Analysis

  • max time kernel
    136s
  • max time network
    52s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 07:34

General

  • Target

    49b342bc51fce077b6079d1473f88d69c6351ad2fdcee09abc47daee8f8fb368.exe

  • Size

    326KB

  • MD5

    cd1dd15260d20a8c28df1556bc0c5983

  • SHA1

    c47ef32d02d874bca3aad6744f34d22978a5726d

  • SHA256

    49b342bc51fce077b6079d1473f88d69c6351ad2fdcee09abc47daee8f8fb368

  • SHA512

    48628f7f6f0e6c8cfa2a442a21cfff2fde302d56ae98926d883069265689c03ad17d3a83ab9935a38f3eaec1559e83bdba53f4b05e2449c25c175a9d81c67f4f

  • SSDEEP

    6144:wklJXiLEvKWkSRffjD4EfdBOomRKjp1xzN3MQzY9W6+tommuHEO:VlViLiPxRXjsETOfK9t3bR6+Gm9EO

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 9 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.

  • Grants admin privileges 1 TTPs

    Uses net.exe to modify the user's privileges.

  • Downloads MZ/PE file
  • Modifies Windows Firewall 2 TTPs 2 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 7 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 6 IoCs

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

  • Permission Groups Discovery: Local Groups 1 TTPs

    Attempt to find local system groups and permission settings.

  • System Location Discovery: System Language Discovery 1 TTPs 26 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.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\49b342bc51fce077b6079d1473f88d69c6351ad2fdcee09abc47daee8f8fb368.exe
    "C:\Users\Admin\AppData\Local\Temp\49b342bc51fce077b6079d1473f88d69c6351ad2fdcee09abc47daee8f8fb368.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2520
    • 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:2540
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminDGDAEHCBGI.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1940
        • C:\Users\AdminDGDAEHCBGI.exe
          "C:\Users\AdminDGDAEHCBGI.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2812
          • 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:2700
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminFHIDBKFCAA.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2500
        • C:\Users\AdminFHIDBKFCAA.exe
          "C:\Users\AdminFHIDBKFCAA.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2668
          • 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
            • Modifies system certificate store
            PID:1176
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\AdminCBAKEBGIID.exe"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1508
        • C:\Users\AdminCBAKEBGIID.exe
          "C:\Users\AdminCBAKEBGIID.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1828
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net user
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1240
            • C:\Windows\SysWOW64\net.exe
              net user
              6⤵
              • System Location Discovery: System Language Discovery
              PID:3040
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 user
                7⤵
                • System Location Discovery: System Language Discovery
                PID:1328
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:1320
            • 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
              PID:2352
              • 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:352
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net user RDPUser_2071e554 eA2Koo9eTsMK /add
            5⤵
            • System Location Discovery: System Language Discovery
            PID:688
            • C:\Windows\SysWOW64\net.exe
              net user RDPUser_2071e554 eA2Koo9eTsMK /add
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2080
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 user RDPUser_2071e554 eA2Koo9eTsMK /add
                7⤵
                • System Location Discovery: System Language Discovery
                PID:1948
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net localgroup
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2004
            • C:\Windows\SysWOW64\net.exe
              net localgroup
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2036
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 localgroup
                7⤵
                • System Location Discovery: System Language Discovery
                PID:2480
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c netsh advfirewall firewall add rule name="RDP" dir=in action=allow protocol=tcp localport=3389
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2476
            • C:\Windows\SysWOW64\netsh.exe
              netsh advfirewall firewall add rule name="RDP" dir=in action=allow protocol=tcp localport=3389
              6⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              • System Location Discovery: System Language Discovery
              PID:2444
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net localgroup "Administrators" RDPUser_2071e554 /add
            5⤵
            • System Location Discovery: System Language Discovery
            PID:300
            • C:\Windows\SysWOW64\net.exe
              net localgroup "Administrators" RDPUser_2071e554 /add
              6⤵
              • System Location Discovery: System Language Discovery
              PID:1692
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 localgroup "Administrators" RDPUser_2071e554 /add
                7⤵
                • System Location Discovery: System Language Discovery
                PID:1696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\AdminCBAKEBGIID.exe

