x0000000073290000-0x000000007397E000-memory.dmp

      Filesize

      6.9MB