Overview

overview

10

Static

static

10

Document.doc.scr

windows7-x64

9

Document.doc.scr

windows10-2004-x64

9

Resubmissions

25/04/2024, 03:12

240425-dqnpdsee4v 10

Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    25/04/2024, 03:12

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General

  • Target

    Document.doc.scr

  • Size

    194KB

  • MD5

    b7b4c97132d03eead1fa9a9352dee6c2

  • SHA1

    c9eb1bdc528076fa9c91668addf0723294ac1575

  • SHA256

    1ecea8b0bc92378bf2bdd1c14ae1628c573569419b91cc34504d2c3f8bb9f8b2

  • SHA512

    cb0023bc6783a94a27d2d4a67c214e8657fd334d1a94a7dba51277363dee2a67e7ecc5fc0788cead1c4e0e2dc7d9aa758203f89dce162184869d20a44d171903

  • SSDEEP

    3072:v6glyuxE4GsUPnliByocWepXKD0/9Wy1Og/ZK99r:v6gDBGpvEByocWehKD0/EWfg3

Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (353) 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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:2876
    • C:\ProgramData\3312.tmp
      "C:\ProgramData\3312.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\3312.tmp >> NUL
        3⤵
          PID:1104
    • C:\Windows\system32\AUDIODG.EXE
      C:\Windows\system32\AUDIODG.EXE 0x14c
      1⤵
        PID:1720

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\$Recycle.Bin\S-1-5-21-3452737119-3959686427-228443150-1000\desktop.ini
              Filesize

              129B

              MD5

              64f585516cd66ebcb7137fbb94581005

              SHA1

              fe37e14ec9b2c416926e74f69f4ad40b3904b1f9

              SHA256

              fd2b268c8430a5076ca99a4d61f89ab9ac69996029afe0c65ce2c726dea145ff

              SHA512

              d773972f6a7cf378882d5fbc6d1c809f170df02f95d55f339909c5e283875e43469ece62530c94fb2c4ab215329b801540e8e514afcc6a208ba87beb437a5c75

              Download Submit

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

              194KB

              MD5

              f4261250214c27f7de260eefe297aad4

              SHA1

              f61117847a6abf9665de0af0663c93eb00a23b99

              SHA256

              0cd05a80f3674727ac52ef97d202f84a83873e063547f2228e5db16719e0cd8a

              SHA512

              a052ecccbee7d54eec4517dacc5c873eff11d6cee8052607ee2bb5583c40b33b26079ce972212e0b5210a413f9d4629ea2b6ba43d52d9adeb32f0540e5ccad10

              Download Submit

            • C:\te8ZzuVLn.README.txt
              Filesize

              434B

              MD5

              ad29bd8c66e114ff57c943d16c78f72a

              SHA1

              5ab070ee89a36f38facae4dfc8ec5ce3e59af46e

              SHA256

              6fe668fe8bf69158d1fd08e90f3cff60c1df410bf752635bf152853b6112549c

              SHA512

              a53121e2379aa9c3bc52d073498a54f26383834f6d6636b4b3831010565c80bf0da07511907eab7bd92f9796e559958b1c0ebea4c4b0f0d869e95b7deb5da7f1

              Download Submit

            • F:\$RECYCLE.BIN\S-1-5-21-3452737119-3959686427-228443150-1000\DDDDDDDDDDD
              Filesize

              129B

              MD5

              21c38277db96bf1eb62f8a7edad1c73a

              SHA1

              5c0f9d09af827a17489f1769cca23d6253b43e81

              SHA256

              d92b87931c751b418c444cd778776e809e2259d6899755dd0e6d4ddd0ab91e9c

              SHA512

              5445025ea21a21f11a9ce4349ff3e9966dfebc99aa4a5290306ea72c4a6337fee5445bda80197ea2b7573b6637fcbe8c50f3bbdf698c0292f0d05708e2ab5d8f

              Download Submit

            • \ProgramData\3312.tmp
              Filesize

              14KB

              MD5

              294e9f64cb1642dd89229fff0592856b

              SHA1

              97b148c27f3da29ba7b18d6aee8a0db9102f47c9

              SHA256

              917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

              SHA512

              b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

              Download Submit

            • memory/2052-872-0x0000000002340000-0x0000000002380000-memory.dmp

              Filesize

              256KB

              Download

            • memory/2052-873-0x0000000002340000-0x0000000002380000-memory.dmp

              Filesize

              256KB

              Download

            • memory/2052-876-0x000000007EF80000-0x000000007EF81000-memory.dmp

              Filesize

              4KB

              Download

            • memory/2052-878-0x000000007EF20000-0x000000007EF21000-memory.dmp

              Filesize

              4KB

              Download

            • memory/2052-871-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

              Filesize

              4KB

              Download

            • memory/2052-905-0x000000007EF60000-0x000000007EF61000-memory.dmp

              Filesize

              4KB

              Download

            • memory/2052-904-0x000000007EF40000-0x000000007EF41000-memory.dmp

              Filesize

              4KB

              Download

            • memory/2876-0-0x00000000010B0000-0x00000000010F0000-memory.dmp

              Filesize

              256KB

              Download