Analysis

  • max time kernel
    134s
  • max time network
    299s
  • 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 22:36

General

  • Target

    6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe

  • Size

    293KB

  • MD5

    6d1999f1096cee3f06507e0d896d7c4a

  • SHA1

    947cde63e799d23622468caecd0172a4ce8e8c17

  • SHA256

    6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

  • SHA512

    eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

  • SSDEEP

    6144:GjLJez4cSDiETFuowGsIceEprDhXEW0EP2YhkkaLr5GiHIHmhjwBIwEO:Gjdo4cQlUowGLzEJDh0HJXkUUioH8jlI

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 34 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe
    "C:\Users\Admin\AppData\Local\Temp\6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4740
    • 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:2976
      • C:\ProgramData\CFHCBKKFIJ.exe
        "C:\ProgramData\CFHCBKKFIJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1052
        • 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:1968
      • C:\ProgramData\KKJJEBFCGD.exe
        "C:\ProgramData\KKJJEBFCGD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1312
        • 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\AKKKECBKKECG" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:440
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\CFHCBKKFIJ.exe

    Filesize

    355KB

    MD5

    731a25a9b1f2c31056f7bd75c71deac4

    SHA1

    ac95005a75add78f8226e553ff3bb32bcfeef1ea

    SHA256

    d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

    SHA512

    efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

  • C:\ProgramData\DHDBGHCBAEGC\JJJKEH

    Filesize

    148KB

    MD5

    90a1d4b55edf36fa8b4cc6974ed7d4c4

    SHA1

    aba1b8d0e05421e7df5982899f626211c3c4b5c1

    SHA256

    7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

    SHA512

    ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

  • C:\ProgramData\KKJJEBFCGD.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

    802afced146657c0a893284b21aff7a1

    SHA1

    4c59f6de83068bd172a3f5f367d7e9f04f8bbbb8

    SHA256

    569eab8127251c850d0ecceaddb4bd3afbf2f74f740864c82d222e90bdeafc0a

    SHA512

    d6df8513d34c7f3bd85922f639a2ea3cb01d43083955c7c7880d0cbe2e1a54b5226eb4e974cd8305033279fcbfeb9a83368ab154fab1adb00fd8fb186d7758f5

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

    Filesize

    450B

    MD5

    2189f194dcf0f63d3bbbeacae4c9136c

    SHA1

    7968cd3bb77284bae06e24e9ad1a4f38c6d6bcbf

    SHA256

    6ee75c5ce3533c5735722345adc38f5764628227a0b17ae6793e0d693e7d861b

    SHA512

    3f5259f8bd218847e0b29e1a5d0d31389c698262086416f9b1e345cbd1e33c939d71c1cbd456ee5ac0de5f5aaf06f83622775ea3e72c5994af14154bc923524b

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

    Filesize

    458B

    MD5

    aced11e65a6c3812dd642bb532bcf974

    SHA1

    d08808081eb588d3e7b583197d5c38e84dc14ec9

    SHA256

    bf67566f7e3084b5cab06a7e9c8ed202964441d26028f1d97b345cd760b18100

    SHA512

    8096ef7fd9648b522ebdfe35a0502b0016b048e4419017c1b6332d0171e2d3b55d0f75b3573974683ec9d5cd1e7b7581eaeb13df56ac73ba358ec2e3d5fe765d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\OLUG3JEE.cookie

    Filesize

    103B

    MD5

    277a29253da79e27c82aadc71ca27b6f

    SHA1

    74dafefa4c144602de915dc9e89b77f5ebac946a

    SHA256

    ea7f8b2d37b5a5f43c102c7e0dafa32d425290183654cba3a69210561c859a4d

    SHA512

    daa16ce6eaa2a4c5b2c5944ce0b35471419488a029282d86cf1d594039e5aed83d4b8ae116707eaab1380d6aee7865035905686dd8764cff23b946b2c94554b6

  • \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/1052-94-0x000000007238E000-0x000000007238F000-memory.dmp

    Filesize

    4KB

  • memory/1052-95-0x0000000000BC0000-0x0000000000C1A000-memory.dmp

    Filesize

    360KB

  • memory/1052-103-0x0000000072380000-0x0000000072A6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1052-96-0x0000000072380000-0x0000000072A6E000-memory.dmp

    Filesize

    6.9MB

  • memory/1968-101-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1968-104-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/1968-98-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/2976-30-0x0000000022260000-0x00000000224BF000-memory.dmp

    Filesize

    2.4MB

  • memory/2976-46-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-78-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-71-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-80-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-45-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-10-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-79-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-29-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/2976-28-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

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

    Filesize

    2.3MB

  • memory/2976-7-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/4740-0-0x00000000733AE000-0x00000000733AF000-memory.dmp

    Filesize

    4KB

  • memory/4740-9-0x00000000733A0000-0x0000000073A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/4740-13-0x00000000733A0000-0x0000000073A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/4740-2-0x00000000733A0000-0x0000000073A8E000-memory.dmp

    Filesize

    6.9MB

  • memory/4740-1-0x00000000004A0000-0x00000000004EA000-memory.dmp

    Filesize

    296KB

  • memory/5032-127-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5032-128-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5032-129-0x0000000020200000-0x000000002045F000-memory.dmp

    Filesize

    2.4MB

  • memory/5032-143-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5032-144-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB