Analysis

  • max time kernel
    77s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 01:15

General

  • Target

    d141cb3aae537b88910255bb6d843aa5c0b57fb03f8eb18a2d15555d6dd853fd.exe

  • Size

    404KB

  • MD5

    30c937ab3260fefe2e98cd875610fb63

  • SHA1

    b9c84958399719d8d9a9f81087830dd69b407660

  • SHA256

    d141cb3aae537b88910255bb6d843aa5c0b57fb03f8eb18a2d15555d6dd853fd

  • SHA512

    a5ae469a9728d2a93449cf9db1419fc7e279d8574ff0df706de5ad7571b60d6616260fa12fb7da64d9ff4ad06844aa8fb2854824a08936229c814c8ce62a882b

  • SSDEEP

    6144:X7lVFG2jvCstyKXJT696RjKKMNMvcdChxFvkAcdVSeDFpxErYGE0n8FRRfEO:XxdCuyKXJ6ajdvDtkXp6pSRfEO

Malware Config

Extracted

Family

vidar

Version

11

Botnet

8136aafb5e5c7dfe145176abba1ed803

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

Extracted

Family

vidar

Version

11

Botnet

a669a86f8433a1e88901711c0f772c97

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://possiwreeste.site/api

https://underlinemdsj.site/api

https://chaptermusu.store/api

Signatures

  • Detect Vidar Stealer 21 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
  • 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 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).

  • 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\d141cb3aae537b88910255bb6d843aa5c0b57fb03f8eb18a2d15555d6dd853fd.exe
    "C:\Users\Admin\AppData\Local\Temp\d141cb3aae537b88910255bb6d843aa5c0b57fb03f8eb18a2d15555d6dd853fd.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3644
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2888
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4064
        • 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:2408
          • C:\ProgramData\KKFCAAKFBA.exe
            "C:\ProgramData\KKFCAAKFBA.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4396
            • 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:1880
          • C:\ProgramData\JEGHJDGIJE.exe
            "C:\ProgramData\JEGHJDGIJE.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2460
            • 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:2668
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGCGHCBKFCFB" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1100
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:2748

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\BFIDGDAKFHIE\CAKKEG

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\JEGHJDGIJE.exe

        Filesize

        404KB

        MD5

        ad0e0451229105c930c40e9ab4ace88b

        SHA1

        13ea9b9049786c5c71cbc28da987b51ca219442d

        SHA256

        86872a1819f9de7920a6f390f7a5ac5e3f838a3bfc5aac08496b971cad78a783

        SHA512

        595da416f69d3e0b768622932bf4e37cf690c8b3a6099321314abfb68ebb66f9c437c1dc1ec13e305af76a5174826c02649748272db5b05b571baabf4f3afcec

      • C:\ProgramData\KKFCAAKFBA.exe

        Filesize

        371KB

        MD5

        ef2d9238d30f4857b7ecf50694959c83

        SHA1

        c06bfb85533d2fb2fa7f44d8fd9a58423793d55c

        SHA256

        d26a4f1cc1c1a80477122de0446aa7a669f91c70b34a167f89549ee569eaf53e

        SHA512

        94f281f8b8c88f53acd364488c5cc72549d3d90827c4239a0f7d8c1c81e253b9fa5cd8b26eeb65aaef10b4ca9f264f99ac366c56b052fd8ea91543782e51dc02

      • 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

        2b92012ec21dc844789f1e67d84d1f13

        SHA1

        163371c1bbf024504a8186500f87d346e8f94a25

        SHA256

        acea4b9333565970e17e3d412ae2c6df80a8e5cf768c9f5780a971c4fc95f2ce

        SHA512

        12a6c5a082a0ec4b3c38caf4876d9dc1a134adfa9a1e489fc54aea7e5e3d9ac4d33ff67af4b4d33d1c3a8d1e759504d6e0ed508463009a0858c8cf3dffd7138e

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

        Filesize

        2KB

        MD5

        3ec2d4c1599334f16c619646f94ce3f2

        SHA1

        a45c4c1cf56c40abfdeae0d6c08985d1bcd9e494

        SHA256

        1f10213ae35bf90e3dfd5f812003bc344999075c16b92852a615573122b311fe

        SHA512

        5c390e0f7bec20261de4f5f01cc65e2b4f61a4afa6790712e6c35bf43df98b85a53fb47fc6ac3046f7515be136426fb144dca32b6871e326eb590871eefeaf7c

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

        Filesize

        1KB

        MD5

        c76a1980f5deecf5dcb714aea48bc5bc

        SHA1

        a49396f90512fb31a15106c34c68ab4e8e84b1ad

        SHA256

        deaedc661cb88f7c142ce7b33b08b8c55bd7b3be3e502d2412ec8c9ae057e9c8

        SHA512

        184aa422aaa7e00830b820e912a5c7dfababd106b807a1b31cca9723ef45f50b4decd62cd047131872ad438c55582881c16c7f0ddc4dd0ceaed8e529c40ff3bf

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

        Filesize

        458B

        MD5

        fe9d45a6fdd38eafaea137c89cc85c81

        SHA1

        479be9d19c92bf861d8884cf11590ba3d9165d4c

        SHA256

        00b76b7682852223c31a9d1787f01c076d58f57321eaf075fb71ac04f3547747

        SHA512

        d52d48e1915bb4729f5e73c1a70a249eda1e8014c26540b069cbe6ab9a49348a0af991a8c9075c913d2023822d19d29fcbef6c4d3717b56354f35715e3d8eba5

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

        Filesize

        450B

        MD5

        c90c065131a524b83933aa28b5f32cc4

        SHA1

        51e7fa36cfdf9bff097564cadd56e9304a0909e4

        SHA256

        747460b578e524161a8a63b85da0c51daf0bb5615667fa7025189f3fce25da03

        SHA512

        39e960411f8f68ce9cca35158ef008982fc0858c9a7fbc3d27e594e95d5f9bfc3e6bd855f2dce49abcd0217ae047636f6c27877707b1b16d60bf31ecb7879216

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

        Filesize

        458B

        MD5

        1b74e6b9464fa9d73d1fafc776a4420c

        SHA1

        427e911baa3196143ab2c2da3ae54d1124f49c0a

        SHA256

        b76f7d34e360cd40234cdbe7812aeb984e83f392743fb031ec9e56e40929845f

        SHA512

        01d411dc3ac78c7de5e8f814d490ff0b1cd5622687d57871e8bb6fd29067b4b9175946277bb4bdc764ee402b91fd0993c9417d95f836e56513d784c6fe9ef491

      • memory/1880-115-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1880-118-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1880-121-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2408-48-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-65-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-89-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-90-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-97-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-98-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-64-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-29-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-31-0x0000000022A00000-0x0000000022C5F000-memory.dmp

        Filesize

        2.4MB

      • memory/2408-46-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2408-45-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2460-135-0x0000000000AA0000-0x0000000000B0A000-memory.dmp

        Filesize

        424KB

      • memory/2668-137-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-150-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-139-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-168-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-141-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-167-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-153-0x0000000022300000-0x000000002255F000-memory.dmp

        Filesize

        2.4MB

      • memory/2668-151-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3644-47-0x0000000074990000-0x0000000075140000-memory.dmp

        Filesize

        7.7MB

      • memory/3644-0-0x000000007499E000-0x000000007499F000-memory.dmp

        Filesize

        4KB

      • memory/3644-11-0x0000000074990000-0x0000000075140000-memory.dmp

        Filesize

        7.7MB

      • memory/3644-1-0x0000000000DE0000-0x0000000000E4A000-memory.dmp

        Filesize

        424KB

      • memory/4396-112-0x00000000721EE000-0x00000000721EF000-memory.dmp

        Filesize

        4KB

      • memory/4396-113-0x0000000000CA0000-0x0000000000D00000-memory.dmp

        Filesize

        384KB

      • memory/4396-120-0x00000000721E0000-0x0000000072990000-memory.dmp

        Filesize

        7.7MB

      • memory/4396-169-0x00000000721E0000-0x0000000072990000-memory.dmp

        Filesize

        7.7MB