Analysis

  • max time kernel
    90s
  • max time network
    133s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    20-08-2024 12:43

General

  • Target

    d5c9d358c21a766b5a856276585686517ff818f36ee501b97884c062cdd1853d.exe

  • Size

    205KB

  • MD5

    9dcd1be11b36b327ced51156db4f63be

  • SHA1

    bec8c8b96db8fdd3108b9effaa9903a446621615

  • SHA256

    d5c9d358c21a766b5a856276585686517ff818f36ee501b97884c062cdd1853d

  • SHA512

    ac81c8e1855ec993ba7ede0605f7b129a9c49af05a58cb902018998906f5b0ccc6a900256ee47c6b188501cfca8d3d1a72ff7264424af79423fea8e68caf136f

  • SSDEEP

    6144:U1mWXPvwnkApSNfWWiu5exsHD/nrIiid8SXHhJjY:U8WXXqHSNfWWiyngdbHhFY

Malware Config

Extracted

Family

stealc

Botnet

default

C2

http://46.8.231.109

Attributes
  • url_path

    /c4754d4f680ead72.php

Extracted

Family

vidar

Version

10.8

Botnet

c22736e13a03d8e58bc955d6d85b7416

C2

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 17 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • 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 4 IoCs
  • Loads dropped DLL 4 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 5 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 14 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 6 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5c9d358c21a766b5a856276585686517ff818f36ee501b97884c062cdd1853d.exe
    "C:\Users\Admin\AppData\Local\Temp\d5c9d358c21a766b5a856276585686517ff818f36ee501b97884c062cdd1853d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4560
    • 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:4728
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\IJDHCBGHJE.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3340
        • C:\ProgramData\IJDHCBGHJE.exe
          "C:\ProgramData\IJDHCBGHJE.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1644
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • System Location Discovery: System Language Discovery
            PID:1424
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c start "" "C:\ProgramData\BGDBKKFHIE.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3320
        • C:\ProgramData\BGDBKKFHIE.exe
          "C:\ProgramData\BGDBKKFHIE.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1640
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            5⤵
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            • Checks processor information in registry
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:4052
            • C:\ProgramData\FCFBAKJDBK.exe
              "C:\ProgramData\FCFBAKJDBK.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4464
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                PID:3520
            • C:\ProgramData\FHCBGDAAFB.exe
              "C:\ProgramData\FHCBGDAAFB.exe"
              6⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1932
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                7⤵
                • System Location Discovery: System Language Discovery
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                PID:2992
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAFHIJDHDGDB" & exit
              6⤵
              • System Location Discovery: System Language Discovery
              PID:4580
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                7⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\BGDBKKFHIE.exe

    Filesize

    191KB

    MD5

    3d08f64f3e3d9f37161e6496137084dc

    SHA1

    ef9ef5ff14c2907142ff3f5ebefa35c881d82442

    SHA256

    46d76e5ef444f4a21be37e7f86457c8d65d5855a1d511a4c86ef91bb3224e57b

    SHA512

    0af78be5618b96f4c08eda15aef22711aa211d17ed0c8172e97e109bdfa0ece47e1cad9a531a1a0a315591f5be04e5c88a080f1cce8f5fefe9b51df5d2b6310a

  • C:\ProgramData\CAFHIJDHDGDB\AKEGII

    Filesize

    112KB

    MD5

    87210e9e528a4ddb09c6b671937c79c6

    SHA1

    3c75314714619f5b55e25769e0985d497f0062f2

    SHA256

    eeb23424586eb7bc62b51b19f1719c6571b71b167f4d63f25984b7f5c5436db1

    SHA512

    f8cb8098dc8d478854cddddeac3396bc7b602c4d0449491ecacea7b9106672f36b55b377c724dc6881bee407c6b6c5c3352495ed4b852dd578aa3643a43e37c0

  • C:\ProgramData\CAFHIJDHDGDB\DGCAAA

    Filesize

    114KB

    MD5

    16525940d4d53252d2b47a961435749e

    SHA1

    aae20adb5acb17d80ab1f038d6efb4428ea59d3a

    SHA256

    d6d3dbb0f235b410c2443422b08a758ca08c24cf74a078fe62ba7708c735f3d5

    SHA512

    f97537d3280d1e28c4344a0a0fbb62bf4167deaef7d4022e242cb097befcfb5790195b46f4051b23f57d8f069db4b8e532daef46cd1c3d6d6d95ad4174a23d49

  • C:\ProgramData\CAFHIJDHDGDB\HDGDHC

    Filesize

    10KB

    MD5

    23e75695c1383d186ab7b49f80b9d374

    SHA1

    9a1edc88254175e7bd7b83730f147e16e6bd8aee

    SHA256

    0b8bd6affda2b5f5beddd7172335665dbebf11d4932695c2a668f6a6f70b1d0e

    SHA512

    256061b384855ddeec475904f6359d071504f804f53c1c3fb2a51c551bc56b39d5463911e2c331fb0f686c1934bf4aa340f7d57ec39928f6f92a421393708a12

  • C:\ProgramData\GDAAKFIDGIEG\GCGHJE

    Filesize

    160KB

    MD5

    f310cf1ff562ae14449e0167a3e1fe46

    SHA1

    85c58afa9049467031c6c2b17f5c12ca73bb2788

    SHA256

    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

    SHA512

    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

  • C:\ProgramData\GDAAKFIDGIEG\GCGHJE

    Filesize

    40KB

    MD5

    a182561a527f929489bf4b8f74f65cd7

    SHA1

    8cd6866594759711ea1836e86a5b7ca64ee8911f

    SHA256

    42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

    SHA512

    9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

  • C:\ProgramData\GDAAKFIDGIEG\JJKEBG

    Filesize

    20KB

    MD5

    a603e09d617fea7517059b4924b1df93

    SHA1

    31d66e1496e0229c6a312f8be05da3f813b3fa9e

    SHA256

    ccd15f9c7a997ae2b5320ea856c7efc54b5055254d41a443d21a60c39c565cb7

    SHA512

    eadb844a84f8a660c578a2f8e65ebcb9e0b9ab67422be957f35492ff870825a4b363f96fd1c546eaacfd518f6812fcf57268ef03c149e5b1a7af145c7100e2cc

  • C:\ProgramData\IJDHCBGHJE.exe

    Filesize

    277KB

    MD5

    9a9953dc06ef76dfb7ef3a308340f77b

    SHA1

    7e7764a5ebcac8c69479603faf1f72d66044159d

    SHA256

    73c517aec4a202f017444ac5846413a6985f98358a3c1f4926f013bc4250b0af

    SHA512

    4cb1867b3f364160b0f5d60b2104f5df381fc1d641701da8b3b65cd67e7e5cbc27ad85a95ea8ec93341a8d18767a5b9423213e82a4c0167efc85f045662c2be5

  • C:\ProgramData\freebl3.dll

    Filesize

    669KB

    MD5

    550686c0ee48c386dfcb40199bd076ac

    SHA1

    ee5134da4d3efcb466081fb6197be5e12a5b22ab

    SHA256

    edd043f2005dbd5902fc421eabb9472a7266950c5cbaca34e2d590b17d12f5fa

    SHA512

    0b7f47af883b99f9fbdc08020446b58f2f3fa55292fd9bc78fc967dd35bdd8bd549802722de37668cc89ede61b20359190efbfdf026ae2bdc854f4740a54649e

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\msvcp140.dll

    Filesize

    439KB

    MD5

    5ff1fca37c466d6723ec67be93b51442

    SHA1

    34cc4e158092083b13d67d6d2bc9e57b798a303b

    SHA256

    5136a49a682ac8d7f1ce71b211de8688fce42ed57210af087a8e2dbc8a934062

    SHA512

    4802ef62630c521d83a1d333969593fb00c9b38f82b4d07f70fbd21f495fea9b3f67676064573d2c71c42bc6f701992989742213501b16087bb6110e337c7546

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • C:\ProgramData\softokn3.dll

    Filesize

    251KB

    MD5

    4e52d739c324db8225bd9ab2695f262f

    SHA1

    71c3da43dc5a0d2a1941e874a6d015a071783889

    SHA256

    74ebbac956e519e16923abdc5ab8912098a4f64e38ddcb2eae23969f306afe5a

    SHA512

    2d4168a69082a9192b9248f7331bd806c260478ff817567df54f997d7c3c7d640776131355401e4bdb9744e246c36d658cb24b18de67d8f23f10066e5fe445f6

  • C:\ProgramData\vcruntime140.dll

    Filesize

    78KB

    MD5

    a37ee36b536409056a86f50e67777dd7

    SHA1

    1cafa159292aa736fc595fc04e16325b27cd6750

    SHA256

    8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825

    SHA512

    3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

    Filesize

    471B

    MD5

    9960e5c8527b48378b022a2ffebb94ab

    SHA1

    dcbb9431e542263cae6aa73d9c15685a6c642b32

    SHA256

    27c8a37a9e191790eecbf0ed10a342d371d62d38d69c6fc9eed34e077f89ebfc

    SHA512

    97c751e86f271ac38ab03ab1b9eb3ae5ffe8bbdf71ca3e2097a12bbcf930a8c4f81d6dcbe6374797303aecc1bb53b3e6d19f8b3584526f99f3d1c6dff77df2c6

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

    Filesize

    400B

    MD5

    f7ab279effa9bd1aa6a71e6687cdb37c

    SHA1

    cc1499d0d2ec4219acd1be2fd59858f00364d2d0

    SHA256

    f370ef4d8975b081f8db881774394da1db04fd5c8f29fcd6fead0c00476a7fed

    SHA512

    57a51444486c81aaffb9ffc795fc100b6817cfc48a468bcea32a8636f7c244bb54fc9bd4a54b6cc156360a90faa230797f8874d32232313251727a942a94cf60

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\FHCBGDAAFB.exe.log

    Filesize

    42B

    MD5

    84cfdb4b995b1dbf543b26b86c863adc

    SHA1

    d2f47764908bf30036cf8248b9ff5541e2711fa2

    SHA256

    d8988d672d6915b46946b28c06ad8066c50041f6152a91d37ffa5cf129cc146b

    SHA512

    485f0ed45e13f00a93762cbf15b4b8f996553baa021152fae5aba051e3736bcd3ca8f4328f0e6d9e3e1f910c96c4a9ae055331123ee08e3c2ce3a99ac2e177ce

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\6LUG8YDR\76561199761128941[1].htm

    Filesize

    33KB

    MD5

    82705a2519cbb5c59e44d6bd688ac5d0

    SHA1

    c9f39f51ec46c5bd46ecf8cc6fefaebb8a3288ff

    SHA256

    a33674696e0893b18032c3b96eeb27d591c0d9a8c4b662d601631472c7785509

    SHA512

    5954a3fc35a7e431f86b945da65dfe003db20751c82b361ecab9fbb9b49f86b5172e6c8405b059aef7a9e861f9476828fbcb9e085cf642e751d11448e7f1b790

  • memory/1424-98-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1424-100-0x0000000000400000-0x000000000044C000-memory.dmp

    Filesize

    304KB

  • memory/1640-99-0x00000000002C0000-0x00000000002F4000-memory.dmp

    Filesize

    208KB

  • memory/1644-90-0x0000000000370000-0x00000000003BA000-memory.dmp

    Filesize

    296KB

  • memory/1644-89-0x000000007279E000-0x000000007279F000-memory.dmp

    Filesize

    4KB

  • memory/2992-236-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/2992-237-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/2992-238-0x0000000020280000-0x00000000204DF000-memory.dmp

    Filesize

    2.4MB

  • memory/2992-252-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/2992-253-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-136-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-120-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-153-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-137-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-184-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-104-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-122-0x00000000223D0000-0x000000002262F000-memory.dmp

    Filesize

    2.4MB

  • memory/4052-185-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-121-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-192-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-193-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-154-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-103-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4052-106-0x0000000000400000-0x0000000000641000-memory.dmp

    Filesize

    2.3MB

  • memory/4560-116-0x0000000074B30000-0x00000000752E1000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-0-0x0000000074B3E000-0x0000000074B3F000-memory.dmp

    Filesize

    4KB

  • memory/4560-9-0x0000000074B30000-0x00000000752E1000-memory.dmp

    Filesize

    7.7MB

  • memory/4560-1-0x0000000000FC0000-0x0000000000FFA000-memory.dmp

    Filesize

    232KB

  • memory/4728-110-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/4728-11-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/4728-10-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/4728-4-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB

  • memory/4728-8-0x0000000000400000-0x0000000000643000-memory.dmp

    Filesize

    2.3MB