Overview

overview

10

Static

static

5

f653a314f6...2c.exe

windows7-x64

10

f653a314f6...2c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-12-2023 20:35

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General

  • Target

    f653a314f6a38ab4ff54c8ca3217f92c.exe

  • Size

    512KB

  • MD5

    f653a314f6a38ab4ff54c8ca3217f92c

  • SHA1

    52f161a0f710bb5e890b9fe0e64c197cc32b9582

  • SHA256

    326d41d2cd63772b75427dd73a3e0ae16688685d3b9ac5445d955f537d9c1623

  • SHA512

    6059b5dcbae633ab1b13eaad4b998ecff540f3523bfc554c757688db723260507b9a058416fe36179f2c833939df4d9904c325946a78e7af81eacfaf224812b4

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj60:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5/

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
  • Modifies Installed Components in the registry 2 TTPs 1 IoCs
    persistence
  • 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 7 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 4 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 AdjustPrivilegeToken 12 IoCs
  • Suspicious use of FindShellTrayWindow 47 IoCs
  • Suspicious use of SendNotifyMessage 34 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\f653a314f6a38ab4ff54c8ca3217f92c.exe
    "C:\Users\Admin\AppData\Local\Temp\f653a314f6a38ab4ff54c8ca3217f92c.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:2936
    • C:\Windows\SysWOW64\elvjavrkfm.exe
      elvjavrkfm.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:2908
      • C:\Windows\SysWOW64\lrhvqebk.exe
        C:\Windows\system32\lrhvqebk.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2680
    • C:\Windows\SysWOW64\xcgrjnqvpskjbfb.exe
      xcgrjnqvpskjbfb.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2840
    • C:\Windows\SysWOW64\lrhvqebk.exe
      lrhvqebk.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:2560
    • 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
      PID:2568
    • C:\Windows\SysWOW64\iqwyylhycmyyp.exe
      iqwyylhycmyyp.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2664
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2212

Network

MITRE ATT&CK Enterprise v15

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Downloads

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

    512KB

    MD5

    da290ebb94d8149974431806b5b6a8b0

    SHA1

    a140abea3b3f58506fec0fbc4f1ad2e53e213d31

    SHA256

    4117a6b79af1b4c1889471d6536323cdc376d0b3554fe22a965671651c8b389e

    SHA512

    3d46fab8bb2fe5d2805f4d12ffa352af152892f5c57fa34e6930a66e4ad9cd5887ebf96f3ffbde907e8b119d3b58273108df2acf4f05b4ff82085015c3d1d3a2

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

    512KB

    MD5

    787ae600b7cee5255bd1075c3b31a4e4

    SHA1

    00099e2b5841df150b4297da62e08fd7ef0243b1

    SHA256

    e3cda58fd105cd6838bab8b9201f4ee0a25671a5a11bc03f5cdb3e1a7593e242

    SHA512

    68abb96c3e2f794c1911137b0e644f81aed4de107fad98b4454f6d006cd787791c5c7ea6413258c941ebb4b4c9ca8338e5823a683aee374115c53e577dcaa72f

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

    512KB

    MD5

    bdbc4c483c51bde13af49ae7e01ab7ee

    SHA1

    92d30a20b325c6c999ce6bec60523155e90a8f25

    SHA256

    6d8b310ae53fb23fd9681efdce8c4769982f7f50d0e72f649a9beeee0c77503b

    SHA512

    db99e93f159cbfb7f46984fad2f1c81cb4cade76c9018a64e21fa7e1b562dbfb83173692ad0cdbbdef16427706b34f049ee098d17ff3fe934bceab2c889d6a15

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

    512KB

    MD5

    34e47823953ac0f25efcd9014dc9c65f

    SHA1

    28f3f77ab224e877605689788181be8908981dc3

    SHA256

    77bdcd2e942b9bd457d531abd49d3cbd9f2ce50f5effb9db2b6c1e1148917472

    SHA512

    f0d55ffcba538c0a7ff458a141c1ea532676fb71c9accca17f6523ec60f1742bcd526b44f5c7b71ceb4e3ddf4259ea0e22b5b1999257081b1cefa3ed55823679

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

    512KB

    MD5

    bc8adf963d6daa9055fd2f0ba87a7659

    SHA1

    bc0748a537406d6205c3eafa682629cf011993fc

    SHA256

    05da25fc6e50d9ce73ec4bfa82bd54514be737915e3fe7daa6d0fb54780d82ac

    SHA512

    09c2fbc07f5e15d34d5199f6ac8aab60a16f76cda575760874473d6f8fce7154a595b0e717f713911f7488153c251df8f7e394db962e9fbc62fd1c0c90b10f71

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

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  • \Windows\SysWOW64\elvjavrkfm.exe
    Filesize

    512KB

    MD5

    92509bb06efd1f011246f2bb38268655

    SHA1

    c4057ca8c6d2f7243d645016b7ec921b49b3189b

    SHA256

    514779011c76ee8bd670d2c9908b3cdc797509ee15521a45ccc51f48413a8a7e

    SHA512

    913c07a9ac9895176bc6b8299777b55ada93a616e3b83139c8560766ea654da81448ca3cb18e93d72730f05716175f849c5868669f296ca2d1bd4de1a89b9345

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  • memory/2212-77-0x0000000004190000-0x0000000004191000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2212-79-0x0000000004190000-0x0000000004191000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2212-85-0x0000000003D70000-0x0000000003D80000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2568-45-0x000000002F511000-0x000000002F512000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2568-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2568-47-0x000000007196D000-0x0000000071978000-memory.dmp

    Filesize

    44KB

    Download

  • memory/2568-78-0x000000007196D000-0x0000000071978000-memory.dmp

    Filesize

    44KB

    Download

  • memory/2936-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download