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Overview

overview

10

Static

static

5

f6a4d02984...b0.exe

windows7-x64

10

f6a4d02984...b0.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    28/12/2023, 20:40

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General

  • Target

    f6a4d029848f1dbd3e65bb17bda6adb0.exe

  • Size

    512KB

  • MD5

    f6a4d029848f1dbd3e65bb17bda6adb0

  • SHA1

    9be29494c6831813e163df5d74b7418aad96883f

  • SHA256

    bf245168c48bdea701a7746daf24d2aa83432f36ef7b3cf7c5491b297b81ced0

  • SHA512

    85141fafdb6cb0b4ba15e93b3f0a8ded0c06e660be605c1481df8943007aa94eff40a289643a3d23ce621dde33a9838fcfbdbe1968d43ff30d4f33f8a6b875e5

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6n:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5Q

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 8 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\f6a4d029848f1dbd3e65bb17bda6adb0.exe
    "C:\Users\Admin\AppData\Local\Temp\f6a4d029848f1dbd3e65bb17bda6adb0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\Windows\SysWOW64\zgunobwxjk.exe
      zgunobwxjk.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:2780
      • C:\Windows\SysWOW64\aymdvgbl.exe
        C:\Windows\system32\aymdvgbl.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\cwsamuhhjwpcjqs.exe
      cwsamuhhjwpcjqs.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2692
    • C:\Windows\SysWOW64\aymdvgbl.exe
      aymdvgbl.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:2344
    • C:\Windows\SysWOW64\ozkfgqlzxkwyx.exe
      ozkfgqlzxkwyx.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2828
    • 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:3004
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1524

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

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

      512KB

      MD5

      a44e030048440d5336337db7a8e95f7b

      SHA1

      de06c7684663a0663a4aff5e4e4ef647758967c4

      SHA256

      a15748195ea1598f426a40e58be626581d26765c8dced2d3002393bbb0a78b43

      SHA512

      cfd1796dae55022484df3148dac5540cf7659d80902706a4dbaa2d5677386c61fd7363640f28000a1bd41ea80117bdc47a5a639a49a45c0e89fb2cc867ba9b1d

      Download Submit

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

      512KB

      MD5

      c76c248be5aed982f555f8039596ef1f

      SHA1

      e2e96813de2c5eebc6549b6b62a1c3b950661b04

      SHA256

      00536bf477834ee7f5cca887782a5c049ae61047e65235122428d79a3852f378

      SHA512

      3577be4a4d5c95cb699519be45bb5447255c97be448eca0c525abbbb291600bfea41ef9383775cc9ea7df07e82c087757e3a2a35c016079a991d14e73fe23fc0

      Download Submit

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

      8KB

      MD5

      510c29cf8879e8e2507c98d40e5233f6

      SHA1

      ece871c9c719198dba309e12eb6c47caac470748

      SHA256

      28d07b17bd992f7aaa748729364369147e8ba81b00751a228f938451bd71c905

      SHA512

      14dc12d474a0bbe3db319e9e293e5565b4ebd5e523183cdd9e92bc27ece8da35d49d408b9984e609cb19a310357c4bb56792297f64e3555b1b00066a9aeb549d

      Download Submit

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

      512KB

      MD5

      a070b0632b0b7c1800963fe23251e895

      SHA1

      ac05924790b8d0d8573564ddb86735b0ad63bba7

      SHA256

      5049101b4360d1c16d2fa44fd1abb7301eeba5e9e671736b38721fbe4ddb0804

      SHA512

      af6110e93a3e9675360824d08a6dac942bbf054024ae20125e2b5cc79a5935366044f5ffd649137c11403875bc7f7bfc480e90d33c71c6fa0c4d53dfde1bd6cf

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\aymdvgbl.exe
      Filesize

      256KB

      MD5

      a6912481eb039ab8ce8e65eefa5ac57b

      SHA1

      5859f27fff5ebd524ebd24615ab41f86fba46f02

      SHA256

      660f3560eeba127d97ee2570ed1c2dacd357f42f6136589ecedd2aa3004dccb4

      SHA512

      8f3bd0fa20db122cacaaeb9cba2d755db7a1d51371da190ea9337429d514ebde3336cd55f2db82358e06fe8f7906f50cb1799cb494875e3e38f478640697db40

      Download Submit

    • \Windows\SysWOW64\ozkfgqlzxkwyx.exe
      Filesize

      512KB

      MD5

      9c3b786cc572a6a106f6c6c734316638

      SHA1

      fae30656dbec75a8051ae43d426c4cdb2fae3c87

      SHA256

      fc37bafc3c630e1919368d5e3ae417ca9c32cf821c39b3e5ebb8ee9fb57b60db

      SHA512

      2a215ebf8d6793ac713c2fa30db15cca744fc6dda1428ad060b07a2a01b8c460e34ce1a6a21e56fc65512d410ee9d840f12162d860c503ca97db88df33fdacfb

      Download Submit

    • \Windows\SysWOW64\zgunobwxjk.exe
      Filesize

      512KB

      MD5

      ca1d0c373be6ecc83d99667bdb03285f

      SHA1

      23ea19609edddac9dacfdd8bc6483f536915527b

      SHA256

      b11a56bd309f50a35c0ef84a2c586f7834de22dd8744b622e1105b953229f013

      SHA512

      aa8baef62dd6a8ced0610e2b8ea03b80b96ddb24a92b6d10e51e379aed254abb05c42d7380dcd82552bee8560780d21b1fc8188ac934eee40df85b38e0b83ccc

      Download Submit

    • memory/2084-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/3004-45-0x000000002FF41000-0x000000002FF42000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3004-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/3004-47-0x00000000714ED000-0x00000000714F8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3004-76-0x00000000714ED000-0x00000000714F8000-memory.dmp

      Filesize

      44KB

      Download

    • memory/3004-97-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download