Overview

overview

10

Static

static

10

Document.doc.scr

windows7-x64

9

Document.doc.scr

windows10-2004-x64

9

Resubmissions

30/04/2024, 10:29

240430-mjb7fshh7410

26/04/2024, 02:29

240426-cytpyahd2310

26/04/2024, 02:23

240426-cvm3zshc8210

25/04/2024, 03:51

240425-eekn2aeg3910

Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 03:51

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General

  • Target
    Document.doc.scr
  • Size 194KB
  • Sample240425-eekn2aeg39
  • SHA256 062683257386c9e41a1cd1493f029d817445c37f7c65386d54122fa466419ce1
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (324) 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:1644
    • C:\ProgramData\29DE.tmp
      "C:\ProgramData\29DE.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2452
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\29DE.tmp >> NUL
        3⤵
          PID:1428
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x148
      1⤵
        PID:2220

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            desktop.ini
            • Path C:\$Recycle.Bin\S-1-5-21-2248906074-2862704502-246302768-1000\desktop.ini
            • Size 129B
            • SHA256 252d68ab5cd4255a804233044de6ae57cb7bc431bc2c4ea31094e31612d2ee8a
            • MD5 SHA1 SHA512
            Submit Download

            Qs2QSInbk.README.txt
            • Path C:\Qs2QSInbk.README.txt
            • Size 434B
            • SHA256 6fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c
            • MD5 SHA1 SHA512
            Submit Download

            DDDDDDDDDDDDDDDD
            • Path C:\Users\Admin\AppData\Local\Temp\DDDDDDDDDDDDDDDD
            • Size 194KB
            • SHA256 790a0e5803fa46fff4328946ed0b249ca3e8820360f21c73e403bab88790c250
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            DDDDDDDDDDD
            • Path F:\$RECYCLE.BIN\S-1-5-21-2248906074-2862704502-246302768-1000\DDDDDDDDDDD
            • Size 129B
            • SHA256 23436e9c7c7a2bad6e577f3d5e35ccf01f31635560cfcc350cd3c2c8e8efe53b
            • MD5 SHA1 SHA512
            Submit Download

            29DE.tmp
            • Path \ProgramData\29DE.tmp
            • Size 14KB
            • SHA256 917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            memory/1644-0-0x0000000002590000-0x00000000025D0000-memory.dmp
            Download

            memory/2452-850-0x000000007EFA0000-0x000000007EFA1000-memory.dmp
            Download

            memory/2452-851-0x00000000023B0000-0x00000000023F0000-memory.dmp
            Download

            memory/2452-856-0x000000007EF80000-0x000000007EF81000-memory.dmp
            Download

            memory/2452-858-0x000000007EF20000-0x000000007EF21000-memory.dmp
            Download

            memory/2452-882-0x000000007EF40000-0x000000007EF41000-memory.dmp
            Download

            memory/2452-883-0x000000007EF60000-0x000000007EF61000-memory.dmp
            Download