Analysis

  • max time kernel
    96s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 14:03

General

  • Target

    9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4.exe

  • Size

    293KB

  • MD5

    b525b80d2056db699ed31d53b5955588

  • SHA1

    6255e3315403e648658c4aa58296c4c63a998bc1

  • SHA256

    9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4

  • SHA512

    b174315e9f6f7ce26c8285aaa0a5ca3f2b3ae4545dfdd6cb6eff3a581ad811b502e6cb4249dcd270ba6bb8deaf31d3f656242332d4eb59a48075b23a03e16ff7

  • SSDEEP

    6144:zrOMp+74wxjRj1EOeIG9hilRRAroUuZULldYKq9HEO:+T0Aj1z74iMrorKqJEO

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://charistmatwio.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://grassemenwji.shop/api

https://ignoracndwko.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 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4.exe
    "C:\Users\Admin\AppData\Local\Temp\9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1712
    • 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:3340
      • C:\ProgramData\ECAFHDBGHJ.exe
        "C:\ProgramData\ECAFHDBGHJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1896
        • 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:4856
      • C:\ProgramData\ECAFHDBGHJ.exe
        "C:\ProgramData\ECAFHDBGHJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4788
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:708
          • 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:1240
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJDAKFBFBFBA" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:4564
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:964

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\BFHDHJKKJDHJ\KKFBFC

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\ECAFHDBGHJ.exe

      Filesize

      293KB

      MD5

      b525b80d2056db699ed31d53b5955588

      SHA1

      6255e3315403e648658c4aa58296c4c63a998bc1

      SHA256

      9c1173238ad24a2c0f1b36e424a3e9f94c41ab757c8897e4b57b9212fb8d4fd4

      SHA512

      b174315e9f6f7ce26c8285aaa0a5ca3f2b3ae4545dfdd6cb6eff3a581ad811b502e6cb4249dcd270ba6bb8deaf31d3f656242332d4eb59a48075b23a03e16ff7

    • C:\ProgramData\ECAFHDBGHJ.exe

      Filesize

      331KB

      MD5

      a262d309528b0bbf3f0865d55d86dc2e

      SHA1

      77b5788a950f19bcb6e0c653f8e31a664b618820

      SHA256

      f8861ee76ab52271e7fe9e9b9d15d3a042d9aab97dfd078f213564c7094d3f3b

      SHA512

      e89d4954365d43f9d177cc14a348ecdbcbe049739d14f1be372287dd14002ac715761f575c456b528f190fea2d2ab83521f6bfd814763365139f66ee7153540e

    • 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\Local\Microsoft\CLR_v4.0_32\UsageLogs\ECAFHDBGHJ.exe.log

      Filesize

      226B

      MD5

      916851e072fbabc4796d8916c5131092

      SHA1

      d48a602229a690c512d5fdaf4c8d77547a88e7a2

      SHA256

      7e750c904c43d27c89e55af809a679a96c0bb63fc511006ffbceffc2c7f6fb7d

      SHA512

      07ce4c881d6c411cac0b62364377e77950797c486804fb10d00555458716e3c47b1efc0d1f37e4cc3b7e6565bb402ca01c7ea8c963f9f9ace941a6e3883d2521

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

      Filesize

      2.3MB

      MD5

      90e744829865d57082a7f452edc90de5

      SHA1

      833b178775f39675fa4e55eab1032353514e1052

      SHA256

      036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550

      SHA512

      0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323

    • memory/1240-159-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1240-143-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1240-142-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1240-145-0x0000000022970000-0x0000000022BCF000-memory.dmp

      Filesize

      2.4MB

    • memory/1240-160-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1712-14-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1712-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

      Filesize

      4KB

    • memory/1712-11-0x0000000074EE0000-0x0000000075690000-memory.dmp

      Filesize

      7.7MB

    • memory/1712-1-0x00000000002F0000-0x000000000033A000-memory.dmp

      Filesize

      296KB

    • memory/1896-110-0x0000000072420000-0x0000000072BD0000-memory.dmp

      Filesize

      7.7MB

    • memory/1896-102-0x000000007242E000-0x000000007242F000-memory.dmp

      Filesize

      4KB

    • memory/1896-103-0x0000000000D20000-0x0000000000D74000-memory.dmp

      Filesize

      336KB

    • memory/3340-16-0x00000000225F0000-0x000000002284F000-memory.dmp

      Filesize

      2.4MB

    • memory/3340-12-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-87-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-86-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-79-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-49-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-48-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-32-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-31-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-13-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3340-88-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/4856-111-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4856-108-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4856-105-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB