Analysis

  • max time kernel
    281s
  • max time network
    278s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 22:42

General

  • Target

    778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438.exe

  • Size

    403KB

  • MD5

    bf79b53eeeecf5b81ccf98167ad94a75

  • SHA1

    12dba5935f7f538fc49c067150a896a90380b0f6

  • SHA256

    778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438

  • SHA512

    19d420f8792b3782ea38b44329778cceeee8cf9777a3e0e762065f8a1243a8961e241adc8a6926592e95f0bf42ac92e7b575a4d34bddfce6344c421e9ff7c828

  • SSDEEP

    12288:36t83udUndCdsSvje1Lyu4h1oPk/KiGEO:w8+OnVLqoc/KZt

Malware Config

Extracted

Family

vidar

Version

11

Botnet

58cd250b15e666e5f72fcf5caa6cb131

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

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://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 24 IoCs
  • Lumma Stealer, LummaC

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

  • 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 16 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 14 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438.exe
    "C:\Users\Admin\AppData\Local\Temp\778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2120
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2376
      • 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
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2552
        • C:\ProgramData\KECGDBFCBK.exe
          "C:\ProgramData\KECGDBFCBK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2820
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:2472
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              • Modifies system certificate store
              PID:748
          • C:\ProgramData\BFBGCFCFHC.exe
            "C:\ProgramData\BFBGCFCFHC.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2436
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:2176
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                • System Location Discovery: System Language Discovery
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                PID:800
            • C:\ProgramData\DGHIECGCBK.exe
              "C:\ProgramData\DGHIECGCBK.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              PID:2520
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c net user
                4⤵
                • System Location Discovery: System Language Discovery
                PID:2712
                • C:\Windows\SysWOW64\net.exe
                  net user
                  5⤵
                  • System Location Discovery: System Language Discovery
                  PID:2640
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 user
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2284
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
                4⤵
                • Loads dropped DLL
                • System Location Discovery: System Language Discovery
                PID:2028
                • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe
                  C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe -i
                  5⤵
                  • 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:1616
                  • C:\Windows\system32\netsh.exe
                    netsh advfirewall firewall add rule name="Remote Desktop" dir=in protocol=tcp localport=3389 profile=any action=allow
                    6⤵
                    • Modifies Windows Firewall
                    • Event Triggered Execution: Netsh Helper DLL
                    PID:2804
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHIECBAFBFHI" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              PID:2292
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:2020

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\BFBGCFCFHC.exe

          Filesize

          403KB

          MD5

          f73186df5a030cf7f186b0737c3af1f7

          SHA1

          d15e45feefbbc010db92ae897d80bc7419c0d046

          SHA256

          05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

          SHA512

          a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

        • C:\ProgramData\DGHIECGCBK.exe

          Filesize

          72KB

          MD5

          8a4026e4d33a227ff1df5837235782c5

          SHA1

          b6ea86727f17ebfea03651354c8380d0803fcfb9

          SHA256

          d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

          SHA512

          9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0270780F846F08BEFE0DD8112D932FEF

          Filesize

          740B

          MD5

          11e7ed8e77d5c5144c6d1bef06b5be22

          SHA1

          b7fae468b2758034ed0f376420bb295286cfa37a

          SHA256

          3a109e81d9a9c15fa4fcec340c0170eb11a74dfd4450344a298d13527d7d2b78

          SHA512

          80af97611246eb51f01ab892b63c72a4f492d4fc3811c5b2f569c4d633b162f18d55861f3088d3a97357da8dd9a4589d6c53d82ba48bc06eba553131935224c8

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0270780F846F08BEFE0DD8112D932FEF

          Filesize

          264B

          MD5

          ad6b27c964264f673164a9b3b9a502b3

          SHA1

          6000fb8f934fad7e1dce763733e339ea258dfb47

          SHA256

          3ef2bf13eb501cac5fa0eeca4a22cd2e1b1815e0a4f1fc507037260c6d7d4065

          SHA512

          af0558ee00e80e5c7a9009abfeeca17b40679f41a5e0906d1f8ebc70ff9120a3b577f2cf4c9028988dc207b2bf95fb02f51f0e8dfbe73c719a5e2f99fff40be1

