Overview

overview

10

Static

static

5

6598101b43...af.exe

windows7-x64

10

6598101b43...af.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    18/01/2024, 17:20

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General

  • Target

    6598101b433c5557be6c2226a1df29af.exe

  • Size

    512KB

  • MD5

    6598101b433c5557be6c2226a1df29af

  • SHA1

    f359e8a5dff641ac74aab026947dc7f48e3cabdc

  • SHA256

    02ac4db0e6c3150abdd27d71e7a5cd4ba3b2e75eeceb0bd9f6410616e1a44861

  • SHA512

    83d6601059110c199fadd51b6cc44009fa1534fe35c2e5cdc7be88464ea0465fcd8c5faf24b3d7c9a5145d38bc140a585fc586ea70cb243a12ec63404b5ae337

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj69:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5c

Score
10/10
evasionpersistencespywarestealertrojan

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Disables RegEdit via registry modification 1 IoCs
    evasion
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 5 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Windows security modification 2 TTPs 6 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies WinLogon 2 TTPs 2 IoCs
    persistence
  • AutoIT Executable 10 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 14 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of FindShellTrayWindow 18 IoCs
  • Suspicious use of SendNotifyMessage 18 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6598101b433c5557be6c2226a1df29af.exe
    "C:\Users\Admin\AppData\Local\Temp\6598101b433c5557be6c2226a1df29af.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\SysWOW64\dprjibsdcn.exe
      dprjibsdcn.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Executes dropped EXE
      • Loads dropped DLL
      • Windows security modification
      • Enumerates connected drives
      • Modifies WinLogon
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2804
      • C:\Windows\SysWOW64\dyizaqii.exe
        C:\Windows\system32\dyizaqii.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:2560
    • C:\Windows\SysWOW64\efwrydnqakkqfve.exe
      efwrydnqakkqfve.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2716
    • C:\Windows\SysWOW64\dyizaqii.exe
      dyizaqii.exe
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2696
    • C:\Windows\SysWOW64\ufaofkoutbdvr.exe
      ufaofkoutbdvr.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2848
    • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
      "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Windows\mydoc.rtf"
      2⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2640
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1072

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files (x86)\Microsoft Office\Office14\1033\PROTTPLV.DOC.exe
            Filesize

            512KB

            MD5

            d12a1c2bdb196eeaf67430516f2f3eae

            SHA1

            f29c9db9f691ed8f8060903fe0b858f3c62d21e7

            SHA256

            2d4447cb3839c41f58f69d7c7f425009476b92427b1a33498b555c5a65093b19

            SHA512

            aeb754045dbbea4c44e002082920a8330b697292527daae027db008aa84b719824937bc2ad3797436b20f5610c4e00212135241163af721650201efe555786d4

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          • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm
            Filesize

            20KB

            MD5

            be75a0363b5280a708375f1c35b1cb22

            SHA1

            3169db1a94cdcf96cd1f16c72e286aad15b8b4db

            SHA256

            42e6232171af9cdbb3d00714e552fb8c91d0587655db1da1b049ae490c0840a3

            SHA512

            fd72fad846858065beb09f56fb3e4ffb67611ac0d9a5f5eefd7243ca4e41e776569dd9112d32a640a4608a59a33fa7eb82073d8b00aa6b3dfa65e4bd4bfcb63b

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          • C:\Users\Admin\Desktop\ProtectTest.doc.exe
            Filesize

            512KB

            MD5

            7703f76c80b73fab1d33ec62ee7ae8b3

            SHA1

            cc844c39e6c3d395bd28e7eee39340cd8740f1bd

            SHA256

            495c4867e88e743cf70467ffdc87f9dc750ceb9f34cc3e2b2ed6414c6ae51b09

            SHA512

            a3fa831e1e5dc97c024077a9a5834c112a55c5b56aaa35a4af50de460e73f205fa70b0c6fc8a0d73f83433ddfe6db85395ce21c66ab52f48810b75dff7125eb9

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          • C:\Windows\SysWOW64\dyizaqii.exe
            Filesize

            45KB

            MD5

            e8d0a210a7de9cb675e1378280b0b6de

            SHA1

            c2ab939a2766a03bf6c24459cd935c2d580f220d

            SHA256

            c7c4be5ef5432feb35d5b82dadc75a8e6292be3f6630a23c22c1b66957344d0b

            SHA512

            e3aed655216ba65313dfc649215cb55b215aa5a3bccb14598d335ada70f6b0d02cc0133b02e755ae53f6e3983c19366dda6364ca91976fb07def3f5eaeb54fb5

