Overview

overview

10

Static

static

5

1cea8afb11...bf.exe

windows7-x64

10

1cea8afb11...bf.exe

windows10-2004-x64

1

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 21:25

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General

  • Target

    1cea8afb117415cfa8eec9d380e396bf.exe

  • Size

    512KB

  • MD5

    1cea8afb117415cfa8eec9d380e396bf

  • SHA1

    57372eff5ec7c50e9d121ab022bd87b9befc6cf9

  • SHA256

    fcfd1141b8e90da874f1c4b663f16167110e5365fc589d4f7aa46a4671abbe0f

  • SHA512

    05146dd8a4d0b5b32e794613e6ea8d7ae660f4ff9466559170b4d3d0e026d4bdc3be0cd5f589e0610d55bf1e8119160057f188f0c23bf3cf40cb14460f7e0d45

  • SSDEEP

    6144:1VY0W0sVVZ/dkq5BCoFaJ2i5Lf24C07N5OvSLTUF6pQxI6Upe2cBnTu19bcodj6y:1gDhdkq5BCoC5LfWSLTUQpr2Zu19Qm5F

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 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 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\1cea8afb117415cfa8eec9d380e396bf.exe
    "C:\Users\Admin\AppData\Local\Temp\1cea8afb117415cfa8eec9d380e396bf.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:2288
    • C:\Windows\SysWOW64\gcyuoowiee.exe
      gcyuoowiee.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:2756
      • C:\Windows\SysWOW64\hdskswop.exe
        C:\Windows\system32\hdskswop.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:2636
    • C:\Windows\SysWOW64\wwabyedyigpajna.exe
      wwabyedyigpajna.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2820
    • C:\Windows\SysWOW64\hdskswop.exe
      hdskswop.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\nblokifwdiahi.exe
      nblokifwdiahi.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:2428
    • 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:2592
      • C:\Windows\splwow64.exe
        C:\Windows\splwow64.exe 12288
        3⤵
          PID:1588

    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

      8d06cc80acb50a6ceb7aed466f971ad3

      SHA1

      3ff3ad91b7a93be64f7aac2a2d45f29a4447b254

      SHA256

      ba69856ee8634bc1ad65cbaa81dc1bf4888316bf5c631b963ba9f73c1970e1fd

      SHA512

      333c119f7f2a1136666d43fede7166963a075fbc0d25c5a2d4f0073c93ac1c34f6409609f691f4831bf1e435d8a60a3b29ed9a8e49b637100fc393c98f5f9d3d

      Download Submit

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

      512KB

      MD5

      19d7aef066200e081cb58bece81dcc0e

      SHA1

      2f4b47eb6f227f81a1c7571a19a4632271579284

      SHA256

      9b68a5c3dc8d2dd3a66e1f93fdfbc7087fe2e8624f35ca2758871ee25a57d7e9

      SHA512

      3ccecfda9c44e1e6765e071e7ebb7989ba96dce7d5c23c91889f97860c9951cff9df9df0177e64473cd87dd3b86dce1d5a49e33a13f1389b04ea5e849d58a633

      Download Submit

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

      20KB

      MD5

      698101c076624007e41b82b8fa9fdcc1

      SHA1

      ce33f195ec38fbe77f743805f22db6e8656aea73

      SHA256

      8731c1ad6cda080fb6608cf543b37a78ae6ff409cf03e37d873c7815c74d067d

      SHA512

      a56bf9eeaa16d0dd4914374be95dc7cdc92dec343a9bbe9497e9fd58f7afca7432b12ab1da3b80136504ad55c70d802b542ed0b8e1bdec03806d9c2ecf071d84

      Download Submit

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

      512KB

      MD5

      4dbde51f6e2b45cb575f1c84e33c5c5f

      SHA1

      9341ccaf0f52d766f96bf83b0fc67f3af9fc7457

      SHA256

      3dccf93c1b325d097c6797aa24d03370b09a2099598942348462a6f7ebd47623

      SHA512

      260b103498e25a99a4e5fc0f969900f780db7fbff356f727ebec01a9304b95d9d4276c5ad05739cef6c6528d22031b446cb660d8cbb727cad8d14d8559a4267e

      Download Submit

    • C:\Windows\mydoc.rtf
      Filesize

      223B

      MD5

      06604e5941c126e2e7be02c5cd9f62ec

      SHA1

      4eb9fdf8ff4e1e539236002bd363b82c8f8930e1

      SHA256

      85f2405d1f67021a3206faa26f6887932fea71aea070df3efb2902902e2d03e2

      SHA512

      803f5f2fddbf29fef34de184eb35c2311b7a694740983ca10b54ef252dd26cda4987458d2569f441c6dedc3478bea12b45bfd3566f1b256504a0869ad3829df7

      Download Submit

    • \Windows\SysWOW64\gcyuoowiee.exe
      Filesize

      512KB

      MD5

      50152144df9a480da952ecd45a0f7f33

      SHA1

      4289b38d1f612e4d95499947970c5b8d2e3b3338

      SHA256

      cb1096138ac44131a454be2ca6d12fdbc1262af68da761de503495e9d0dee7cf

      SHA512

      2348d2d3b0042b15618eaf32e7d40ee14be7474c47d5c88865f26c104ce562916f25174fde965da9c0a61889ddb224b4f9e8a84eb08240aa1573feaff95a1e8b

      Download Submit

    • \Windows\SysWOW64\hdskswop.exe
      Filesize

      512KB

      MD5

      d2985b03e04294a4e834faba0f4401cd

      SHA1

      5f9207f23d2d2ea09cefdf60a4eb0b1c9cbf42d8

      SHA256

      029e614ccb7df544c773c8968499b03e1a6a9a422a3e55a7a3d48bd298a21442

      SHA512

      55919494e8164246045bea1103cc7d9f0dfefb6242e882a89587ac11baf2c2548d3a0c626df82dcfcb1451f98f6eff8a1741192c325d7ac9bf0d8e8b77703b51

      Download Submit

    • \Windows\SysWOW64\nblokifwdiahi.exe
      Filesize

      512KB

      MD5

      90e74d608e21d58b55967af4ef1080ab

      SHA1

      f660868d656afbf4dfa536716c62618ff6a459f5

      SHA256

      4ef771a4f09b168b29e88b4b8017b394c9f77f8145e378a2a36af02b383d0c97

      SHA512

      4263aaab25af8664eb958f35e8e5ea429ceaf9da9b1d09c1721d78e7f19919709048b2f9c522d182f7cad8487636b2b707ca5c688bacc19803259680cfa15c29

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    • memory/2288-0-0x0000000000400000-0x0000000000496000-memory.dmp

      Filesize

      600KB

      Download

    • memory/2592-47-0x0000000070EFD000-0x0000000070F08000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2592-46-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download

    • memory/2592-45-0x000000002F701000-0x000000002F702000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2592-73-0x0000000070EFD000-0x0000000070F08000-memory.dmp

      Filesize

      44KB

      Download

    • memory/2592-94-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

      Download