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Analysis

  • max time kernel
    92s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/09/2024, 01:30

General

  • Target

    be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe

  • Size

    283KB

  • MD5

    ac7314c596e766b8f4f368579e2e0f8f

  • SHA1

    0e4941e5e4299d04b9408194542c7362bcabcd2f

  • SHA256

    be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

  • SHA512

    4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

  • SSDEEP

    6144:DjacaEk/a7rOXYSjyZ6bNEl3ptRZjZLXksRKAylE//0Cw9EO:XzaEu2iZjyZ6b03ptRFZTFKu0CsEO

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

Signatures

  • Detect Vidar Stealer 17 IoCs
  • 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 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 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 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe
    "C:\Users\Admin\AppData\Local\Temp\be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3224
    • 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:2620
      • C:\ProgramData\AAKEGDAKEH.exe
        "C:\ProgramData\AAKEGDAKEH.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1964
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 888
          4⤵
          • Program crash
          PID:4552
      • C:\ProgramData\FBFHJJJDAF.exe
        "C:\ProgramData\FBFHJJJDAF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3208
        • 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:2660
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CFHDHIJDGCBA" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1404
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2408
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1964 -ip 1964
    1⤵
      PID:2960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\AAKEGDAKEH.exe

      Filesize

      322KB

      MD5

      a5098dee7d78acfb0294523855906aad

      SHA1

      5f44ca3f038456d07f7702cf061e7dad0039a8fb

      SHA256

      b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

      SHA512

      b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

    • C:\ProgramData\FBFHJJJDAF.exe

      Filesize

      283KB

      MD5

      ac7314c596e766b8f4f368579e2e0f8f

      SHA1

      0e4941e5e4299d04b9408194542c7362bcabcd2f

      SHA256

      be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

      SHA512

      4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

    • C:\ProgramData\GDHIEHJEBAAF\FHJEGI

      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

      f3996f922326413e2e955f3774434d01

      SHA1

      a68789fa985ebfab0c61bbee12098e404288cded

      SHA256

      34a9640d4292dbc5d1fee85322b3c457eb2ee28284618a602ec936de9a104200

      SHA512

      34b7c1c1e5bdaa7da31887fce2b8069203922599824fd28e1db53cd0ebd343118c7899f56159eeb0500c96ca0ba4e9f28a6695f8032ca4acb4ee17204b746376

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

      Filesize

      2KB

      MD5

      e2e9309062d386d7fec2730d865be1b3

      SHA1

      30dbe40a07dd56429b70601ff35c954d78ee99b9

      SHA256

      01459ba654c52454a8dae37f078fffc280d3a13b55837fd82d05a9c902e88ebb

      SHA512

      46ec1842ed5b93bf5e2533ce2561b0035ff0beb8e5ce61ecb2ec7bdb13f54e38a7a44d258b6713deb5278b39a6cd8b8dff349d3a2a088f9f4014eed6262f6b63

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

      Filesize

      1KB

      MD5

      17bc873e2a1ececdb96ba865079e2f7a

      SHA1

      a44455ae9199b8f0b798ffe8952d2ce2b3cdf335

      SHA256

      aaf3cca466c1452b3c1947aebea6107b1fba212c1cf9a0bcb2f7515b2a6cccea

      SHA512

      cc0b2d9cd308ec3b289e67f8041a633099a69705587fd042201a3d2badc3cebdf18a971997fb9c3148ee9a016385f4657f74029bc47770e61c1b2c0c63f4adac

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

      Filesize

      458B

      MD5

      ff7b3d67ea72d9f705f6bc2c9e64bfc7

      SHA1

      5c3c01f04ed3ceb404c59e51ca005a5ffa5fbae4

      SHA256

      3c25af7de54c655d2894ded324a5220121b4d29318b434049deff4f5ff634874

      SHA512

      ef76a2f9da56c69729ae63825ae33bb0e29e377a5db27260e179efd45f9533887a7a60da8930903a0eb3a35fc7361094739e7067491370ead5bc387b421092fa

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

      Filesize

      450B

      MD5

      272e66f41e87f1bc1a448ba9edd98076

      SHA1

      adc894bf1dead7b84bcd673aa2248b0759892598

      SHA256

      c928530ca85ca3733bfc54326ab84d6c5c4831fe969d005c57e7b650c9923b67

      SHA512

      26bf53f960320eeca0629fe1a13cbc8456312a4e68f47859d1430bde8bd68c6f2709b4ae1b50e0115a840d41f47dd95b48ab3fea0b0e00ebd2a55e6515fa219b

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

      Filesize

      458B

      MD5

      ab3f8200ddf77ad02ebe89ca036f224c

      SHA1

      71a765d7809c636e7aedf827b298a2fc35b7e10f

      SHA256

      28d44fe6a0985170017e6d42244c0c3d054c96bfee87f5260a48651d5245f6e2

      SHA512

      4d3edd2fd4bbdd5f6a1171ffac5dfd1bda237b06e78f7ba5e6669ef7e472da6d02a54cce3cbeed51f736879ea991723b441ad82f66ef329a9710317049a88e51

    • memory/1964-107-0x00000000723EE000-0x00000000723EF000-memory.dmp

      Filesize

      4KB

    • memory/1964-108-0x0000000000630000-0x0000000000684000-memory.dmp

      Filesize

      336KB

    • memory/2620-26-0x0000000022380000-0x00000000225DF000-memory.dmp

      Filesize

      2.4MB

    • memory/2620-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-58-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-83-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-41-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-24-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2620-10-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2660-136-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2660-137-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2660-138-0x0000000022780000-0x00000000229DF000-memory.dmp

      Filesize

      2.4MB

    • memory/2660-152-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2660-153-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3224-0-0x0000000074E4E000-0x0000000074E4F000-memory.dmp

      Filesize

      4KB

    • memory/3224-6-0x0000000074E40000-0x00000000755F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3224-91-0x0000000074E40000-0x00000000755F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3224-2-0x00000000057E0000-0x0000000005D84000-memory.dmp

      Filesize

      5.6MB

    • memory/3224-1-0x00000000008F0000-0x000000000093A000-memory.dmp

      Filesize

      296KB