Analysis

  • max time kernel
    93s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 05:40

General

  • Target

    file.exe

  • Size

    5.4MB

  • MD5

    cb001c3f82f9c3386ac03c2718f69ca4

  • SHA1

    4cdf57dcdeb3c3ebbac40f7b5d8846da1a9b3f46

  • SHA256

    ef42f7622666c1999fd34ca34489da81a0bdfc38a9105deae3fb7086a78280d5

  • SHA512

    42508b96b9339e37766c25b4d826a4b5f2883ace5f51964f70457d33b636bfa1c1421a22751ec0bd856471fb85510512b48ca3486f5593a3720a6582d30f647e

  • SSDEEP

    98304:sZVMlgGcASSOZMajAIuvkD2Lec3PYs7ecbwJMpjva81bkKyNTR1eXzs0cF:AMaGwEaj4vxeMQmecbuTRkzs5

Malware Config

Extracted

Family

vidar

Version

11

Botnet

adff67a4d89d160d64a32272a3076979

C2

https://t.me/jamsemlg

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

Extracted

Family

vidar

Version

11

Botnet

ffa0fc7713f6625bf874f947bcf3df53

C2

https://t.me/jamsemlg

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://offensivedzvju.shop/api

Signatures

  • Detect Vidar Stealer 18 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 8 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:588
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4076
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4940
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:2152
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
            • Checks computer location settings
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:5096
            • C:\ProgramData\JJECGHJDBF.exe
              "C:\ProgramData\JJECGHJDBF.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4660
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:3804
                • 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
                  PID:460
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -u -p 460 -s 1348
                    5⤵
                    • Program crash
                    PID:2852
              • C:\ProgramData\DGCAAAFCBF.exe
                "C:\ProgramData\DGCAAAFCBF.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1512
                • 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:3400
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAFHIJDHDGDB" & exit
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2936
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:5028
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 460 -ip 460
            1⤵
              PID:1688

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\ProgramData\BKFIJJEGHDAE\FHJEGI

              Filesize

              160KB

              MD5

              f310cf1ff562ae14449e0167a3e1fe46

              SHA1

              85c58afa9049467031c6c2b17f5c12ca73bb2788

              SHA256

              e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

              SHA512

              1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

            • C:\ProgramData\DGCAAAFCBF.exe

              Filesize

              5.4MB

              MD5

              8d556f35d2768d27b334d0e76d4d3295

              SHA1

              33f2fbfe5c2b3d3d470bbf28c20e15283e20717c

              SHA256

              2bdab82a67299ff24cca7e0884c17fab80f45b364ba718142c80bdfbd573b581

              SHA512

              eadec8014bc15d1f72c44e5a45a2546a450d3c529aecc21d850ea50ebda1b5d47d569b4c6aef4215c402db87efbac7550736d28bc101d920f900ea80f83bc4ea

            • C:\ProgramData\JJECGHJDBF.exe

              Filesize

              371KB

              MD5

              687846a623c1fe1da95f0fa2fe4479df

              SHA1

              6609d10980800b669e723d4c660c421e27695a29

              SHA256

              bfc7b367d52504b184d127e385219006c1efc7e985d608c000e5eb3a204fc779

              SHA512

              fe150d4f02532ca3d5aa37c6d14741a0a9c0290854ac6924da282ad6585b47bf98e8443aa4281ea89788b8e906f8d11d49b3e88a11e10d4d67b6e2605004a9c3

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8B2B9A00839EED1DFDCCC3BFC2F5DF12

              Filesize

              1KB

              MD5

              7fb5fa1534dcf77f2125b2403b30a0ee

              SHA1

              365d96812a69ac0a4611ea4b70a3f306576cc3ea

              SHA256

              33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

              SHA512

              a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

              Filesize

              436B

              MD5

              971c514f84bba0785f80aa1c23edfd79

              SHA1

              732acea710a87530c6b08ecdf32a110d254a54c8

              SHA256

              f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

              SHA512

              43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

              Filesize

              174B

              MD5

              4d6819fca8f9561320a44c0c04ad0487

              SHA1

              391ad5b3715f6ce567cbd526b6e7ab1afa0e78f3

              SHA256

              94d601459c130529eeca76300abaa44c9a449b1242282b35727e703b78df0141

              SHA512

              0858c946037ee28f6d5ab4720607d44c7cc5a3b0e33dc6735446620cc33e15d393f6cd4c3bc76e72516559c0cdd29b159027297ea5069c467e91c239391f588b

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

              Filesize

              170B

              MD5

              c3878b3217265bda9ec838f6801133de

              SHA1

              ce653d63d04af2d974d7efde8baeed6d2bf6614e

              SHA256

              1b11008a0bf76110adc063e48615dc081a7eafe3b047defcedfab39ea6532915

              SHA512

              41b37b22b03ff3abfc5c7adfd5d12fef957ff36c0a55b8e471b1d2c4a74dcdcaf187864359bff1f110985b015b1b5574b432ff10b5eee23f55878b5ba5e54661

            • memory/460-108-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/460-148-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/460-114-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/460-111-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/588-9-0x0000000074840000-0x0000000074FF0000-memory.dmp

              Filesize

              7.7MB

            • memory/588-0-0x000000007484E000-0x000000007484F000-memory.dmp

              Filesize

              4KB

            • memory/588-1-0x0000000000DA0000-0x000000000130A000-memory.dmp

              Filesize

              5.4MB

            • memory/1512-129-0x00000000008F0000-0x0000000000E5A000-memory.dmp

              Filesize

              5.4MB

            • memory/3400-141-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/3400-137-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/3400-172-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/3400-150-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/3400-171-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/3400-149-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/3400-139-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/4660-115-0x0000000072AF0000-0x00000000732A0000-memory.dmp

              Filesize

              7.7MB

            • memory/4660-106-0x0000000072AFE000-0x0000000072AFF000-memory.dmp

              Filesize

              4KB

            • memory/4660-105-0x0000000000810000-0x0000000000870000-memory.dmp

              Filesize

              384KB

            • memory/4660-113-0x0000000072AF0000-0x00000000732A0000-memory.dmp

              Filesize

              7.7MB

            • memory/5096-29-0x0000000061E00000-0x0000000061EF3000-memory.dmp

              Filesize

              972KB

            • memory/5096-55-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-28-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-72-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-27-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-6-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-8-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-90-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-3-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-73-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-91-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB

            • memory/5096-56-0x0000000000400000-0x0000000000B77000-memory.dmp

              Filesize

              7.5MB