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          • C:\Windows\SysWOW64\efwrydnqakkqfve.exe
            Filesize

            192KB

            MD5

            110f40dbeb901f612cee1dc242fdb309

            SHA1

            0d668d172ef81b3f17c1f870513988629c697600

            SHA256

            2776ac73ff5e792a5a804395643f25e611d6eb66037ffd261caacd95ae084b82

            SHA512

            076fda5dfa04f3c443f91657f607ef768185b7753767eb70d557635d398a76f85c8b3c19c7d864f9c342ced1af18c9c98f6f4da4b7bb86dca104230fa71b6df1

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          • C:\Windows\SysWOW64\efwrydnqakkqfve.exe
            Filesize

            47KB

            MD5

            05a476eaabe5ec4411eaa763cdd0ac15

            SHA1

            1437baacf6f719659467c6815da9cca0cd32d1a5

            SHA256

            8ac5c46bda1eeb1102959725bba6889520cbbd2997eb60f69e459a02d4858a52

            SHA512

            7cf9bb9534d27916a3978c72c5d750b051d32cb495baff15071998b9966e389d86aa101f85630fa670a41499cd4a983ebe52fc5a8c7b09700ec79e44e76aafc7

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          • C:\Windows\SysWOW64\efwrydnqakkqfve.exe
            Filesize

            512KB

            MD5

            27dd26a7fb20a3f890de2d9c77a5e28a

            SHA1

            c9f2f037bcbfe315a09cabbcc244d1ecf63a2bfd

            SHA256

            1c54c78304362b134e2ed38a4a4fd5cac4678e37684d26ef88eba21389601039

            SHA512

            82d625190de8fb71ade0086243acca787f2468bb97b643d5cb85c650a963bee240dfebc07725f536ef1d1787ba972c24e380dd77a6a2274de9f7bb848c7007a8

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          • C:\Windows\mydoc.rtf
            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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          • \Windows\SysWOW64\dprjibsdcn.exe
            Filesize

            512KB

            MD5

            4ef6b9a41eb9f415957267a7da2d8144

            SHA1

            0d500f0bc93f34b92d976d6cce05f411fb8c103d

            SHA256

            8928e604ddd8ba32708a3bb2528ac5c044cb1c25e2824096dc8164712cff8b4b

            SHA512

            42af8bd0b87509d07dc1e966c9853b0af724b259348d54857373c60511d897a1aaca450932413f861edf64764fe2d53bee91b0ac08d454e1e94bafbdfaf7430b

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          • \Windows\SysWOW64\dyizaqii.exe
            Filesize

            512KB

            MD5

            cc8f0952619940cb04f3a8816034c4e8

            SHA1

            b646e9966013f67047b34587fe2e6b8b2079a54e

            SHA256

            12d2adc5bc62fd2c23020597a54eaa1067d8213c4f8c9cff8a250efd4742a180

            SHA512

            d2853c7119171d201f825fc81c1cfdfc2180f8708c74297ced671d46009a438f773207de1990bda986daec45f9cd9f7cfd3ed17050aa0f2d7d613bc664d01419

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          • \Windows\SysWOW64\ufaofkoutbdvr.exe
            Filesize

            512KB

            MD5

            57a667ce5f8da7686e6044baac471089

            SHA1

            182b1b6469508a3606e58328a42dfcadc3ee71e9

            SHA256

            fde9ae292f22e6340eef301a8a40643a7da54664773603858318ecf81df17d51

            SHA512

            1e36cb7ab2e480d77cad0c9ca7307977bb0a99779deabadd63929c04e3172cc372c626b579303b4ba661acf49c63a2f7a10c5ed9eea7d58194a825d838bddecb

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          • memory/2480-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download

          • memory/2640-45-0x000000002F431000-0x000000002F432000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2640-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2640-47-0x000000007123D000-0x0000000071248000-memory.dmp

            Filesize

            44KB

            Download

          • memory/2640-80-0x000000007123D000-0x0000000071248000-memory.dmp

            Filesize

            44KB

            Download

          • memory/2640-101-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download