Overview

overview

7

Static

static

3

2fc040143f...5c.exe

windows7-x64

7

2fc040143f...5c.exe

windows10-2004-x64

7

$PLUGINSDI...RL.dll

windows7-x64

3

$PLUGINSDI...RL.dll

windows10-2004-x64

3

$PLUGINSDIR/EULA.rtf

windows7-x64

4

$PLUGINSDIR/EULA.rtf

windows10-2004-x64

1

$PLUGINSDI...ns.dll

windows7-x64

3

$PLUGINSDI...ns.dll

windows10-2004-x64

3

$PLUGINSDI...dl.dll

windows7-x64

3

$PLUGINSDI...dl.dll

windows10-2004-x64

3

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDI...LL.dll

windows7-x64

3

$PLUGINSDI...LL.dll

windows10-2004-x64

3

$PLUGINSDIR/inetc.dll

windows7-x64

3

$PLUGINSDIR/inetc.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows7-x64

3

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

$PLUGINSDIR/xml.dll

windows7-x64

3

$PLUGINSDIR/xml.dll

windows10-2004-x64

3

$TEMP/scen...er.exe

windows7-x64

7

$TEMP/scen...er.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 19:31

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General

  • Target

    $TEMP/scenic-surfsup-screensaver.exe

  • Size

    1.5MB

  • MD5

    4aa39620ed7d3069a6642d3cea044c7c

  • SHA1

    ce278c857e39c8df0374f4d75aee707c2a272294

  • SHA256

    90f339fe11994eaea3c3e8d83c83240ea0357b257852b17007c008322ec4c2d1

  • SHA512

    8781282699293330d79b017c29e7bdaa5614974376bd6d5b1dd0c126e55ff16a6268e32d3549b12813b0c61b77e6a14246eef6f5cf4d98c68ba418f0e8f4cf51

  • SSDEEP

    49152:xyYQZuTWblogtmDRaCh2liWoWu8DBGOYcQ6N1:xyYQnGWgRKUCJYGN1

Score
7/10
discovery

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies Control Panel 5 IoCs
    evasion
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\$TEMP\scenic-surfsup-screensaver.exe
    "C:\Users\Admin\AppData\Local\Temp\$TEMP\scenic-surfsup-screensaver.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2480
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\System32\rundll32.exe" desk.cpl,InstallScreenSaver C:\Windows\Scenic- Surf's up.scr
      2⤵
      • System Location Discovery: System Language Discovery
      • Modifies Control Panel
      • Suspicious use of WriteProcessMemory
      PID:1772
      • C:\Windows\Scenic- Surf's up.scr
        "C:\Windows\Scenic- Surf's up.scr" /p 328330
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious use of SetWindowsHookEx
        PID:3516

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\Custom.theme
    Filesize

    1KB

    MD5

    ad3fccf15709cf647bf96fac34496b31

    SHA1

    6a6de954c54bd23c89dd74af31e6b61d8b1d0646

    SHA256

    ecfd2cd5c912cc216758c94a380dfd15a07f7fc36c1014f77a1d08944d50b532

    SHA512

    94308f637e71fb9a5b6d66eeaaffe87bc011a1810f8a8877145fa2818db2f7c02d8c2715064e8f94bfe78984930b611537638ac3b283b9111431f40cfa49fa53

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  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\Custom.theme
    Filesize

    1KB

    MD5

    3299a47b8d9001cd17a47c955a6fe394

    SHA1

    8367ebdd29608b4f02d2a1ee26aee8e6d43a74a2

    SHA256

    2cfad57e26924c0825cb98cc8c94178eb10d2777996cd8179a20913af236a6e3

    SHA512

    cdaca22c9f9bc4cf61bf75155286b53cae1fadb20b6143bc3b7c4c34501a6a99bed08a577d6e58cce7ef34c09f445f52e4b4f8abc6f4e0925399c430844c270c

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  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Themes\Custom.theme
    Filesize

    1KB

    MD5

    ec41df3e96b477134842c7e12ce088a7

    SHA1

    4d2da577b4c4c903ceeea5c103b61b92a70ce047

    SHA256

    eec99534d365f50b2b1a8645b6f672d554e2df99b78c0be933870d76a5fb981e

    SHA512

    a27c0d777b2170dd84cebf96c6e1d2bbe0223f9147f54488dec2933e0a3c19226e19ffd340e649dd16d2445e3d9114e8dde9e29d41aa81718317afcd20615dee

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  • C:\Users\Admin\AppData\Local\Temp\flash8.ocx
    Filesize

    1.4MB

    MD5

    900373c059c2b51ca91bf110dbdecb33

    SHA1

    102b086d6054c2cea813ef316ce24440c458762b

    SHA256

    31453fd8f743c19e27f8fa04ee88dfebe95a7884cdfbc15ab0eb8994829aad61

    SHA512

    b17d68cd1e4f1c2fcc7f07de657af144302d4a0cb7b6a0d6bbed4fcd39227481abae73df2d59bf13a31a47b2b6aba820182881b43e638aa00da75ba6b94adbfe

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  • C:\Users\Admin\AppData\Local\Temp\instcfg.ini
    Filesize

    299B

    MD5

    562636dfd2d2370b7118bcd319a52a89

    SHA1

    43dd6f0fd2e954825822bf3c9d9720d077f74305

    SHA256

    24314bb42b61cd13a361bee6124b91e0b50de068a4a52b257021f4ccc7315167

    SHA512

    f511f0d992dd13560afd3696e7a28acd1209d2a98b73014c955d6fad120d9808ef3b668767087dea3b3078b5dc348a3714c72358da25a43662005a2eef5aa9c4

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  • C:\Users\Admin\AppData\Local\scrcfg.ini
    Filesize

    758B

    MD5

    daf6b156b11ebb26f93863b6d028ca60

    SHA1

    018d497a359faa2530c8bfd2722fa81fb2542479

    SHA256

    e0d408cf5e323f6cb4444e720ef771558f32e39eda89c4c0bce1909452a14583

    SHA512

    7adeb4d2a503af225b290e47db0bc41161014878543c02f7937fb26fc403076b0a6e1c9c5cbb21479ce21f5e6a74c4171f4fd776a50184db4ed988f962b4795f

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  • C:\Windows\Scenic- Surf's up.scr
    Filesize

    685KB

    MD5

    5802762f6362858663b9e03d2063977c

    SHA1

    1763d4dfca330ea797af4a23468cc1dc39a438fb

    SHA256

    1e2ab892be751758e257517ad75fb25db658cac0898a02b1878deccaaa62a026

    SHA512

    bb799802d341c92a8d910497265d7e7c77e867e2478ccc0a18543ec5834affaf5773d56fd3056eb601af9099496e5adfa2c4569815f48c14c18af345923a1c79

    Download Submit