Analysis

  • max time kernel
    94s
  • max time network
    130s
  • 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 10:46

General

  • Target

    file.exe

  • Size

    292KB

  • MD5

    9d0327bd2962fd98512fb4ad5fc9ad19

  • SHA1

    37fd2898d15b6e4e4be596c11120649e374a091b

  • SHA256

    86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

  • SHA512

    9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

  • SSDEEP

    6144:t2TSd2kaiQsQnyswIRBxS91+s0IUftEUcuwiTXijyZuvxGTfEO:l2ka9vyswWG1dKtjcXgX+v47EO

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 3 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
  • Drops file in Program Files directory 1 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 9 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
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 44 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:4108
    • 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
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\ProgramData\CAEHDBAAEC.exe
        "C:\ProgramData\CAEHDBAAEC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4856
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2412
          • C:\Program Files\Google\Chrome\Application\JSW899JGJZR1C7.exe
            "C:\Program Files\Google\Chrome\Application\JSW899JGJZR1C7.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2852
      • C:\ProgramData\BFHDAEHDAK.exe
        "C:\ProgramData\BFHDAEHDAK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3456
        • 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:1500
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKFIJJEGHDAE" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:436
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\Google\Chrome\Application\JSW899JGJZR1C7.exe

    Filesize

    63KB

    MD5

    0d5df43af2916f47d00c1573797c1a13

    SHA1

    230ab5559e806574d26b4c20847c368ed55483b0

    SHA256

    c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

    SHA512

    f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

  • C:\ProgramData\BFHDAEHDAK.exe

    Filesize

    292KB

    MD5

    9d0327bd2962fd98512fb4ad5fc9ad19

    SHA1

    37fd2898d15b6e4e4be596c11120649e374a091b

    SHA256

    86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

    SHA512

    9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

  • C:\ProgramData\CAEHDBAAEC.exe

    Filesize

    338KB

    MD5

    7abd5004d90827227cb77ecebc6c0aba

    SHA1

    39c7f736d4041cb246b31d34f455460cdc3a071e

    SHA256

    13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

    SHA512

    7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

  • C:\ProgramData\KEHCGCGCFHID\ECFCBF

    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

    d61c16c5dd12dce62b0311b4f5ae4702

    SHA1

    695352e746dbbf0d30b2ecd435c39e625f319b1a

    SHA256

    efdd18ad7b3d60cc9ee00dbcb26fe85b22096b21b10276bf70191da590252d07

    SHA512

    1b63567a9ea59457433aaaad1158fb5fd95b4b5bb88b5e099e38917206578556ead19accf0b1257db4a51c8f892fe3e91e1aed3353e0e66e5991315e92db62cf

  • 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

    66a1250945d5954ccd7a7270c292cdfb

    SHA1

    eef0640046e6b10662d2b2ff6f419bffd911c727

    SHA256

    4b7cf758eb8582e21a9915f9710a9dc30050df83ddd1fd374c358bf5d0bd2897

    SHA512

    3ac2725dfefe50f6f6e96853c7f9f647c5fe1c7fc762c0e777770d0f89d4ac8fad0886ff1ffb6475fbc6307935a1068a5567b940789e892edec7eb4599e943b3

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

    Filesize

    458B

    MD5

    b9eaf288ee3b222a135f02bbbe065545

    SHA1

    31ac086f0ffb1dafd3bda2089e2ed76b13008fdf

    SHA256

    e6b1ec18967878698c4ff59104e6f4b7f2866784f0beaf8b684f4a611f1e1f45

    SHA512

    504dfa2685d82933ac9baf2739454588ed5c20c874e91d6514e07b01e9795966bec915ab9f11195788af0352a4bc54eaecd15cae14c1a53c844e298c6cb6d25a

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

    Filesize

    450B

    MD5

    4300faba70276bc15bb0316ab6b90978

    SHA1

    de9df2591caabc4c7bfde1b2f8c83ae5ed0adf5d

    SHA256

    733172878c84eb0b2647e6f2762ebb4d9658edd86f86fc6efae5c127659f5d21

    SHA512

    656fff83f08523c3aa20bc01ae30871234b7bb554104967b7ae0f0428d46c15e632b1ce238430be3ac0f94a1565ede9d11b1d88f84dc3b30bc1938daa764c25e

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

    Filesize

    458B

    MD5

    fa649edde0ef60128a1697736fabdd62

    SHA1

    9cd60a3dee6282acd62f93943f8c98815abb8484

    SHA256

    0ff1f8160a7b535535c87b113521b2abd0fc8b3a87331443fa958793a24495b4

    SHA512

    c1833071a90b7f647c69279eb2fd59b3ffcb9f6ca237b6238b31f6df97a9037b6c91c10fcef2bd580e879423fb8f2b942e015ff5f9ddf9f86d367133d64f85d1

  • memory/1500-160-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/1500-161-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/1500-162-0x0000000022850000-0x0000000022AAF000-memory.dmp

    Filesize

    2.4MB

  • memory/1500-176-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/1500-177-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2412-132-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/2412-141-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/2412-137-0x0000000000400000-0x0000000000459000-memory.dmp

    Filesize

    356KB

  • memory/2852-144-0x0000000000140000-0x0000000000152000-memory.dmp

    Filesize

    72KB

  • memory/2976-42-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-58-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-4-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-11-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-93-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-92-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-91-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-9-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-84-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-60-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-59-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-25-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-26-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-27-0x0000000022690000-0x00000000228EF000-memory.dmp

    Filesize

    2.4MB

  • memory/4108-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

    Filesize

    4KB

  • memory/4108-7-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/4108-6-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/4108-2-0x0000000074B70000-0x0000000075320000-memory.dmp

    Filesize

    7.7MB

  • memory/4108-1-0x0000000000DC0000-0x0000000000E0A000-memory.dmp

    Filesize

    296KB

  • memory/4856-116-0x00000000720BE000-0x00000000720BF000-memory.dmp

    Filesize

    4KB

  • memory/4856-135-0x00000000720B0000-0x0000000072860000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-118-0x00000000720B0000-0x0000000072860000-memory.dmp

    Filesize

    7.7MB

  • memory/4856-117-0x0000000000790000-0x00000000007E6000-memory.dmp

    Filesize

    344KB

  • memory/4856-178-0x00000000720B0000-0x0000000072860000-memory.dmp

    Filesize

    7.7MB