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Analysis

  • max time kernel
    128s
  • max time network
    300s
  • platform
    windows10-1703_x64
  • resource
    win10-20240611-en
  • resource tags

    arch:x64arch:x86image:win10-20240611-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/09/2024, 22:36

General

  • Target

    72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe

  • Size

    292KB

  • MD5

    fede424830238cf2c2e661b5cb12e584

  • SHA1

    5a8f787c25eccd1e5a8d293625ef80c5d416da19

  • SHA256

    72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0

  • SHA512

    713891e18a615e7013f555d05b08eb91e7520b94e1bba0fa0483c29f6f3af5ef8f2055b2e35e8e83b75cd41256b5fd86405318b87440da463b82daedfd8ac39f

  • SSDEEP

    6144:SUehHGTrrMAUWyioL61kWNVREN/EFO2LYuNJReyViEO:SU7nz4s1kWNvEVLTuplIEO

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 18 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 64 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe
    "C:\Users\Admin\AppData\Local\Temp\72d4e5a68545de1c0268a4616db6807e90a027e0191dda20377ecbd61ae577f0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5016
    • 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:3716
      • C:\ProgramData\EBGCFBGCBF.exe
        "C:\ProgramData\EBGCFBGCBF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4240
        • 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:4624
      • C:\ProgramData\GHJKECAAAF.exe
        "C:\ProgramData\GHJKECAAAF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4540
        • 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:4620
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKEHIEBKJKFI" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5108
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2216

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\CAFIJKFHIJKK\EHJDGC

    Filesize

    148KB

    MD5

    90a1d4b55edf36fa8b4cc6974ed7d4c4

    SHA1

    aba1b8d0e05421e7df5982899f626211c3c4b5c1

    SHA256

    7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

    SHA512

    ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

  • C:\ProgramData\EBGCFBGCBF.exe

    Filesize

    355KB

    MD5

    731a25a9b1f2c31056f7bd75c71deac4

    SHA1

    ac95005a75add78f8226e553ff3bb32bcfeef1ea

    SHA256

    d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

    SHA512

    efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

  • C:\ProgramData\GHJKECAAAF.exe

    Filesize

    293KB

    MD5

    6d1999f1096cee3f06507e0d896d7c4a

    SHA1

    947cde63e799d23622468caecd0172a4ce8e8c17

    SHA256

    6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

    SHA512

    eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

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

    Filesize

    2KB

    MD5

    4c4bf9e4d624f1045d8f73ed7f97dc3e

    SHA1

    1d78800f4a780fc6f75a778faeed2baaf84f2206

    SHA256

    6dcfee83067db655225002d6ee68c1948d82de8a4b488355fbdee6fce73638db

    SHA512

    4c950580ec4fb088382f066948964846bbee5d575eac1f70253e5adc3c09f071d398c1b6eb42fb2a00e017ba2a344ef6709c6f321a5b38db8bd39933989494bb

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

    Filesize

    2KB

    MD5

    7ec05ad5ad4ea2f59d78a181b608dfb1

    SHA1

    95dfcb1ca8c7c6353bfc940c79f877d491158faa

    SHA256

    197a38efa533f9ff60b730cbc9b5fb604893e8dfb08a9ba85f0e5424779e3759

    SHA512

    da07b1ce6b278f20a93cfb83107be1a96bd134657be71f31b314e981ae9f85a8db50ae10458612bd460baca5e9402d5bce61b11ed648b191be42882273b8c00a

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

    Filesize

    1KB

    MD5

    9ea353ed4fed6ed641da2a1a1e66cbf3

    SHA1

    42cf55d3608819795042c23df5f18fcd2b6b0c58

    SHA256

    5245794a9cb70971f00a51f56b8b5305d16629c4d0d0e95916371a20a6119485

    SHA512

    7476acf575e998c56bae27703d635c82a5cfd43f736b9618ec430168148f25d79c97ca344670298b51956ca0b3707d6499ef5865fe1b933acb948dddc822d05e

