Analysis

  • max time kernel
    132s
  • max time network
    248s
  • 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 22:41

General

  • Target

    be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe

  • Size

    283KB

  • MD5

    ac7314c596e766b8f4f368579e2e0f8f

  • SHA1

    0e4941e5e4299d04b9408194542c7362bcabcd2f

  • SHA256

    be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

  • SHA512

    4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

  • SSDEEP

    6144:DjacaEk/a7rOXYSjyZ6bNEl3ptRZjZLXksRKAylE//0Cw9EO:XzaEu2iZjyZ6b03ptRFZTFKu0CsEO

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 34 IoCs
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe
    "C:\Users\Admin\AppData\Local\Temp\be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    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:3556
      • C:\ProgramData\JKJDAEBFCB.exe
        "C:\ProgramData\JKJDAEBFCB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3948
        • 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:4148
      • C:\ProgramData\GIIIECBGDH.exe
        "C:\ProgramData\GIIIECBGDH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5116
        • 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:5104
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DBKFIDAAEHIE" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4464
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\FIIECFHDBAAE\BGCBGC

    Filesize

    148KB

    MD5

    90a1d4b55edf36fa8b4cc6974ed7d4c4

    SHA1

    aba1b8d0e05421e7df5982899f626211c3c4b5c1

    SHA256

    7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

    SHA512

    ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

  • C:\ProgramData\GIIIECBGDH.exe

    Filesize

    293KB

    MD5

    6d1999f1096cee3f06507e0d896d7c4a

    SHA1

    947cde63e799d23622468caecd0172a4ce8e8c17

    SHA256

    6f8b44c727d44c82461e3e33098a1d93517bd200c4489120914f34e22715309c

    SHA512

    eb46aa64facd4456eaad1b24ee158b9e7bd5426580caf1ca4d5cd24fe08127612b8fcb2e1cedd054daff85e315d3942fb75bc5959c89baadf832d70a8a0982b1

  • C:\ProgramData\JKJDAEBFCB.exe

    Filesize

    355KB

    MD5

    731a25a9b1f2c31056f7bd75c71deac4

    SHA1

    ac95005a75add78f8226e553ff3bb32bcfeef1ea

    SHA256

    d0285d1ff85d7ef17ce9e3c0b185bd93624d6fde47a2cf0ec99a8cfd4a7afb0d

    SHA512

    efccfa84482c3a262c2efe9d5107a22a94efae352a46d01c0c677266835bb1d4b04a105ff7b94c5042640d40672576512ca06201260a5ee82257c7f524304fa4

  • 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

    c3473a9cd27c56a0b19c9e207cbdb9d5

    SHA1

    0b43c9cc34d1b23bf7cb2d130a3a6aa2982bf225

    SHA256

    824514f2d822f5c3426523eb47c70d421c6a01e2af05c5f5f05ee700ec1506b7

    SHA512

    63b1910f3b7e9e9ed5f93052d74351458e3b7201adbf6dad539d6573319a1fdbeb2def9234bb087e55aba0ce6343917aff8837eeaae5a57029ffcb77130ee657

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

    Filesize

    450B

    MD5

    8e7123ef03f420fe4f55dfe3258ea034

    SHA1

    643fe58b94c1d576117b48c4750a90e1b553e7b1

    SHA256

    1c4b4f628e5c00f14a75e4764dae237b9875ddf1a53f42ae0b9c7d0f50650045

    SHA512

    2cee99a70e27bfa7597f42694ad73557b243282daabeda0b9ef6cb6ced65cdff7756c8cec319fa0a17f020cb9f7ed2d54875ebad4454d022a934d2664388415d

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

    Filesize

    458B

    MD5

    2acf241527a0b195c813cfdd0da00e9e

    SHA1

    50a7bf3ae084cc1c7cfbdd28c9b02d419b751c68

    SHA256

    57eb712456269a8c72ce0d53ce00365bc19473d94b176d29f894aeab569d3a95

    SHA512

    2bead395db8a490f83ce68ecca60928c97e3df9030124a3e0fd9523178b0ae071092d76f5b2cc78b150eb0961bafb50ee92ac64e1bdc22fd67b8c66d566483ff

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCookies\YMTX7UR7.cookie

    Filesize

    102B

    MD5

    078610d591e78f919e739cc191ae2647

    SHA1

    8de1d4a1a79bf39e0eece2f9885d8a9fb08c449c

    SHA256

    23b1bcabf7ee0f7ec5b628eb25d8304d2a46ebb31757650f7f11bf52f65c1d5d

    SHA512

    7cb12fcf92781f5829a412209a5ea7d35f2009c00aff905ff1267c71faad4b8bea2544cff85320075429e8a55ca92704ea4261975486bd1f46c3b8ca5514c944

  • \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/3556-45-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-29-0x0000000022580000-0x00000000227DF000-memory.dmp

    Filesize

    2.4MB

  • memory/3556-4-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-71-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-72-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-79-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-80-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-44-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-7-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-9-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-27-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3556-28-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/3948-95-0x0000000000D00000-0x0000000000D5A000-memory.dmp

    Filesize

    360KB

  • memory/3948-94-0x0000000070FFE000-0x0000000070FFF000-memory.dmp

    Filesize

    4KB

  • memory/3948-103-0x0000000070FF0000-0x00000000716DE000-memory.dmp

    Filesize

    6.9MB

  • memory/3948-105-0x0000000070FF0000-0x00000000716DE000-memory.dmp

    Filesize

    6.9MB

  • memory/3948-96-0x0000000070FF0000-0x00000000716DE000-memory.dmp

    Filesize

    6.9MB

  • memory/4148-98-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4148-104-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4148-101-0x0000000000400000-0x000000000045D000-memory.dmp

    Filesize

    372KB

  • memory/4800-1-0x0000000000820000-0x000000000086A000-memory.dmp

    Filesize

    296KB

  • memory/4800-2-0x00000000054D0000-0x00000000059CE000-memory.dmp

    Filesize

    5.0MB

  • memory/4800-0-0x000000007301E000-0x000000007301F000-memory.dmp

    Filesize

    4KB

  • memory/4800-12-0x0000000073010000-0x00000000736FE000-memory.dmp

    Filesize

    6.9MB

  • memory/4800-53-0x0000000073010000-0x00000000736FE000-memory.dmp

    Filesize

    6.9MB

  • memory/5104-115-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5104-117-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5104-119-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5104-129-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5104-130-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5104-131-0x000000001FFE0000-0x000000002023F000-memory.dmp

    Filesize

    2.4MB

  • memory/5104-145-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5104-146-0x0000000000400000-0x0000000000657000-memory.dmp

    Filesize

    2.3MB

  • memory/5116-113-0x0000000000960000-0x00000000009AA000-memory.dmp

    Filesize

    296KB