Overview

overview

10

Static

static

10

Document.doc.scr

windows7-x64

9

Document.doc.scr

windows10-2004-x64

9

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-06-2024 08:38

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General

  • Target

    Document.doc.scr

  • Size

    194KB

  • MD5

    407ea767aa26ae13f9ff20d0999c8dda

  • SHA1

    07e615132ef78e827047ffc4cc6c9d44f5a976fd

  • SHA256

    f2198deecddd5ae56620b594b6b20bf8a20f9c983d4c60144bc6007a53087ce4

  • SHA512

    6c14d07b497af375f2f4db4da321ed7e5fb60a6f26281bcdbfc513eb1033d98442ff83ee58849a721bd7e14a0b7094b98397923c35bd4b6ae91c179784de6b02

  • SSDEEP

    3072:L6glyuxE4GsUPnliByocWepVeKna4iJ0Cv+LmaGqsqRxB:L6gDBGpvEByocWePk4iJ0C2LYcx

Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (301) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Drops desktop.ini file(s) 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Document.doc.scr
    "C:\Users\Admin\AppData\Local\Temp\Document.doc.scr" /S
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2220
    • C:\ProgramData\24A0.tmp
      "C:\ProgramData\24A0.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2540
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\24A0.tmp >> NUL
        3⤵
          PID:2288
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x14c
      1⤵
        PID:2160

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\$Recycle.Bin\S-1-5-21-3627615824-4061627003-3019543961-1000\FFFFFFFFFFF
        Filesize

        129B

        MD5

        82981c84ee6413ec3d8227695d999061

        SHA1

        1794fe30e3ec6a41df5e2334d8f1cd965c0bd41f

        SHA256

        c0c3c4c94a8bbe78a85127ca06a502595b1556b2e9c47bd91c3fd7909037d542

        SHA512

        2dd9240708edbf5c7b7894608e83aae8d0d014f4a3e9c8a2f9acfd631ba59bdd8dcfcf0e2dee28b742ae36062110edd29026acfea7f8d44d4ab0ce553191bb3d

        Download Submit

      • C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDD
        Filesize

        194KB

        MD5

        116eadd7973ebf66ffbb5fc655870ef7

        SHA1

        d99004c39e47c843e6a441540b0187fd524bfd12

        SHA256

        966b834d5f097a8a4042201764cdc997c7a09578fa74e538d1cfd827b59f21c5

        SHA512

        8f6c3f6e5d4c6ed7a240baf9a60270adb5aad46c0fc4f3c8076647b8ceccccd57f03e4e4dd9bdaa2f1a7d7885d8262b5120b559bcb72228e401b82abd1cd27b2

        Download Submit

      • C:\jC7CNxlVt.README.txt
        Filesize

        434B

        MD5

        ad29bd8c66e114ff57c943d16c78f72a

        SHA1

        5ab070ee89a36f38facae4dfc8ec5ce3e59af46e

        SHA256

        6fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c

        SHA512

        a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1

        Download Submit

      • F:\$RECYCLE.BIN\S-1-5-21-3627615824-4061627003-3019543961-1000\DDDDDDDDDDD
        Filesize

        129B

        MD5

        e740a2280c9d5465f7cf108e10567e7e

        SHA1

        fdc81386097b5d90627630d4bc07a9f68d54582b

        SHA256

        5440cc9796346ea6e4857dee5c78af085522e63c3ec16f01f71c4e9c916e1320

        SHA512

        d4703d83eb5208a5b513d487a5dccf41d9088f981c840d8fef1dc6b3b5e6b067f93de3a48b8848f7c5370298f14358bac88cab18656c203dc84622b0e235eba7

        Download Submit

      • \ProgramData\24A0.tmp
        Filesize

        14KB

        MD5

        294e9f64cb1642dd89229fff0592856b

        SHA1

        97b148c27f3da29ba7b18d6aee8a0db9102f47c9

        SHA256

        917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

        SHA512

        b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

        Download Submit

      • memory/2220-0-0x0000000000910000-0x0000000000950000-memory.dmp

        Filesize

        256KB

        Download

      • memory/2540-813-0x000000007EF20000-0x000000007EF21000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2540-812-0x000000007EF80000-0x000000007EF81000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2540-811-0x0000000002070000-0x00000000020B0000-memory.dmp

        Filesize

        256KB

        Download

      • memory/2540-809-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2540-810-0x0000000002070000-0x00000000020B0000-memory.dmp

        Filesize

        256KB

        Download

      • memory/2540-842-0x000000007EF40000-0x000000007EF41000-memory.dmp

        Filesize

        4KB

        Download

      • memory/2540-843-0x000000007EF60000-0x000000007EF61000-memory.dmp

        Filesize

        4KB

        Download