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

    Filesize

    458B

    MD5

    26de8e3b2a6fd18b656f4ff8a4f2bee4

    SHA1

    542c5db0a10bdaf297528c231a4486d42994900e

    SHA256

    7167198809184410b271317599c459563e81a4334926157c51c1d3d077eaca5c

    SHA512

    1ed76256184fecd12980c31733b8bc1db5660bb6a460eb36b501556ef87e73d73c2b21560a98dad04cfc891c1da3b5285a7b1c6183bcff810999895e15f0806d

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

    Filesize

    450B

    MD5

    effba85123aa0b45a3577e6bd50a6d99

    SHA1

    b90f63f82ee0c74d2156d5c0e9b41b12a053c499

    SHA256

    827dc1eba4aa011434f3c79423a60e3b13fbb520391ba57de4ec02c911485e8c

    SHA512

    61d4d2ea99dad2e49a2af48be337d44d0626f3394be3800f733f1bf3312878376c75b0269753a4f57a10314788872edc7410bfb660f88699b1c9ad856f064156

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

    Filesize

    458B

    MD5

    3392650c661c78e32cf7bac230f4ff02

    SHA1

    0d11dd07b629b21252d015a62a2c0e9b157b60e5

    SHA256

    32a2ab90af24bda49166d131fe3fdf7370ff743d3ef30bc5348135960e137125

    SHA512

    ccb9c99d18dff7772be9b9c957aa853719f39ba974514e179e1eb20b53e4e30aa15f7d3b6bbe1584e41aa0f82d846bdffd2dd8e0d562751f428176322601dd6c

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\03GMC2KR.cookie

    Filesize

    103B

    MD5

    6b33611f4cce568a6d8640cc8a94448e

    SHA1

    88669ee1d2130810aee990b3c6b235b791e6011d

    SHA256

    600bee5b3231101ed22623c800c829f82a33e8061d2df58293b453415697ce67

    SHA512

    613b93995f5c8ac2af329c45d71cf3757257ea589898424433f5e173997d82dff6b2d2bcab4a59a40c2620edfee23ef5b184b07d1ccd563be86c8086b3276607

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/3716-46-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-45-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-30-0x0000000022400000-0x000000002265F000-memory.dmp

    Filesize

    2.4MB

  • memory/3716-29-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-72-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-73-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-80-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-81-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-28-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-4-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-7-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3716-9-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4240-97-0x0000000072700000-0x0000000072DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/4240-96-0x000000007270E000-0x000000007270F000-memory.dmp

    Filesize

    4KB

  • memory/4240-104-0x0000000072700000-0x0000000072DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/4240-106-0x0000000072700000-0x0000000072DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/4240-95-0x0000000000780000-0x00000000007DA000-memory.dmp

    Filesize

    360KB

  • memory/4540-114-0x0000000000F60000-0x0000000000FAA000-memory.dmp

    Filesize

    296KB

  • memory/4620-147-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-120-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-118-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-116-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-130-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-146-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4620-133-0x0000000020110000-0x000000002036F000-memory.dmp

    Filesize

    2.4MB

  • memory/4620-131-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4624-102-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4624-99-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4624-105-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/5016-0-0x0000000073A7E000-0x0000000073A7F000-memory.dmp

    Filesize

    4KB

  • memory/5016-2-0x0000000073A70000-0x000000007415E000-memory.dmp

    Filesize

    6.9MB

  • memory/5016-13-0x0000000073A70000-0x000000007415E000-memory.dmp

    Filesize

    6.9MB

  • memory/5016-1-0x00000000009E0000-0x0000000000A2A000-memory.dmp

    Filesize

    296KB

  • memory/5016-12-0x0000000073A70000-0x000000007415E000-memory.dmp

    Filesize

    6.9MB

  • memory/5016-54-0x0000000073A70000-0x000000007415E000-memory.dmp

    Filesize

    6.9MB