Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09-09-2024 03:31

General

  • Target

    1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe

  • Size

    284KB

  • MD5

    65208d6a2c36c758bab95b17fb22e19e

  • SHA1

    ef43d4bae09cfeaff0396f339056ac64437cd36e

  • SHA256

    1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0

  • SHA512

    23223f7571699ba9e654bad651a9b23876dc286d72676a60d93466cbc6cc7bb7a514686d107dd769526874aac84d8c56fee7e7b54d1cf78cba08a38e8bda9e85

  • SSDEEP

    6144:wrOlaN9R1I9t/y4f+933KlGOqNRdjwE+s0sllPW1afU0z/L+5upS1vNMx:wCz9Ji933KlxqTdj3Pw6/i4pF

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

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
  • 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\1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe
    "C:\Users\Admin\AppData\Local\Temp\1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4800
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:5424
        • C:\ProgramData\KECBFBAEBK.exe
          "C:\ProgramData\KECBFBAEBK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5992
          • 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:4160
        • C:\ProgramData\CFCGIIEHIE.exe
          "C:\ProgramData\CFCGIIEHIE.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3604
          • 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:5032
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JJDHIDBFBFHI" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3340
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:5280

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\AKKKFBGDHJKF\FBAFII

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\CFCGIIEHIE.exe

      Filesize

      284KB

      MD5

      65208d6a2c36c758bab95b17fb22e19e

      SHA1

      ef43d4bae09cfeaff0396f339056ac64437cd36e

      SHA256

      1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0

      SHA512

      23223f7571699ba9e654bad651a9b23876dc286d72676a60d93466cbc6cc7bb7a514686d107dd769526874aac84d8c56fee7e7b54d1cf78cba08a38e8bda9e85

    • C:\ProgramData\KECBFBAEBK.exe

      Filesize

      322KB

      MD5

      1c67f687230addd2815b74bc892a047f

      SHA1

      38f238cad4286ea4ef25d909979b5cd456a7cac5

      SHA256

      2c0f008432d2604d3578b9ba1f896ecaff4add7d6ece6051f5940de892c26c91

      SHA512

      1c5cabf89e98a2d87aca4143b93db5dc9b1c0c9c2557052abe888422afc4e79dd9a641122bd0bbb92d13049b5c7fea8014f4945efbf23c5dd33703f99d80f6b0

    • 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

      4b086cd2f21297d222f92601a91e368f

      SHA1

      8af108f57a8d88c120b931580662af2b2913ab58

      SHA256

      34d4d2d1d62591605003c1b74fd1efba8d957a5f5b847bb8ff06bd08d4c2c2b8

      SHA512

      4653bda6a86ac2d8391e610b1098ed20c038ceef1ea976908edfc20a8828c7e31655ed5e796ee7b410edd3b7af6f5fa3937bc670c0108c152efd6e4946daf0f8

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

      Filesize

      2KB

      MD5

      dd1fe1b28604aee93020a737bc2f0000

      SHA1

      be0010830efcaa50887b83bc650be8bf5bc03915

      SHA256

      a8ea8f94eabd58b777a1808e307cb995eb6e5542c9929db2f6f2faf9a9259c96

      SHA512

      a41812f4468a147f36095686f3472e7320ef1b7226e23d41e0c08abaa73909bea1fc1d4c787ae553a84a0d070b824760a757a82c677f5d1f28372610cd5bd645

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

      Filesize

      1KB

      MD5

      f9929e8498c12895f3970d8d2e8ec521

      SHA1

      a56698b18937867dc3686ad3287538792832b211

      SHA256

      2c81ffae625d750d54314e55be9097b9dd44b358f86aeddc2733f9ceef0b93b8

      SHA512

      f50f526fa1aa6d94beafae6a4aa6485560f2396d0c51ebc43724e29c670bac703762a5a5cc10e99ed75b3db412d4525f74d0127cd42b2a0fe23bbefbb4ad3ee0

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

      Filesize

      458B

      MD5

      1812bdf5f911087004e4c333f23c0c0a

      SHA1

      e8a0c119297368ab51d5ac85f1fb4b024b5e7f6e

      SHA256

      4381a0fef48abb017b689dd1c13bf87ec5b89f04bb6c39f55bea58f05656c781

      SHA512

      e2cfaadba68cf3babd2bf02c6e72cb326f003c207ffab270a5eb072164b8480cac4917c238da17969df8e240cced3e480fdcbde9d32178c7fc3968f6bd5f4a7b

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

      Filesize

      450B

      MD5

      dce5ac43629fa60f0d9293506b44d6de

      SHA1

      dfb4fa00942982ac822780e10f53bef492c9d005

      SHA256

      c22aa271ea57e6dd66794f94b9d901fc4722e661f0f2b4578667feade400e95c

      SHA512

      79f026e6f54b8a559032a4760eeb009346d8bff43d1f178511d93b51002bb3e6ece6a54748ca25b9d301ec0f084893dcfa6d00c5e38d440940e0f82d9816a80f

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

      Filesize

      458B

      MD5

      61365c90445a484f125edfb86e89da9d

      SHA1

      98aa4bfddfe928269921b5b527158b074527e164

      SHA256

      2a58ef105ea5419e2a54670d0f893352a26cfba10e4e9c209bf675e89b557f90

      SHA512

      7e890f45487c5974905e59fa39b4e84e315f20c6c83604b8c8538a46a9d7ceedf3bff28b7fb22e47be7de4716a4167b149ab2eb5fe81b171a4d73556fef67c85

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\TK007ZTY\sql[1].dll

      Filesize

      2.3MB

      MD5

      90e744829865d57082a7f452edc90de5

      SHA1

      833b178775f39675fa4e55eab1032353514e1052

      SHA256

      036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550

      SHA512

      0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323

    • memory/1084-0-0x000000007428E000-0x000000007428F000-memory.dmp

      Filesize

      4KB

    • memory/1084-1-0x0000000000890000-0x00000000008DA000-memory.dmp

      Filesize

      296KB

    • memory/1084-71-0x0000000074280000-0x0000000074A31000-memory.dmp

      Filesize

      7.7MB

    • memory/1084-11-0x0000000074280000-0x0000000074A31000-memory.dmp

      Filesize

      7.7MB

    • memory/4160-128-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4160-122-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4160-125-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/5032-160-0x00000000227A0000-0x00000000229FF000-memory.dmp

      Filesize

      2.4MB

    • memory/5032-157-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5032-158-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5032-174-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5032-175-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-24-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-41-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-58-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-99-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-98-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-26-0x00000000200C0000-0x000000002031F000-memory.dmp

      Filesize

      2.4MB

    • memory/5424-91-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-90-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-23-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5424-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/5992-127-0x0000000072BC0000-0x0000000073371000-memory.dmp

      Filesize

      7.7MB

    • memory/5992-119-0x0000000072BCE000-0x0000000072BCF000-memory.dmp

      Filesize

      4KB

    • memory/5992-120-0x0000000000410000-0x0000000000464000-memory.dmp

      Filesize

      336KB

    • memory/5992-129-0x0000000072BC0000-0x0000000073371000-memory.dmp

      Filesize

      7.7MB