Overview

overview

10

Static

static

5

9979990796...cf.exe

windows7-x64

10

9979990796...cf.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    153s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    13/02/2024, 12:55

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target

    9979990796f726c6b774050e751de9cf.exe

  • Size

    512KB

  • MD5

    9979990796f726c6b774050e751de9cf

  • SHA1

    e966489ecbf81a37ec929d03808cb4626ab30ca3

  • SHA256

    903f8b9955f71d8ddd20873a85fef3e7e9433c32ba6acea02e4035d33c6c2caf

  • SHA512

    b0a0fc6c06fac4901eb130cbca91dc8b679b92f32a6368447710ec983f494613c2c9becb932c90500bdf1fbc4549d8502218e62680a005abdaf2c652562d9949

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj63:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5w

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 46 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 5 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 9 IoCs
  • Drops file in Program Files directory 8 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 15 IoCs
  • Suspicious use of SendNotifyMessage 15 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9979990796f726c6b774050e751de9cf.exe
    "C:\Users\Admin\AppData\Local\Temp\9979990796f726c6b774050e751de9cf.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:2172
    • C:\Windows\SysWOW64\oczwmbxisn.exe
      oczwmbxisn.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:2684
      • C:\Windows\SysWOW64\wrtkwenr.exe
        C:\Windows\system32\wrtkwenr.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:2596
    • C:\Windows\SysWOW64\ddesgpgjbghixeu.exe
      ddesgpgjbghixeu.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2856
    • C:\Windows\SysWOW64\wrtkwenr.exe
      wrtkwenr.exe
      2⤵
      • Executes dropped EXE
      PID:3004
    • C:\Windows\SysWOW64\vnnwuzwntmqkp.exe
      vnnwuzwntmqkp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2824
    • 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:2588
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:692

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

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

            20KB

            MD5

            6b9cacc0055941a83fe38363dadc3fcb

            SHA1

            b9b4203f7f842c1f693d36865a9d652ca14b0546

            SHA256

            5aff75970dbaeda317778f9db1dd9c2fc91a55ae8c61207b86456dda6a9c2dd4

            SHA512

            d3c22fbb3362083e430faeb032c8f8b343d12daf4fa9f0d8e7f08fe265732de38ee35e2c402355e5ee131577d1d1e4184389e6c01a1c0895260ea8d4f14577eb

            Download Submit

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

            512KB

            MD5

            cdd79ece8b7a2bbc1b93c9c7b4320aac

            SHA1

            c96e524348e5f55e08bf3efcffc121516072e34e

            SHA256

            9f64b6df96f037909b51975601686218574b89e8644fa0794055f29702d6bbea

            SHA512

            569f461fa1ad97907d80a9d1fbc77a7f671f17e4612a3f91abfc35e5bcb9218d6455aff20082a219c900a56ab0b2937ba0ff23cced499ca194b295fb21271914

            Download Submit

          • C:\Windows\mydoc.rtf
            Filesize

            223B

            MD5

            06604e5941c126e2e7be02c5cd9f62ec

            SHA1

            4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

            SHA256

            85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

            SHA512

            803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

            Download Submit

          • \Windows\SysWOW64\oczwmbxisn.exe
            Filesize

            512KB

            MD5

            9f80c9e0ca0544a782eca6333e163782

            SHA1

            a5db08dcb5744a6f1836f7fc293de0f6c674b5a7

            SHA256

            4a56b8f93a5ef565abce0b7fbff97049fd4616995dee65eb0aaad380c2377666

            SHA512

            116a6369f5a6bbc02a9e6097991c5fe0f08da90d4c2e181507d9b949d7e85868b7332817e6f84cd5e43f318c865aba6a42101e06361f040e43548296f19a2182

            Download Submit

          • \Windows\SysWOW64\vnnwuzwntmqkp.exe
            Filesize

            512KB

            MD5

            c80964cab07f23a5cdb020842e772612

            SHA1

            aea65b332e8fc6394e3d4b2a3f806460e54eeb4b

            SHA256

            6dcda95b243905c79e3ca0c63931de5e5cad6cfdb5879e525afd170c551cdf0e

            SHA512

            e1c80d63a1163358df967192c9914ce8f72dfae7d3aa8fc3eed2eaa1628534aa92f999b0bada000647f2182f2de3752ab5d63913cc110c64bd8a7400e6b2f8be

            Download Submit

          • \Windows\SysWOW64\wrtkwenr.exe
            Filesize

            512KB

            MD5

            b53fabad0ffbf401b101ed84f3107321

            SHA1

            b31f3d77083477aa4f37dbd4e36db3ce32afd8e2

            SHA256

            4869011163f07ec1a7b5eb755f12ac47705a7a1dcdf3b3d6573bbaa2f0aae0a6

            SHA512

            cfda12573c1c85f40ded2c48bc9212951fc7535714c0fcb393fa7efb7c98f353ef1e56cd0061d43d4f2c40173a6defb164c0b311aa6d517024c09b1b3250ed93

            Download Submit

          • memory/2172-0-0x0000000000400000-0x0000000000496000-memory.dmp

            Filesize

            600KB

            Download

          • memory/2588-45-0x000000002FF31000-0x000000002FF32000-memory.dmp

            Filesize

            4KB

            Download

          • memory/2588-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download

          • memory/2588-47-0x000000007120D000-0x0000000071218000-memory.dmp

            Filesize

            44KB

            Download

          • memory/2588-74-0x000000007120D000-0x0000000071218000-memory.dmp

            Filesize

            44KB

            Download

          • memory/2588-95-0x000000005FFF0000-0x0000000060000000-memory.dmp

            Filesize

            64KB

            Download