Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-12-2024 05:39

General

  • Target

    b57d78d93f74f7ae840ab03d3fda4f22a24ad35afcf9a53128cf82a92a67a085.exe

  • Size

    842KB

  • MD5

    8eb4f92605e35c57a42b0917c221d65c

  • SHA1

    0e64d77ef1b917b3afe512b49710250c71369175

  • SHA256

    b57d78d93f74f7ae840ab03d3fda4f22a24ad35afcf9a53128cf82a92a67a085

  • SHA512

    4cc5db426c8de3d7afdcfa26440d5bd9a885f5148e4307b8d04c5d56c96672d5c82ed9989bf346ce7aecea07d980735c46a930b885f824ba53738ac76dbb05bf

  • SSDEEP

    24576:qWryjPGki4+5vfHU3fYFy664hRvRKMU+Et:1+FQVUPA/v8MhQ

Malware Config

Signatures

  • Detect Vidar Stealer 4 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 13 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 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 48 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b57d78d93f74f7ae840ab03d3fda4f22a24ad35afcf9a53128cf82a92a67a085.exe
    "C:\Users\Admin\AppData\Local\Temp\b57d78d93f74f7ae840ab03d3fda4f22a24ad35afcf9a53128cf82a92a67a085.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2540
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c move App App.cmd & App.cmd
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2788
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2736
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2704
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:2728
      • C:\Windows\SysWOW64\findstr.exe
        findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2816
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 245347
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2252
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "profiles" Organizing
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2852
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Judy + ..\Sheets + ..\Another + ..\Wanting b
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2648
      • C:\Users\Admin\AppData\Local\Temp\245347\Dry.com
        Dry.com b
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:2596
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\245347\Dry.com" & rd /s /q "C:\ProgramData\OHL68YCT00ZM" & exit
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1916
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2564
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    1ff0e61da830eefbe3e50e13bf6ba4bc

    SHA1

    4ed9d498199b281b72ae94f40166bc37a09999d2

    SHA256

    08b00149bdc6a9ac60a9a4abf2fcc85d832061296a8fe33c2c8702d449922d79

    SHA512

    64833f29bfe137bff68475735d6045a2f68bc6327a662d58f738927cd9995b0f2baaca1b27a4c3545ee0b45ec216300700ee0898b600bbecc02a09afa5c77128

  • C:\Users\Admin\AppData\Local\Temp\245347\b

    Filesize

    267KB

    MD5

    0c7d5f0db7d1be49fc2285c64d3c45aa

    SHA1

    942803613a17b0735f80d32dab9be6b87a0e472f

    SHA256

    d49d834cb452343c64c7b9716f5b6d6032ce8b81e04995ccd1af130ff863143d

    SHA512

    52c3cacdd5a798243bdf191d0f673c63befd5297284e2841de8ef0588b103b1192e60d50e22e5572fa160834be7d052aa328556ed182a1cc56c9be55ab76ccc8

  • C:\Users\Admin\AppData\Local\Temp\Another

    Filesize

    96KB

    MD5

    5535aa11bb8a32622dadb4cb7d45071c

    SHA1

    76b4b6221174f1b11370d7aa2a89a5996624c7f8

    SHA256

    ead59f9d65f7830e35a9c213b07938b7bc57513692ecbcf66b4be4ac82350eba

    SHA512

    b14a53ea33b6f44ef4fffb76060955f9ae85bfed79ca206359ffcdf80aa33d21abff41d526e43ba55bc33048fd8a237a2c854e92856f292cb4825304acfbe3bd

  • C:\Users\Admin\AppData\Local\Temp\App

    Filesize

    17KB

    MD5

    15687a16a1310bb6dfcb1fb9b8d052b3

    SHA1

    bda139691a5c3f90f7059d84dbad98354748832f

    SHA256

    08f36da3d5e25c26d14e49bc46995aa1a5842ad368a9e02244db850f77d4a70f

    SHA512

    9dfafa0cf6e7a54037cc53c155c7214580a90b4066d3b469a966f53d363ae63a6a4d9bb08a8de64796e8c6b36e6a5e8374069952628a81b13ebfe93abbc51574

  • C:\Users\Admin\AppData\Local\Temp\CabA759.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Critics

    Filesize

    103KB

    MD5

    8496cef888ee804f2b8a44171481e40a

    SHA1

    90fcde8c353d79ae02bfc946d708d35fedfea64f

    SHA256

    0d8671285841832d972ca2576cdb83f412af8433cf33c511f652912e7fd7e29b

    SHA512

    158c70a8804e73dfb25a1265328fadc26903c5b035a991aaa570f0ef98f89d616c635e4820e926fb8e00e1c20cfcf3fd441dcc0ca5eefa109dd5bc23e0e4c61d