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          be2e765c714abbbbbb02512a9c8f322e

          SHA1

          1e820d959b15ebc6c6353d9c0cace1541864427a

          SHA256

          ceed0020ba63d51297cd1dc8c217a94b260e3a04a4d30667481a1dda930fe2bb

          SHA512

          8e4848f5916bed889439433b0d1f6b093c9de9709b8455d0ff1886ee885b644725c747310b105129799fdcdfc54e9ac33ba2bb321def380d3ae5aecfb1d33c4b

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          29c43522e28bb7358dfb712b6e9f56ea

          SHA1

          d2989ff1c1b368e24b28311ebf9ddcd6ea4c92f2

          SHA256

          4e52bb8481ea9feb5b467b228a91bde08690d9259384fa7a4c592a5b32357b94

          SHA512

          bcdb4c9242118c5bf1d6d2a41976b2cb6818e964270a30a94894a693bc045b17afa960194abf899a82dfc7aec59e119629ed433e383025064b0381ac8141dd16

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WCATT3E5\76561199780418869[1].htm

          Filesize

          33KB

          MD5

          77cd24171575c5b1c94ab8c7007a3195

          SHA1

          5577a3937b94a971e3bf947672013da0ae342de2

          SHA256

          89830318624c34e2afc337afda397ed87249e2bf4ee59fbae287d2e2320e3252

          SHA512

          f9e0ec8d161c3f4b00163f946da82996cabf09e1ca569293490d54d3235d4b5c0b6153b1a9c7cf448a606cf348ef879f53f04f9fda2295305db4319a122fc13f

        • C:\Users\Admin\AppData\Local\Temp\CabD6D1.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\TarD703.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\KECGDBFCBK.exe

          Filesize

          376KB

          MD5

          47697a60a96c5adef362d8da9a274b7d

          SHA1

          16dbc512f121c27e2cb48a61d6dcf166aa792e0d

          SHA256

          63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

          SHA512

          4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

        • \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/748-525-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-527-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-518-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-519-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-520-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-521-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-522-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-530-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/748-523-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/800-570-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-576-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-792-0x000000001DC30000-0x000000001DE8F000-memory.dmp

          Filesize

          2.4MB

        • memory/800-584-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-755-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-582-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-581-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-572-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-574-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/800-578-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/1616-651-0x0000000000400000-0x00000000005BE000-memory.dmp

          Filesize

          1.7MB

        • memory/2120-7-0x0000000074DA0000-0x000000007548E000-memory.dmp

          Filesize

          6.9MB

        • memory/2120-0-0x0000000074DAE000-0x0000000074DAF000-memory.dmp

          Filesize

          4KB

        • memory/2120-20-0x0000000074DA0000-0x000000007548E000-memory.dmp

          Filesize

          6.9MB

        • memory/2120-1-0x00000000011B0000-0x0000000001218000-memory.dmp

          Filesize

          416KB

        • memory/2436-548-0x0000000000990000-0x00000000009F8000-memory.dmp

          Filesize

          416KB

        • memory/2520-614-0x00000000002F0000-0x0000000000308000-memory.dmp

          Filesize

          96KB

        • memory/2520-604-0x00000000008E0000-0x00000000008F8000-memory.dmp

          Filesize

          96KB

        • memory/2552-11-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-201-0x0000000020210000-0x000000002046F000-memory.dmp

          Filesize

          2.4MB

        • memory/2552-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2552-182-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-8-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-362-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-212-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-642-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-5-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-381-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-424-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-3-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-163-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-12-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-231-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-15-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-19-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-58-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-443-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-21-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-17-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2552-10-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2820-497-0x0000000073ADE000-0x0000000073ADF000-memory.dmp

          Filesize

          4KB

        • memory/2820-498-0x0000000000E20000-0x0000000000E82000-memory.dmp

          Filesize

          392KB

        • memory/2820-529-0x0000000073AD0000-0x00000000741BE000-memory.dmp

          Filesize

          6.9MB