Analysis

  • max time kernel
    94s
  • max time network
    145s
  • 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 08:51

General

  • Target

    44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe

  • Size

    292KB

  • MD5

    26e1bcdecaa337ee8e8b3694603c803f

  • SHA1

    4d489fc1eb967acc177cdc5ff7cdd77dac3020d4

  • SHA256

    44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147

  • SHA512

    7c606989961c028555e27bb85658f7bc94d362f20b17702675eb24cb8a05ba0d52fa525e28ea74265d437ec3d09799481882fedbb987fc04edd5aafbfcdf623f

  • SSDEEP

    6144:O/U+c8P+Iwx+Sp66wGPJJNwK0LTyib+2VvW5EO:Os/9Jp6SBw7LTyiLW5EO

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 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe
    "C:\Users\Admin\AppData\Local\Temp\44408030fc2d6ab0d35a060e03f750a4d53dd9045debd1c189da636d07e86147.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:776
    • 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:3212
      • C:\ProgramData\JJJEBGDAFH.exe
        "C:\ProgramData\JJJEBGDAFH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4808
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4364
          • 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:1080
        • C:\ProgramData\CAEHJEBKFC.exe
          "C:\ProgramData\CAEHJEBKFC.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:428
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3448
            • 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:4304
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAEGHIJEHJDH" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3912
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4984

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\CAEHJEBKFC.exe

        Filesize

        292KB

        MD5

        a714209db1b2b68a95e680df111922ed

        SHA1

        5533ed29bf3239839e6acf03965cf27ddf4f4138

        SHA256

        7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86

        SHA512

        25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55

      • C:\ProgramData\EBGCGHIDHCBF\HCAFIJ

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\JJJEBGDAFH.exe

        Filesize

        352KB

        MD5

        6f4a0ae013610785ad54438f4af26f1a

        SHA1

        c8ff55002963dde8457db2b11f68e67a070ddb21

        SHA256

        ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d

        SHA512

        6f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3

      • 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

        62c5cca9c8b934e8b4dc220ac36f8ac4

        SHA1

        60151e9261c22fdbd9d956612fec64df9fa5c3ac

        SHA256

        a7aeb8e9a37eac23da57dbe3f8769099c4384c838931a42e33d7316c0d94fd5c

        SHA512

        b5c04cc643ee7ad74189e95477736090f99e4c26c5d8c4e67279044002415353a6210112c064653e9b1c345b960ff8090a1923e183d3692e565f403bf5ec11f1

      • 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

        8515f6b60a6e8becf75da139b0767c36

        SHA1

        a926e7923af47636662c56e51ec8e0485d0e7b61

        SHA256

        42f8b46499f0f8fd94833336b4bdc1e908cb2b6b719d72229764bef52b80a6d6

        SHA512

        67450b06ebcc344b6eee9e5913a741161b1cf081cdb0d4ea5a6224735b2d490c46f1cb4783299265ec13212672af49de8b271b284951c9c229c700468ed322d2

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

        Filesize

        458B

        MD5

        91c2e5ccde239fcc9426cca5c08df350

        SHA1

        77be3f97cac56bc6f676818c5bda0a8afb305ff5

        SHA256

        187c396a9edf71401d7960b0bf0e6e29e6879ce2d70ac45e537748fc26abaaa0

        SHA512

        4ef9bedfd6d5075d927b084367d380b9ab7d027e15ba6b14c70f42e1bbd0a9ebbe5995884e491c7190c764ae06eca3d8419e69cf6164ee36d3eb05fc20e7224e

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

        Filesize

        450B

        MD5

        c00be96a49592a19cdbae883f1f832b2

        SHA1

        a2cb19ce959dc9708d1bcf59873ff60230b9067e

        SHA256

        50c62a09653bebe8c8194cf32598a589baf543a50d0b38d70f33d7110e030941

        SHA512

        d0837db9a0300f8c4378ead20cd2336847a39042f07cdcbec7fba68b27f8df6e54dc675da6d80a5d7cf34eb8d4769258933db98576bb91accf6b263a6e532893

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

        Filesize

        458B

        MD5

        341a77d895ca923a2ed424c3fb95a2b4

        SHA1

        b7eb02b4d370c23db620ea3d38f26a1a79482ffe

        SHA256

        8d784044342714728b768148f0a0227788f38da39e4b24cff266fd7b887ce75a

        SHA512

        d7ad55250cb11f90d7d9a7ef2b1724e5434fe2f8263c0874ee3426897711cdf43cb4144599c917aaffc270f21fc66d8e1fb34a483d353b1af5dd9b9fd73e6e04

      • memory/428-134-0x0000000000C30000-0x0000000000C7A000-memory.dmp

        Filesize

        296KB

      • memory/776-7-0x00000000752E0000-0x0000000075A90000-memory.dmp

        Filesize

        7.7MB

      • memory/776-0-0x00000000752EE000-0x00000000752EF000-memory.dmp

        Filesize

        4KB

      • memory/776-1-0x0000000000F90000-0x0000000000FDA000-memory.dmp

        Filesize

        296KB

      • memory/776-2-0x00000000752E0000-0x0000000075A90000-memory.dmp

        Filesize

        7.7MB

      • memory/776-6-0x00000000752E0000-0x0000000075A90000-memory.dmp

        Filesize

        7.7MB

      • memory/1080-120-0x0000000000400000-0x000000000045C000-memory.dmp

        Filesize

        368KB

      • memory/1080-117-0x0000000000400000-0x000000000045C000-memory.dmp

        Filesize

        368KB

      • memory/1080-114-0x0000000000400000-0x000000000045C000-memory.dmp

        Filesize

        368KB

      • memory/3212-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-28-0x0000000022BC0000-0x0000000022E1F000-memory.dmp

        Filesize

        2.4MB

      • memory/3212-11-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-85-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-10-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-26-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-60-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-43-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3212-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4304-138-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4304-140-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4304-136-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4304-149-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4304-150-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4304-151-0x0000000022A00000-0x0000000022C5F000-memory.dmp

        Filesize

        2.4MB

      • memory/4304-165-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4304-166-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4808-119-0x0000000072820000-0x0000000072FD0000-memory.dmp

        Filesize

        7.7MB

      • memory/4808-112-0x0000000072820000-0x0000000072FD0000-memory.dmp

        Filesize

        7.7MB

      • memory/4808-111-0x00000000005C0000-0x000000000061A000-memory.dmp

        Filesize

        360KB

      • memory/4808-110-0x000000007282E000-0x000000007282F000-memory.dmp

        Filesize

        4KB