  • C:\Users\Admin\AppData\Local\Temp\Doug

    Filesize

    114KB

    MD5

    37f28bccbcaea4719409c72aa6385586

    SHA1

    083ad006b92745c976989bc5fb76e7187d81a597

    SHA256

    7101d14a5fcf7b47a9c6b809155bea70121c61d2df7e2244573204c2190ccf45

    SHA512

    105de3a0358c0e95b573dd1fc590b27c33f8033158b28a523a5ef9bdbfaa1f488e6b0f7556d6e46d96e23f00392f4eebded0dcea31926a05823ea1b5d4fff22f

  • C:\Users\Admin\AppData\Local\Temp\Eleven

    Filesize

    125KB

    MD5

    3b84985152cd93f2bd04bd909d7c902e

    SHA1

    4bd3d6af1e4ed7efe357e707ec7e6ab2e3ff4eee

    SHA256

    9df8e69068b9ce01749fe0a515db1554c05d491c3a5a4f80f8aba060ea89950f

    SHA512

    051d3b9fa3d463d78d1ac971396dcb00d930a9e9c3f7a1278a7dd8027d1ab159f688f912d65d78ada9f059d73526f987a36cac0d5100cae5491959dd059f89dd

  • C:\Users\Admin\AppData\Local\Temp\Eligibility

    Filesize

    88KB

    MD5

    3efe58b3be584c2afe3d64a453f70dac

    SHA1

    ba151bdfa43145dc0e3a495ac5382638cfb0a2c1

    SHA256

    7054a53ce5187d3470517170af3138dc28cec4ed1793574a91cca795fb7e3e10

    SHA512

    929b0a9af43360af0f820fab936650b211978523b9fdef00ee563930e03f2a9830e5c2246be9ace7f95ab78cfb075e82347cafb02472b8a09dc4859c9a5232f3

  • C:\Users\Admin\AppData\Local\Temp\Judy

    Filesize

    70KB

    MD5

    f5c4ea189e763c79767bb2f4bc471f08

    SHA1

    6abe10f27aeb64cb3583ec3549d8f84eb23b05eb

    SHA256

    49b1a81a6965071db23fe804a6293b87fd2ab96cfda6e28d806c1e76a53e723e

    SHA512

    31e79f7a7fc0a5eea3c4d70b152f75573c43c324b317667f41a824ebb2913d7bf4bacbf08a85d6281ec33ada2f2babe2a26d251008288cb6a4ce85e38dbe51d7

  • C:\Users\Admin\AppData\Local\Temp\Organizing

    Filesize

    239B

    MD5

    28a97febfc5cd391bec1e2a3d9d938bf

    SHA1

    adea302b1d73d65c4c2a64f4f10955d5e4d728aa

    SHA256

    2528cd8d1353e6c4dbcc6d2226b5b50ef14027a962a49c4001d2c8c072904773

    SHA512

    7bbb7f7781c77740efc6361c5195a01f854c3ca1afd9ec7870c4f87c5a28432af97d61a41e4af0d2d3cea45fa3565e297fc08cd7aca91831792df0a81efe0f82

  • C:\Users\Admin\AppData\Local\Temp\Origin

    Filesize

    63KB

    MD5

    7bbdcf2829f157f4178ad1a4ea31bfe6

    SHA1

    afc7c5852f104d94fc2726b3230039b696f17fc2

    SHA256

    bac794ee8129a6edaa06fed424a8839d24b6b8e6a75c4f23bc8c3e7735498818

    SHA512

    d2dd73e8f2b965b9bf9bb806c639af654646d76628e5c707f29ede16a1634dd5a699fb239c83c4bcf492b03e2941129affc777c39b9851f948a96f537dc844ff

  • C:\Users\Admin\AppData\Local\Temp\Saved

    Filesize

    66KB

    MD5

    53ab895bb726a4933dd1dc3f2fa2e5f8

    SHA1

    3933c015286de1871305ac17679d7244e0c73a07

    SHA256

    230c6c15bb57bcb9566d03a0940eb2d8cbb52fd2807cb195982c2541ef7ebbc2

    SHA512

    3ffb82fb40e8ff1d98d395601de10beb59af9f77af6300dba79e2436ea787ee7dce026dd43cdda324515f81ec7b5f48e1df396cfc3568128468c3cc5e663682b

  • C:\Users\Admin\AppData\Local\Temp\Sensor

    Filesize

    116KB

    MD5

    3b125d59ce5a2cf242a621511a0fb164

    SHA1

    3ccba09f214b941931d6169ca9959ace2a72aba7

    SHA256

    e4c1fbedc713173bcef5c724f3d64283add852a64f65c87eb3ec8d86c55833aa

    SHA512

    c026f9aa8e83f2c888e2b8336c7ec8380d34873956407e32fae31fd72bda741b72c649b7162587435e3d13b9b9fae8e0552330d710831c774264724c8589f36c

