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Overview

overview

10

Static

static

5

804c591d6f...16.exe

windows7-x64

10

804c591d6f...16.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    29/01/2024, 16:23

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General

  • Target

    804c591d6ff5b6254b2830e7095c5616.exe

  • Size

    512KB

  • MD5

    804c591d6ff5b6254b2830e7095c5616

  • SHA1

    1eeffa7793c6d11fcb824a840122cacdca0011d6

  • SHA256

    f4c7db55a97184b0ab799d8f447197c89d152806effc4ac8d3d23fe559cbc402

  • SHA512

    88c5e7ec2bef58aaa1750ebd74e71e860550da6f0e39c3ba3da0bc88ea59b623ecaf0e03f0a942758679918f58453749c8f6e0c14817f6210809a87c8889f70a

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6+:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5N

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 behavior: GetForegroundWindowSpam 1 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\804c591d6ff5b6254b2830e7095c5616.exe
    "C:\Users\Admin\AppData\Local\Temp\804c591d6ff5b6254b2830e7095c5616.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:2292
    • C:\Windows\SysWOW64\ceuozvjjvt.exe
      ceuozvjjvt.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:2768
      • C:\Windows\SysWOW64\pxcieuhc.exe
        C:\Windows\system32\pxcieuhc.exe
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        PID:2580
    • C:\Windows\SysWOW64\uxygyynguabxokb.exe
      uxygyynguabxokb.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2760
    • C:\Windows\SysWOW64\pxcieuhc.exe
      pxcieuhc.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:2832
    • C:\Windows\SysWOW64\jarzbhjfmsian.exe
      jarzbhjfmsian.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2808
    • 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:2604
  • C:\Windows\explorer.exe
    explorer.exe
    1⤵
    • Modifies Installed Components in the registry
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2648

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

    d857e6cdccf645b75bb08e6d0bc3d808

    SHA1

    1f6c865e00e89aaaf691ce3caf8ba4307b8f5538

    SHA256

    d4b4e62b23ee6649a1bdb6c87a631606b3a614dd3b0485e9592cda1c9d063f52

    SHA512

    378dd0df647187db19b86708fa3d129c69a54e26963b46ab5f8936a3855626ac6cf978faebf95605816133030d252b786052e7181ba13575b21957d56f5414e0

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

    512KB

    MD5

    81915d00849bb628247d209da0ae2821

    SHA1

    831f691886adbce50da7b0da79b0694d5e075998

    SHA256

    b7d101886cb80a456e276c01dfaafc57660da68c82cebbfc90545f9b1a861232

    SHA512

    ce3f583ef651765329c6751bd64c7d004bfdd71ca8e487ad21b94e375b3b5c46328319879bb1bc49aab684edd9a6f3d5443dc3cce85c722b98c9299b2274d21a

    Download Submit

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

    512KB

    MD5

    a61e2e5e5f3591edb59c722ad9ee052d

    SHA1

    c397dcd292958952a1ce203c57cdfec6db003c01

    SHA256

    9dfaecb1ef46f376ccaa926ecd9c1883cbe490c23f3be528396ed5f388def510

    SHA512

    eec8780743395f571bfb0d7b6c1e71ad890b2d22cb4fff11ce4a460a2923d7e89e6b99eb98891e5c74653f63e0dd0b32a3ed458ed3f81001ee088b645487c82f

    Download Submit

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

    512KB

    MD5

    fcf125a22fc8aff63e07e87cb2dddaba

    SHA1

    62524dd62155bf7a75a93c7e0acdfee5f8d4b975

    SHA256

    9dc763d6d7b50c7fe34a388510373c2a231a1caddadcebc5569ba59c4cc815e4

    SHA512

    3442f0fbe6b30d095c32e0e9469a1cc96c8aea786f1818c4fe79c2aa029db58f599f4cb193f9d010a570231226b59036dcaceafa2d94ce343019ceef3aca91dd

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

    512KB

    MD5

    9c21741882498b251be6068641a905af

    SHA1

    e6431d49400f8636e358b5d6c69d058aee913f49

    SHA256

    da5f6f622f626e9d4dc040d5d28d93816d095b3c1da8413d8e49ddb6a23e4683

    SHA512

    f732bbf22728278dce6d379d9bae951d4470903ee6f25ed80718e1f112ffdbd33e78be18a27813b4638b6e8204a5afd54f813a12a786c9c0d3ad1aef58c03060

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  • C:\Windows\mydoc.rtf
    Filesize

    223B

    MD5

    06604e5941c126e2e7be02c5cd9f62ec

    SHA1

    4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

    SHA256

    85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

    SHA512

    803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

    Download Submit

  • \Windows\SysWOW64\ceuozvjjvt.exe
    Filesize

    512KB

    MD5

    bb61567a9070adc596ce21b407ac097f

    SHA1

    4d65c8110d1890db7bd26cf9c7f9187e4de022b5

    SHA256

    f4c73abdbeded1601bd143da73d425fb6d38835aff362989de198174cf5f7a61

    SHA512

    95dd0a98e44c3cccb352e700bf4799f893640402988d8b9c24dbb150685f3b1f7bc880b23f3ca7582f523e82b7c4cf4aff8d1aee62123a96ae0dae7a3c922a6c

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  • memory/2292-0-0x0000000000400000-0x0000000000496000-memory.dmp

    Filesize

    600KB

    Download

  • memory/2604-45-0x000000002FEF1000-0x000000002FEF2000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2604-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

    Filesize

    64KB

    Download

  • memory/2604-47-0x0000000070EFD000-0x0000000070F08000-memory.dmp

    Filesize

    44KB

    Download

  • memory/2604-78-0x0000000070EFD000-0x0000000070F08000-memory.dmp

    Filesize

    44KB

    Download

  • memory/2648-77-0x0000000004230000-0x0000000004231000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2648-80-0x0000000004230000-0x0000000004231000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2648-85-0x0000000002730000-0x0000000002740000-memory.dmp

    Filesize

    64KB

    Download