    Filesize

    72KB

    MD5

    3fcbaacca9cc6dccf0649f5abb8b73eb

    SHA1

    b0c5d6768b041c992db13adbf9d1152eae2dcfe4

    SHA256

    a50e7f2b8528539d7f9eee179010f35c20ad3854e773e40a98023d594113653a

    SHA512

    055313b85862f58573a589785b3d6a63ff41b105fd78bd7956dff7ec532075cc03954ae492f50562ed5faa6850656570a22552c75a5e47ea768ced8893768ac6

  • C:\Users\AdminFHIDBKFCAA.exe

    Filesize

    376KB

    MD5

    47697a60a96c5adef362d8da9a274b7d

    SHA1

    16dbc512f121c27e2cb48a61d6dcf166aa792e0d

    SHA256

    63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

    SHA512

    4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

  • C:\Users\Admin\AppData\Local\Temp\CabA90D.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    1.7MB

    MD5

    c213162c86bb943bcdf91b3df381d2f6

    SHA1

    8ec200e2d836354a62f16cdb3eed4bb760165425

    SHA256

    ac91b2a2db1909a2c166e243391846ad8d9ede2c6fcfd33b60acf599e48f9afc

    SHA512

    b3ead28bb1f4b87b0c36c129864a8af34fc11e5e9feaa047d4ca0525bec379d07c8efee259ede8832b65b3c03ef4396c9202989249199f7037d56439187f147b

  • C:\Users\Admin\AppData\Local\Temp\TarA97E.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Program Files\RDP Wrapper\rdpwrap.dll

    Filesize

    114KB

    MD5

    461ade40b800ae80a40985594e1ac236

    SHA1

    b3892eef846c044a2b0785d54a432b3e93a968c8

    SHA256

    798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

    SHA512

    421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

  • \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

  • \Users\AdminDGDAEHCBGI.exe

    Filesize

    403KB

    MD5

    f73186df5a030cf7f186b0737c3af1f7

    SHA1

    d15e45feefbbc010db92ae897d80bc7419c0d046

    SHA256

    05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

    SHA512

    a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

  • memory/1176-115-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1176-117-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1176-113-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1176-124-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1176-119-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1176-121-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1176-125-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1176-127-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1828-148-0x0000000000470000-0x0000000000488000-memory.dmp

    Filesize

    96KB

  • memory/1828-131-0x0000000000E70000-0x0000000000E88000-memory.dmp

    Filesize

    96KB

  • memory/2520-0-0x0000000073D0E000-0x0000000073D0F000-memory.dmp

    Filesize

    4KB

  • memory/2520-17-0x0000000073D00000-0x00000000743EE000-memory.dmp

    Filesize

    6.9MB

  • memory/2520-1-0x00000000000C0000-0x0000000000116000-memory.dmp

    Filesize

    344KB

  • memory/2540-5-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-21-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2540-3-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-349-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-9-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-20-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-167-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-19-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-7-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-16-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-11-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2540-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2540-14-0x0000000000400000-0x0000000000661000-memory.dmp

    Filesize

    2.4MB

  • memory/2668-109-0x00000000010A0000-0x0000000001102000-memory.dmp

    Filesize

    392KB

  • memory/2700-95-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-316-0x0000000020340000-0x000000002059F000-memory.dmp

    Filesize

    2.4MB

  • memory/2700-94-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2700-93-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-92-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-91-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-90-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-89-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-88-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-105-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-346-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-278-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-297-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2700-97-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2812-85-0x0000000000F60000-0x0000000000FC8000-memory.dmp

    Filesize

    416KB

  • memory/2812-87-0x00000000023D0000-0x00000000043D0000-memory.dmp

    Filesize

    32.0MB

  • memory/2812-86-0x0000000072C1E000-0x0000000072C1F000-memory.dmp

    Filesize

    4KB

  • memory/2812-104-0x0000000072C10000-0x00000000732FE000-memory.dmp

    Filesize

    6.9MB