  • C:\Users\Admin\AppData\Local\Temp\Sheets

    Filesize

    61KB

    MD5

    d947e72346c4ac1aba8bbde8bb791f6f

    SHA1

    f6dc2cffbc0b29502cba42d9adee2263a7ff4835

    SHA256

    a6e6fc90d3c04e2461e3017e9f1dbaa27abb9278f5db7bb09a218a3a969feb41

    SHA512

    61e4a6bfb253d4fcf21781324c6dd7b2dff0750075bfe4ccaffff07a4d2fa552016dfb343bb835bfc7e7d6fd80b2b35b9519f2d6958885502758138bab764e9c

  • C:\Users\Admin\AppData\Local\Temp\Show

    Filesize

    54KB

    MD5

    35469ff6842a57bd9788db58a1e1c0cc

    SHA1

    47b76f8ae04aeff8cde18e15a6ab9d072214a54a

    SHA256

    7006a277a8b2ab82ae4409df94e227083287b7678b9ffe79e2e19d534f1335ec

    SHA512

    3b97531e8d41c069dd9a8a6f3fe0fbc498facbb6df823525a726499cf5a4ea40879b7d02138c6d020520df2d59c28efc2f51470bf9aac9f00b6f40101fe51ad0

  • C:\Users\Admin\AppData\Local\Temp\Silent

    Filesize

    50KB

    MD5

    04df53fd74b69c92dba8cd83eafa1180

    SHA1

    275765d9c7e3300c0b7579ae3de32f658e12945c

    SHA256

    db246122e92d7c13ae1050c65c1e1f722f4e98375c9875d719f775cfe1478ee9

    SHA512

    44dfa1ccf0c3b054dac3fadba5a87c7c56f318c74dff83810310e349b80029f19a08133c502dd7b65e543b882e567ac19de54f8a520ff073774894f6f8320ef5

  • C:\Users\Admin\AppData\Local\Temp\Symptoms

    Filesize

    52KB

    MD5

    7847e23cce3770257dd905024cdc5020

    SHA1

    2d2070cb134ccde38544814a1e1e35a08ab95ea6

    SHA256

    75f0206860b962d3636015d98c420ec5ebf4023ca7b75b747aeb388aafe9049a

    SHA512

    97f5b6924c23343f732ab470b8006ef2b25c92fadb3560fd56db6e53b8daf0c65ce66eb416bd03126c3b1ae6fa2cf66178a487c0eabad24263a3de7253c236b0

  • C:\Users\Admin\AppData\Local\Temp\TarA77B.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\Volunteer

    Filesize

    93KB

    MD5

    d9ebae5a1b2f513852f89fdc3d31672d

    SHA1

    dfa418e6fd3c5b16b685ea0e09cc159a5ff6ed14

    SHA256

    b9a3c8e95d261cc9c6b28b58518554120aa2cfa09c2be81c609c0f01b26b313d

    SHA512

    d5a9226ea1152566872669c4072bea6498c930e405db45fb6b7b63cd7a807be814c7a71e983851f5d7a66b131319a850ddb10e1d4661d4cacd3082cb5c1caeac

  • C:\Users\Admin\AppData\Local\Temp\Wanting

    Filesize

    40KB

    MD5

    6f1a940a0159306f679ff4d03524ae0b

    SHA1

    2b48523d0bf3828abd8590e13a03b5946b3d442d

    SHA256

    7e294dd8f93a9a7d79fb118070f548d1e8fda62fa96af973e1a950f150b0331e

    SHA512

    4ddf0afa24b981bac3ca60cb52af73e39bf7155972f49968c8fc85a17f561208d76158cd117948467176696a0ba87b9ac33658c5e7ef1ef3d4201139e959f932

  • \Users\Admin\AppData\Local\Temp\245347\Dry.com

    Filesize

    925KB

    MD5

    62d09f076e6e0240548c2f837536a46a

    SHA1

    26bdbc63af8abae9a8fb6ec0913a307ef6614cf2

    SHA256

    1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49

    SHA512

    32de0d8bb57f3d3eb01d16950b07176866c7fb2e737d9811f61f7be6606a6a38a5fc5d4d2ae54a190636409b2a7943abca292d6cefaa89df1fc474a1312c695f

  • memory/2596-44-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB

  • memory/2596-48-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB

  • memory/2596-47-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB

  • memory/2596-49-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB

  • memory/2596-45-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB

  • memory/2596-46-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB

  • memory/2596-184-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB

  • memory/2596-183-0x0000000003490000-0x00000000036C9000-memory.dmp

    Filesize

    2.2MB