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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2024, 06:42

General

  • Target

    file.exe

  • Size

    292KB

  • MD5

    fede424830238cf2c2e661b5cb12e584

  • SHA1

    5a8f787c25eccd1e5a8d293625ef80c5d416da19

  • SHA256

    72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0

  • SHA512

    713891e18a615e7013f555d05b08eb91e7520b94e1bba0fa0483c29f6f3af5ef8f2055b2e35e8e83b75cd41256b5fd86405318b87440da463b82daedfd8ac39f

  • SSDEEP

    6144:SUehHGTrrMAUWyioL61kWNVREN/EFO2LYuNJReyViEO:SU7nz4s1kWNvEVLTuplIEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

C2

https://keennylrwmqlw.shop/api

https://licenseodqwmqn.shop/api

https://tendencctywop.shop/api

https://tesecuuweqo.shop/api

https://relaxatinownio.shop/api

https://reggwardssdqw.shop/api

https://eemmbryequo.shop/api

https://tryyudjasudqo.shop/api

Signatures

  • Detect Vidar Stealer 20 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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • Loads dropped DLL 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 2 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).

  • 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 44 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:2292
    • 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
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4304
      • C:\ProgramData\EGHCAKKEGC.exe
        "C:\ProgramData\EGHCAKKEGC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2920
        • 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:1868
      • C:\ProgramData\JECBGCFHCF.exe
        "C:\ProgramData\JECBGCFHCF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4636
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4344
          • 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:4480
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AEBGIEGCFHCF" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2876
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\BKFBAECBAEGD\BAECFH

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\EGHCAKKEGC.exe

      Filesize

      352KB

      MD5

      6f4a0ae013610785ad54438f4af26f1a

      SHA1

      c8ff55002963dde8457db2b11f68e67a070ddb21

      SHA256

      ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d

      SHA512

      6f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3

    • C:\ProgramData\JECBGCFHCF.exe

      Filesize

      292KB

      MD5

      a714209db1b2b68a95e680df111922ed

      SHA1

      5533ed29bf3239839e6acf03965cf27ddf4f4138

      SHA256

      7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86

      SHA512

      25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55

    • C:\ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • C:\ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

      Filesize

      2KB

      MD5

      6bfa4438231e0c1dec70cb1b1dc23963

      SHA1

      f75144276248f49cf6264ffe8af11ad6318eaa9b

      SHA256

      b34da0ff4c8f3d724a7384d6ea6e2afef4aef858643f5b751519b98d17c03175

      SHA512

      55e833538700a73c82d06d04d5c1ba7f38c38cb1581b7af7ae1dcb564b246eb8870e1a7ea529bac8a72dac3339303db475544a6471a64d4e9e221ec54286436f

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

      Filesize

      2KB

      MD5

      ed1b8c9857cb3300612b9339f6f4d22c

      SHA1

      4e53e144ca4e1851898b590df4853f3a0cb41761

      SHA256

      fba16f4ffd6fd89df324ba7a28c27fd7931d2e96c33548f1c0738f8f86f211a0

      SHA512

      69c55660c13829052f8e34a946c302d41c687e7300073a58c3d16033631537c5ce21653335e8925caf178bd636ac9c340ba74de23ba19c2dbeb9ae608e6033cc

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

      Filesize

      1KB

      MD5

      ff247b273beb82e454dfe89b75fab6c3

      SHA1

      bf42c1951a1f6bd8c5a2b8b5a78e293599595b36

      SHA256

      d7067700eb000ffaec1d567a39d77a72b01347c76ac369ed7fcea2d088fa324d

      SHA512

      32cb871655593f7020b33b0e3e1f5328fafc0e6e382db2b73d91432265809309a16992d6a94e55ab9034986c1281a2ab23389fe2348c2401c6a7f9a56d617d0c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

      Filesize

      458B

      MD5

      a6edf1afd2f7a72c7f32134341311d3d

      SHA1

      db498670f00730593060122e0d065b4b19eb0140

      SHA256

      926051e16438b36c30c87b591f4f71b9506807f81550d538b7ee56698652a968

      SHA512

      ddcf0d6009cf1e777da03a8bdfb8d2eefeeac4899183ccbc899f83a39a177a124b61bbd98483c5919ab84e23f5595e421dc44686282dc1259016fa3d475d6935

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

      Filesize

      450B

      MD5

      b817b9d79b5030376e012c6e989d88ad

      SHA1

      f95ec92629c6bed818a19027c1a8429ee93f4472

      SHA256

      1a5e98d3ddb5b442033da3faf6fb8316f0fa00348a7f52b9d3f86d465e95f14d

      SHA512

      33a0e28814136b12e903dcddc356f51505c94656dfe039d7b816b70b64b60461ece150ef8085cfe72d14c28c368985811bc270c214ebdb1e82f857657793f06c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

      Filesize

      458B

      MD5

      939c074cbe75d5cde95ec70012815128

      SHA1

      b295aad18a2f7aa836fb66a88f7d72ee24104b6d

      SHA256

      5ba846123feb9953edc3453509a4e3b1c9180675de5f15f83df12f1d8c984ee8

      SHA512

      3f86a95092d89ab48ddbad1d363d6f4ba1907f8f6cdba2731e761750a5ea12acb64972ba325f083d4652c0d9cd1eae34dafd2d5ad1b60ddc821e17632b8fb1c6

    • memory/1868-119-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/1868-121-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/1868-114-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/2292-7-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2292-6-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2292-2-0x0000000074B20000-0x00000000752D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2292-0-0x0000000074B2E000-0x0000000074B2F000-memory.dmp

      Filesize

      4KB

    • memory/2292-1-0x0000000000E20000-0x0000000000E6A000-memory.dmp

      Filesize

      296KB

    • memory/2920-112-0x00000000739C0000-0x0000000074170000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-117-0x00000000739C0000-0x0000000074170000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-116-0x00000000739C0000-0x0000000074170000-memory.dmp

      Filesize

      7.7MB

    • memory/2920-110-0x00000000739CE000-0x00000000739CF000-memory.dmp

      Filesize

      4KB

    • memory/2920-111-0x0000000000160000-0x00000000001BA000-memory.dmp

      Filesize

      360KB

    • memory/4304-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-43-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4304-27-0x0000000022AA0000-0x0000000022CFF000-memory.dmp

      Filesize

      2.4MB

    • memory/4304-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4480-139-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4480-141-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4480-137-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4480-150-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4480-151-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4480-152-0x0000000022440000-0x000000002269F000-memory.dmp

      Filesize

      2.4MB

    • memory/4480-166-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4480-167-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4636-135-0x0000000000040000-0x000000000008A000-memory.dmp

      Filesize

      296KB