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Analysis

  • max time kernel
    134s
  • max time network
    262s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    19/09/2024, 22:37

General

  • Target

    86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c.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 15 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 16 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c.exe
    "C:\Users\Admin\AppData\Local\Temp\86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:752
    • 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:2724
      • C:\ProgramData\CAFHDBGHJK.exe
        "C:\ProgramData\CAFHDBGHJK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1672
        • 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:4132
      • C:\ProgramData\GIDAECGDAF.exe
        "C:\ProgramData\GIDAECGDAF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:504
        • 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:5092
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\ECAFHIIJJECG" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2244
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\CAFHDBGHJK.exe

    Filesize

    355KB

    MD5

    731a25a9b1f2c31056f7bd75c71deac4

    SHA1

    ac95005a75add78f8226e553ff3bb32bcfeef1ea

    SHA256

    d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

    SHA512

    efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

  • C:\ProgramData\GIDAECGDAF.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

    dad7e905bda899fbe87517bbdbebb982

    SHA1

    6514c63cd8b698e2e281757410567d2d850c943a

    SHA256

    9b1d09e24734856db41333e608c3cba699eae53e86239148dbc09daf72465bd6

    SHA512

    717f11d28412899ab406410caf0463dfbe00941863e14b781d45e10e895f822e11ca76d5acc3245d7759cd8bec7a1eed703ce32a49e0da3dffacdd1dacab6c30

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

    Filesize

    450B

    MD5

    c472c0461028ee82d3fa80ee71749b7f

    SHA1

    56ef620390cfbf05e1a3fcdd44e0657ec1ca1adf

    SHA256

    8d488736463528f23d84ec8130b03d74c99bdcd28b6964de1225885884e549f2

    SHA512

    22f895ae31d849f96c579ac509628155c19aeb1f61d5183701e2c93228b42d82794cf71378277ae2350435c678a9053088a3f01ae9bc024bfeb948fe8af830fe

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

    Filesize

    458B

    MD5

    225b00188cdf001fb9e179ce6d768175

    SHA1

    1d99a304aa4c8943d2af60d97d8bc7c408d267d4

    SHA256

    2eba18143c00cdd72548fc916024e4d6aa1247e9617949a2c6eabb731b5c0cd2

    SHA512

    2faba365e9d50472f6ae4d65bd49af1eba254f5ad25a55bcfcd1d51cbf58d47941d873c9db91bce6cd13b06f4226e63a7f416f1c11ea6debb095133626844763

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\RBGE9CQR.cookie

    Filesize

    104B

    MD5

    e95d45f43f78da538b61724fc3337b80

    SHA1

    78fc7c3f56104433bbb0764fde90b9928957fa81

    SHA256

    5f5552fc4b6d337292ce13853760e03c6890f2641e6fcad834e86059b84167bb

    SHA512

    00aa2710f2fab0b57e079ca14ef8b223649db689ea653781f559e03d43347af2c73d9a4d2eaa43ac60adf3c97b8e988e0450e32e2bb240df1876ba979ccafac7

  • \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/504-113-0x00000000002F0000-0x000000000033A000-memory.dmp

    Filesize

    296KB

  • memory/752-13-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/752-6-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/752-2-0x0000000073700000-0x0000000073DEE000-memory.dmp

    Filesize

    6.9MB

  • memory/752-1-0x0000000000B30000-0x0000000000B7A000-memory.dmp

    Filesize

    296KB

  • memory/752-0-0x000000007370E000-0x000000007370F000-memory.dmp

    Filesize

    4KB

  • memory/1672-94-0x00000000723FE000-0x00000000723FF000-memory.dmp

    Filesize

    4KB

  • memory/1672-96-0x00000000723F0000-0x0000000072ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1672-101-0x00000000723F0000-0x0000000072ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1672-100-0x00000000723F0000-0x0000000072ADE000-memory.dmp

    Filesize

    6.9MB

  • memory/1672-95-0x0000000000490000-0x00000000004EA000-memory.dmp

    Filesize

    360KB

  • memory/2724-4-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-8-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-80-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-79-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-72-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-10-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-71-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-46-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-45-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-30-0x0000000022460000-0x00000000226BF000-memory.dmp

    Filesize

    2.4MB

  • memory/2724-29-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2724-28-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4132-105-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4132-103-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4132-98-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/5092-129-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5092-130-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5092-131-0x00000000201C0000-0x000000002041F000-memory.dmp

    Filesize

    2.4MB

  • memory/5092-141-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5092-142-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB