Resubmissions

02/08/2024, 22:44

240802-2nrv2atdlk 9

02/08/2024, 22:42

240802-2m3k5stdjk 9

Analysis

  • max time kernel
    42s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    02/08/2024, 22:42

General

  • Target

    ItroublveTSCV8.exe

  • Size

    2.9MB

  • MD5

    04d9deab1ba92eecd071d6e47e360dd9

  • SHA1

    73ff84e18d53babcc61699501b0ebc68a1420661

  • SHA256

    030ea9a39d673500d2cdb7f5ba377aa57e535b7327d28a1d84763ca58b72684c

  • SHA512

    738e67e97f4a159e9c376ba458cfb908c9782325ca6d9ebb101a5135335fcb784e4fbe7123dd182b240896153dafeaccb2b165f4f4bf8b2a8ae0b5f21407756f

  • SSDEEP

    49152:/smhnqAs9pJc0dnKh+Q0N1rs+vIUSg+6+8ohnRh1Na1OKM6nYAKhFQpSH3Oh5gxr:pqXpy05Q0N1rsYSZ6BoXh1kkypSH3Ohs

Malware Config

Signatures

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Detected Nirsoft tools 7 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Executes dropped EXE 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 57 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ItroublveTSCV8.exe
    "C:\Users\Admin\AppData\Local\Temp\ItroublveTSCV8.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1656
    • C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe
      "C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe" ZhXl39BlhP84+Y4kurA8wpehxxqA0X22IMYZ6Vpiqs6SDcpfIREy9yny5X4BjWdcCnbsJLRsT3HqWFSaQpQt4nZkmO9uw3P6x/MTVfeHyx61SFQTgm72SOLayQLdeXIbeo9aJbaft2mvD7MNkql9gx3X9JRDkPebNAAk65D72Nc=
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2212
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3016
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c compile.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2220
          • C:\Users\Admin\AppData\Local\Temp\bfsvc.exe
            C:\Users\Admin\AppData\Local\Temp\bfsvc.exe /capture /Filename "C:\Users\Admin\AppData\Local\Temp\capture.png"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:1748
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2444
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c compile.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2560
          • C:\Users\Admin\AppData\Local\Temp\snuvcdsm.exe
            C:\Users\Admin\AppData\Local\Temp\snuvcdsm.exe /stext "C:\Users\Admin\AppData\Local\Temp\Admin_Passwords.txt"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            • Suspicious behavior: EnumeratesProcesses
            PID:2572
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2036
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c compile.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1044
          • C:\Users\Admin\AppData\Local\Temp\winhlp32.exe
            C:\Users\Admin\AppData\Local\Temp\winhlp32.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies1"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:1732
          • C:\Users\Admin\AppData\Local\Temp\splwow64.exe
            C:\Users\Admin\AppData\Local\Temp\splwow64.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies2"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            PID:616
          • C:\Users\Admin\AppData\Local\Temp\hh.exe
            C:\Users\Admin\AppData\Local\Temp\hh.exe /stext "C:\Users\Admin\AppData\Local\Temp\Cookies3"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            • Suspicious behavior: EnumeratesProcesses
            PID:548
      • C:\Windows\System32\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\compile.vbs"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:680
        • C:\Windows\System32\cmd.exe
          "C:\Windows\System32\cmd.exe" /c compile.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3036
          • C:\Users\Admin\AppData\Local\Temp\xwizard.exe
            C:\Users\Admin\AppData\Local\Temp\xwizard.exe /stext "C:\Users\Admin\AppData\Local\Temp\Admin_History.txt"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: CmdExeWriteProcessMemorySpam
            • Suspicious behavior: EnumeratesProcesses
            PID:912
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Windows\system32\choice.exe
          choice /C Y /N /D Y /T 3
          4⤵
            PID:2228

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\Admin_Passwords.txt

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • C:\Users\Admin\AppData\Local\Temp\Cab58EB.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\RtkBtManServ.exe

      Filesize

      2.8MB

      MD5

      88ab0bb59b0b20816a833ba91c1606d3

      SHA1

      72c09b7789a4bac8fee41227d101daed8437edeb

      SHA256

      f4fb42c8312a6002a8783e2a1ab4571eb89e92cd192b1a21e8c4582205c37312

      SHA512

      05cff2ca00ba940d9371c469bce6ffb4795c845d77525b8a1d4919f708296e66c0a6f3143c5964f5e963955e4f527a70624651113e72dc977f5ef40fa0276857

    • C:\Users\Admin\AppData\Local\Temp\Tar590E.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • C:\Users\Admin\AppData\Local\Temp\bfsvc.cfg

      Filesize

      529B

      MD5

      5242530a2b65089696f3cf8e5ee02ff7

      SHA1

      d604293148cdd953b3368c54920c043cffe9e1c1

      SHA256

      239a1d9844ddbd0e650f8e5de69a2a40067106a79878fa4948a8039f1573b781

      SHA512

      7aafe122d3b7b9d377f689a872c2306c3b04d5a8a7e4df69b65370e48356db416b5cacc6681a1f7315d0ad730fd12b651115a81bd4c880033e5ef89fa605c39a

    • C:\Users\Admin\AppData\Local\Temp\bfsvc.exe

      Filesize

      71KB

      MD5

      899d3ed011eb58459b8a4fc2b81f0924

      SHA1

      80361f1e0b93143ec1ddfee156760f5938c85791

      SHA256

      5e3f311ae67f046b56435067bcdd39fbf836fa0421fbc8c8b0e43e8e47524954

      SHA512

      802ee4f8d25417589c7e62f0acc9dc2dc8f1d32654ca435f6aeae2926e6900373648790451c9143856a772a49c2a8f3c8659c5b8260f0f67559aeef875825f05

    • C:\Users\Admin\AppData\Local\Temp\bhv9750.tmp

      Filesize

      32.1MB

      MD5

      ebc1125a37195baefe72f66e6a1fce86

      SHA1

      f1790a4d04e26ae8950f3094664816a24365ba12

      SHA256

      98dd08f828fb7e65b7e721560d5a669587b4d8685de81163dcffc4d7a38fa936

      SHA512

      db42f8270d93007d22074505ca2116e8f1ef83964c08f910f3cfd84f65fc74a5720e9d786a37f1961d8bddf52739f0a12f0d5a9494bbc8d4372b07d9f9dd8ebe

    • C:\Users\Admin\AppData\Local\Temp\compile.bat

      Filesize

      70B

      MD5

      d90accebb3f79fe65cd938425c07b0ae

      SHA1

      9df3812a88d87dd419cd9e89afa5fb1d71be0dc9

      SHA256

      aca74cefaef4b7a32338c9c63187cffa1e808b54ab218a064007683ad1bd3a0e

      SHA512

      44013bfda1dbe5b217d4872e8d550cd00471cb8b969ffd6b07f83b0c59ac20ec2512d275a4603cc00e5de3a04666f66e897601ba51a5e02af622e5139ac04560

    • C:\Users\Admin\AppData\Local\Temp\compile.bat

      Filesize

      74B

      MD5

      808099bfbd62ec04f0ed44959bbc6160

      SHA1

      f4b6853d958c2c4416f6e4a5be8a11d86f64c023

      SHA256

      f465a1bd2f9a3efcf0589f0b1c234d285f2bebf7416b324271d987a282915ca8

      SHA512

      e4f75253a402f0f5d5c651cde045757dad0d4312be023fabf279d7c053fde6ba63cf387551a0451585a87f929634e0bfa73a06dac85ecd1bb5bc0b72bb98e1f0

    • C:\Users\Admin\AppData\Local\Temp\compile.bat

      Filesize

      156B

      MD5

      eb51755b637423154d1341c6ee505f50

      SHA1

      d71d27e283b26e75e58c0d02f91d91a2e914c959

      SHA256

      db903aae119dc795581080a528ba04286be11be7e9d417305d77123545fbf0f9

      SHA512

      e23463fe0a3719c2700826b55f375f60e5e67f3e432aa8e90c5afc8f449fc635aa4c031f9b6fa71344a8da9542585b74e4c812383043868a10a1065d477acee5

    • C:\Users\Admin\AppData\Local\Temp\compile.bat

      Filesize

      71B

      MD5

      91128da441ad667b8c54ebeadeca7525

      SHA1

      24b5c77fb68db64cba27c338e4373a455111a8cc

      SHA256

      50801c4db374acec11831bf7602cd2635bc8964800c67217b25683dce4a45873

      SHA512

      bd2a8bc4458b1bc85c5a59db872278197bb0a2a2086a1a9aa5b6b876965b9f5586959171f334237588cc6b0f9643f580db2e959f82e451f4a3043a27e4a95cdd

    • C:\Users\Admin\AppData\Local\Temp\compile.vbs

      Filesize

      265B

      MD5

      ca906422a558f4bc9e471709f62ec1a9

      SHA1

      e3da070007fdeae52779964df6f71fcb697ffb06

      SHA256

      abf09cb96f4c04a1d2d2bfd7184da63dd79c2109b1a768ca5dae4265def39eee

      SHA512

      661d4b4130ba12281527db418f71b7213dab62931806e2bd48690cfaed65b8a2859e5b161eaa4152d5a18babb54d6c2203f4ef5e3a1153c468d67703fd79f66b

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

      Filesize

      107B

      MD5

      5cf0b95f68c3304427f858db1cdde895

      SHA1

      a0c5c3872307e9497f8868b9b8b956b9736a9cdf

      SHA256

      353de1200b65a2e89e84b32067a908103cca22ad2e51ba62c171eef3c25b73aa

      SHA512

      5c11c4ebcd4663d02ee3ffc19b7ec83b953dca7a7a1d2b63edaab72425a61e926ac940d99f2faa6b1baba0d28068e8f3ae64105990e0a0626ba02d8f979b455b

    • C:\Users\Admin\AppData\Local\Temp\hh.exe

      Filesize

      103KB

      MD5

      4d4c98eca32b14aeb074db34cd0881e4

      SHA1

      92f213d609bba05d41d6941652a88c44936663a4

      SHA256

      4182172a01bdfc08c5cf7e8652f7d9d81858345a770e2b6b507840e4c1c7764f

      SHA512

      959da8bbf6084e802ed366de8d240382b8a5ab2f18bc58881f42ecb7a8ed082d0e078b3ad18dbf90ac0a14cd491b5ac8b00cf1f0a266bdb7ebb8d95c5c71cacf

    • C:\Users\Admin\AppData\Local\Temp\snuvcdsm.exe

      Filesize

      391KB

      MD5

      053778713819beab3df309df472787cd

      SHA1

      99c7b5827df89b4fafc2b565abed97c58a3c65b8

      SHA256

      f999357a17e672e87fbed66d14ba2bebd6fb04e058a1aae0f0fdc49a797f58fe

      SHA512

      35a00001c718e36e956f49879e453f18f5d6c66bbc6a3e1aad6d5dd1109904539b173c3cad0009bc021d4513a67ae0003282f7d14b7aecaa20e59a22c6ad0ddb

    • C:\Users\Admin\AppData\Local\Temp\splwow64.exe

      Filesize

      49KB

      MD5

      0d8360781e488e250587a17fbefa646c

      SHA1

      29bc9b438efd70defa8fc45a6f8ee524143f6d04

      SHA256

      ebff7d07efda7245192ce6ecd7767578152b515b510c887ca2880a2566071f64

      SHA512

      940a98f282473c6f706783b41b72eccce88620e12db1f91be6425f087284746e6e10d4d9420b5e79e87ec3a2fd595b9fe301576e39a4db6bd3daa4aa93a9042e

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

      Filesize

      3KB

      MD5

      fc3c88c2080884d6c995d48e172fbc4f

      SHA1

      cb1dcc479ad2533f390786b0480f66296b847ad3

      SHA256

      1637ce704a463bd3c91a38aa02d1030107670f91ee3f0dd4fa13d07a77ba2664

      SHA512

      4807d3bd44a3197d1a9dcf709a1e70e1cf3bf71fe1a9fa1479441b598154c282a620208557a4415a34d23ceb4fd32dda41edbb940b46acb2f00c696648703bf1

    • C:\Users\Admin\AppData\Local\Temp\winhlp32.exe

      Filesize

      184KB

      MD5

      a776e68f497c996788b406a3dc5089eb

      SHA1

      45bf5e512752389fe71f20b64aa344f6ca0cad50

      SHA256

      071e26ddf5323dd9ed6671bcde89df73d78bac2336070e6cb9e3e4b93bde78d1

      SHA512

      02b1234ad37b768b9bcba74daf16e6b45b777f340dac0b64a85166fdd793955e3d7f88a95142b603b198e504ef1173618f840511bcdb70448f71aed19c009073

    • C:\Users\Admin\AppData\Local\Temp\xwizard.cfg

      Filesize

      1KB

      MD5

      ae8eed5a6b1470aec0e7fece8b0669ef

      SHA1

      ca0e896f90c38f3a8bc679ea14c808726d8ef730

      SHA256

      3f6ca2bc068c8436044daab867f8ff8f75060048b29882cb2ac9fdef1800df9e

      SHA512

      e79d04f4041edb867fd6bdf4485f78352292782d9405ba81888a1bc62f5039cc46c6cc786ba1fd53284baafa7128e0f875390cb573584ed2d03c3b33c7f93eb6

    • C:\Users\Admin\AppData\Local\Temp\xwizard.exe

      Filesize

      544KB

      MD5

      df991217f1cfadd9acfa56f878da5ee7

      SHA1

      0b03b34cfb2985a840db279778ca828e69813116

      SHA256

      deb1246347ce88e8cdd63a233a64bc2090b839f2d933a3097a2fd8fd913c4112

      SHA512

      175cde9e0def550f6380b4a9feb6845dfddbb641e2455d9d25dc6bfc7ffc08e654ea731946588961a5825dcc45c8b31972454a330fd97d7170f1991a8dac0316

    • memory/616-133-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/616-128-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/1656-0-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

      Filesize

      4KB

    • memory/1656-148-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/1656-11-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/1656-1-0x00000000011C0000-0x00000000014B0000-memory.dmp

      Filesize

      2.9MB

    • memory/1656-122-0x000007FEF5B73000-0x000007FEF5B74000-memory.dmp

      Filesize

      4KB

    • memory/1732-121-0x0000000000400000-0x000000000045B000-memory.dmp

      Filesize

      364KB

    • memory/2212-14-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/2212-127-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/2212-10-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/2212-12-0x000000001B3B0000-0x000000001B6F2000-memory.dmp

      Filesize

      3.3MB

    • memory/2212-13-0x0000000000440000-0x0000000000446000-memory.dmp

      Filesize

      24KB

    • memory/2212-48-0x0000000000B30000-0x0000000000B3C000-memory.dmp

      Filesize

      48KB

    • memory/2212-9-0x0000000000B50000-0x0000000000E2A000-memory.dmp

      Filesize

      2.9MB

    • memory/2212-15-0x000000001AF40000-0x000000001AFF0000-memory.dmp

      Filesize

      704KB

    • memory/2212-49-0x000000001A980000-0x000000001A99A000-memory.dmp

      Filesize

      104KB

    • memory/2212-50-0x000000001AFF0000-0x000000001B022000-memory.dmp

      Filesize

      200KB

    • memory/2212-51-0x000000001BEB0000-0x000000001BF52000-memory.dmp

      Filesize

      648KB

    • memory/2212-155-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB

    • memory/2212-47-0x00000000023C0000-0x00000000023F0000-memory.dmp

      Filesize

      192KB

    • memory/2212-181-0x000007FEF5B70000-0x000007FEF655C000-memory.dmp

      Filesize

      9.9MB