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
    10-09-2024 17:14

General

  • Target

    file.exe

  • Size

    283KB

  • MD5

    fa3494703899cbfa59ca491e5ab8efaf

  • SHA1

    b2b680621f92dd8d8acc96b9cfe35a83dcc935a4

  • SHA256

    8eb8822fcff05d89036329669bd654ca07ac68acbe7266d62223e2b5ad9eb67b

  • SHA512

    0e64227c198b153d765b01baf79d262d5391df9fe6e9d8c3837f906055da74181ce36a58933a08510a195e2084da71dba8560964b4de3ede140d7022f67c9578

  • SSDEEP

    6144:CTHJlIu6SZJ8QUQu3LScxXr7V52LNBfcAwfcgZVaSZnDkPQEO:CTHv7Dv5UxLSQVcHfIcg3aShyQEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

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://ignoracndwko.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://charistmatwio.shop/api

https://grassemenwji.shop/api

https://stitchmiscpaew.shop/api

https://commisionipwn.shop/api

https://tenntysjuxmz.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 47 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:1288
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1060
      • 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:1948
        • C:\ProgramData\AEBKECFCFB.exe
          "C:\ProgramData\AEBKECFCFB.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3020
          • 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:396
        • C:\ProgramData\KJEGCFBGDH.exe
          "C:\ProgramData\KJEGCFBGDH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4264
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:2776
            • 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:3720
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IDBFHJDAAFBA" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1936
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2412

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\AEBKECFCFB.exe

        Filesize

        321KB

        MD5

        e318c6ab13d30b93d2d43bf5d2c31fe5

        SHA1

        2096056b203ea938312af04ce137353eac6a03d3

        SHA256

        f43e034a2bee82ed71caf1f838be515abef3bd8bb562bdae3d5abb4f194c492d

        SHA512

        bc0bfbdf77a6da47f67201f6a1f049072ff0bb1c289eccc739c07b49c4eafe3b9053d31671f08ffdb833ee469dfcab95374ed199267fab86f38e9db7d7fbce75

      • C:\ProgramData\CGCFBFBGHDGD\BFIIID

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\KJEGCFBGDH.exe

        Filesize

        283KB

        MD5

        84354d3c9965d9a0878596e347a34f39

        SHA1

        f8e6d9f00d72f6f023e8d793462b7bb90cc31583

        SHA256

        4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

        SHA512

        2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

      • 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

        5a8d57deac786ae66d3526a8c6e0933d

        SHA1

        cb36ff7e1a4812265ffef80dbc1a20675d42b9dd

        SHA256

        a40e416d8038654f05422db021dfea517350003e40c4d3478b71bc25ac8773a9

        SHA512

        e0c687dac2f0391a0dcc82eda29c122e71af9ad5019a4a40ff2d10f2392899682c80a38abfbd3e697d66991ce8beb1534c6fd13a00497badeb1b4ee66845c503

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

        Filesize

        2KB

        MD5

        527160b3a21ee491e1befb6110e570f9

        SHA1

        2caac71b744946177f1ec9bdecb2488737a85a22

        SHA256

        8a98dd37a75d878b333a66b904af5a7135cce62ad69f740bd0c25474102f56d5

        SHA512

        19f54d383e9c65a602912cab288023f89516be41b29aeda3c1f4921fd502076e43f4c1a012cb4cc831585cfcd085d2cf8cee54f309d6b8843cbdc41b7af2c89d

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

        Filesize

        1KB

        MD5

        b7ceb19f15d5f0cffc3792522413917d

        SHA1

        551a26f3ee21d09c54e06b2a40c143065991b056

        SHA256

        5211ff21f2723b9778213b7f119c99c948b1885487cc7ee5a328b6e3092bfbf5

        SHA512

        7f35e902d25c642d58796378acf916687a0de14d6e435ef9e79f083809acef076488ad0a3d8d5eab4a8616455d716646f8a2b66fb4fd32ad7ae3233d8d7a219d

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

        Filesize

        458B

        MD5

        551b69e873aed719e03d18ab8b5241d3

        SHA1

        9d9b23cf8c4dd1fed11a884eb4e8a50f602290ae

        SHA256

        c8eac8338df84e17ec7d9ccad7cc469b7104dfa01d610f9a40e6dbd7e011ca29

        SHA512

        13529fe605412e6b35b83bdd2e69c3e571d1dc687f3378c09756bf7e6a220f64ee28ea9ab016e9fa02bb22c72970c57c33dcffac3ee272587b024343d7c172c8

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

        Filesize

        450B

        MD5

        c794a2c652ef3a7d806b58c02d197eaf

        SHA1

        b4aa80a34b096be0e62805ec8e512efe52007e0c

        SHA256

        a3cd7f0648ef09aec5319e9f14d7c9a586fd2e5063a290659f5722e013bd84db

        SHA512

        3f71e4a8d61b0a2a1922712708e03e3d91b16ceb637733d038c2009295545241430f57c60733465aee0326619a6323355c34dc8ffac11e1fd277af4dd9c00898

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

        Filesize

        458B

        MD5

        d29b4325c16bd650ceea9364872df17d

        SHA1

        8844577558d0b0fa6c7840c65dcc3ab8449a0b91

        SHA256

        00d70bc95e163fbd7055913d7ff9a5437ed632f996fc59222531f260b3792ecd

        SHA512

        6d2db951e41a6162a397e8a97ec19f476d61cca10db03a46d1f99ec1430b35239a2f456a2aeb57c6097c7c76357477ec6292a488ee19ba7ebefc10d618defa36

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H9MX5QVK\sql[1].dll

        Filesize

        2.3MB

        MD5

        90e744829865d57082a7f452edc90de5

        SHA1

        833b178775f39675fa4e55eab1032353514e1052

        SHA256

        036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550

        SHA512

        0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323

      • memory/396-121-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/396-115-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/396-118-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/1288-0-0x000000007506E000-0x000000007506F000-memory.dmp

        Filesize

        4KB

      • memory/1288-11-0x0000000075060000-0x0000000075810000-memory.dmp

        Filesize

        7.7MB

      • memory/1288-1-0x0000000000BF0000-0x0000000000C3A000-memory.dmp

        Filesize

        296KB

      • memory/1948-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-41-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-3-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-8-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-97-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-90-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-89-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-6-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-23-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-58-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-98-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1948-27-0x000000001FE70000-0x00000000200CF000-memory.dmp

        Filesize

        2.4MB

      • memory/1948-24-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3020-120-0x0000000071F50000-0x0000000072700000-memory.dmp

        Filesize

        7.7MB

      • memory/3020-113-0x0000000000E20000-0x0000000000E74000-memory.dmp

        Filesize

        336KB

      • memory/3020-155-0x0000000071F50000-0x0000000072700000-memory.dmp

        Filesize

        7.7MB

      • memory/3020-112-0x0000000071F5E000-0x0000000071F5F000-memory.dmp

        Filesize

        4KB

      • memory/3720-150-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3720-151-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3720-153-0x000000001FC60000-0x000000001FEBF000-memory.dmp

        Filesize

        2.4MB

      • memory/3720-168-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3720-169-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4264-135-0x00000000000F0000-0x000000000013A000-memory.dmp

        Filesize

        296KB