Analysis

  • max time kernel
    105s
  • max time network
    132s
  • 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 06:37

General

  • Target

    file.exe

  • Size

    292KB

  • MD5

    a714209db1b2b68a95e680df111922ed

  • SHA1

    5533ed29bf3239839e6acf03965cf27ddf4f4138

  • SHA256

    7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86

  • SHA512

    25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55

  • SSDEEP

    6144:V58+UTYNUsagLAxjDbXxw0HVmjE+IPgkeHeNQZzgSEO:1UTqUsJLunxDVm9IIVOw0SEO

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 17 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 41 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:1228
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4504
      • 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:2420
        • C:\ProgramData\CFHCGHJDBF.exe
          "C:\ProgramData\CFHCGHJDBF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1564
          • 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:4884
        • C:\ProgramData\EHIJDHCAKK.exe
          "C:\ProgramData\EHIJDHCAKK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3756
          • 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:2428
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJKFHDBKFCAA" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          PID:3680
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:4564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\CFHCGHJDBF.exe

      Filesize

      352KB

      MD5

      6f4a0ae013610785ad54438f4af26f1a

      SHA1

      c8ff55002963dde8457db2b11f68e67a070ddb21

      SHA256

      ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d

      SHA512

      6f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3

    • C:\ProgramData\EHIJDHCAKK.exe

      Filesize

      292KB

      MD5

      a714209db1b2b68a95e680df111922ed

      SHA1

      5533ed29bf3239839e6acf03965cf27ddf4f4138

      SHA256

      7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86

      SHA512

      25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55

    • C:\ProgramData\HIIIDAKKJJJK\BAFCFH

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • 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

      0c1f359ad07a2575c5fe075f6e50f7fb

      SHA1

      5c538d4cd7191ce35d64be42edb0c31e6af2c029

      SHA256

      3a17b7324bb3d9892695fc1ceab035880c37d03bf01cc994a0eb0f64e6d3b33a

      SHA512

      6963d3efb28b19a5fd3d2a33c8e927092caca85170c68a8077b585123849a94e829f992fc9ab103298f2440489f78a80fd09cc8463474266084849e336aeed0c

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

      Filesize

      450B

      MD5

      0a23a7e08523399ea07192296d0c3088

      SHA1

      52e3676e712e07c5c892bf8663bd693be4521683

      SHA256

      9f56e6506646847867c0bd08891dad93ffc46dd0a41279ec424e9a9413f345cc

      SHA512

      aa9f07ecc27b7a9b75283bcfe30027328c62c87f907c003b81493fd3d1d418bb0313fbc556303858f7f541a0e4cd1e8191d287a559db027ee4a7928767993b32

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

      Filesize

      458B

      MD5

      76c7b15cec13ecf488ec0c5a93a19c70

      SHA1

      f2b9759194c22440875fe35af144092bacb70a63

      SHA256

      96ee4f49777e6b0128bd83ef0b20bf1850460904fcd4ffa69e01bd997a1bf9d2

      SHA512

      7e392bc993d552aed12e0e24e9cb73afcba666cf6f0de9f5d0e135ebdc18b105f7c98f8bf23891886673a6b477893aa39b3f17c440d0983504aa82076b9a7204

    • memory/1228-7-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1228-0-0x000000007453E000-0x000000007453F000-memory.dmp

      Filesize

      4KB

    • memory/1228-6-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1228-2-0x0000000074530000-0x0000000074CE0000-memory.dmp

      Filesize

      7.7MB

    • memory/1228-1-0x00000000009A0000-0x00000000009EA000-memory.dmp

      Filesize

      296KB

    • memory/1564-131-0x0000000071A70000-0x0000000072220000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-122-0x0000000071A70000-0x0000000072220000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-112-0x0000000071A70000-0x0000000072220000-memory.dmp

      Filesize

      7.7MB

    • memory/1564-111-0x0000000000C90000-0x0000000000CEA000-memory.dmp

      Filesize

      360KB

    • memory/1564-110-0x0000000071A7E000-0x0000000071A7F000-memory.dmp

      Filesize

      4KB

    • memory/2420-27-0x00000000229D0000-0x0000000022C2F000-memory.dmp

      Filesize

      2.4MB

    • memory/2420-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-43-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2420-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2428-149-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2428-150-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2428-151-0x00000000203D0000-0x000000002062F000-memory.dmp

      Filesize

      2.4MB

    • memory/2428-165-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2428-166-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4884-117-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/4884-123-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/4884-114-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB