Overview

overview

10

Static

static

10

2025-01-23...de.exe

windows7-x64

9

2025-01-23...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-01-2025 19:41

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General

  • Target

    2025-01-23_3b7bbcc792998c87d854a9587d066d2e_darkside.exe

  • Size

    160KB

  • MD5

    3b7bbcc792998c87d854a9587d066d2e

  • SHA1

    0b3e8f3c71d3fbfa02ad9cef1f3cbaa83c8d2621

  • SHA256

    130d6de205082cf8be9c58f327f84080af79f2ebf6f50c83e23aa142f2247cd8

  • SHA512

    56d74eef6efb89837c048b1aa91358749992c1e41bc82fe646924efb16c7e32a1d4eeaeeb7d82a0a49314a4f3c47b909e7b1271acb40d1ae8d1c1755c8929ee7

  • SSDEEP

    3072:TDDDDDDDDDDDDDDDDDDDE45d/t6sVkgZqltP3368enHx6A2eyKQnWwAYEW:95d/zugZqll30Hw3eyZWwAY

Score
9/10
defense_evasiondiscoveryransomware

Malware Config

Signatures

  • Renames multiple (189) 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
  • Drops desktop.ini file(s) 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

    defense_evasion
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 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
  • Modifies Control Panel 2 IoCs
    defense_evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2025-01-23_3b7bbcc792998c87d854a9587d066d2e_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-23_3b7bbcc792998c87d854a9587d066d2e_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • C:\ProgramData\F9BA.tmp
      "C:\ProgramData\F9BA.tmp"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\F9BA.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:568
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1908
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:2396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini
      Filesize

      129B

      MD5

      6b03ac60e4ccd1e1de9c71c52cd24cb6

      SHA1

      79d345bcab69b2bb950a7bae077f3c2f7a9dadba

      SHA256

      57e05c2d4ccc2f78014b81cf7f168049b0db6ec6230ac0269c496ba6914c6214

      SHA512

      d854364ba5ec640c44e3f0a39ba36b602d5864466844a3c8c645aeef969a0a80ff2e860ff6fb0ca3cf954bda4cd54c01d9f3518762ed4865dea35ce52d57a583

      Download Submit

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

      160KB

      MD5

      33f46cf46bfe22443de40e8c7cfb416e

      SHA1

      26df9343c6ae7fc6cd53e291f0ad284f30c5e095

      SHA256

      c6f4a0c9ac9f579e7757936865f9e0f8c6e44d64c8d975cf47d51a70406ef4b6

      SHA512

      a72362caa7b3708d28eab225fbd384720b289830dfad282453f17d616b5f5286203eb74ccb869154352f1e34aa6aaf60fe523dae07a999b067e76715081a2882

      Download Submit

    • C:\Users\PTfidxFX1.README.txt
      Filesize

      6KB

      MD5

      61b208a3ed77b6ffc144b3e1abd6a4ab

      SHA1

      563672ef89a26448736c76eb1bbf018e51acb8e7

      SHA256

      98cc0b1b8ecbaf1a2fb08a7e2313d1db4523b488b27ca14fd4147369c3360fb9

      SHA512

      e2d297f433f6de1858e7d3fb7d0f2f80fdac9a13fcf728fc5ed89b7e49495651e67fd761be42e626d54e9e1fe6afe2ab18807076394bbfe2c7e36293c1aef2d8

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3533259084-2542256011-65585152-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      c69d264ec382a8ada7d04b0d8c636411

      SHA1

      22520ea23c6beeee79da7dc4b75ec517746c09ad

      SHA256

      cbbd13ffe5746f457a61c9c144bb3a701f6f3c1dd09b88c30a695021e1acbd4c

      SHA512

      19ad0333e689df1f1f6e3c7152e571b0076700d5491181053526a4ad257d2dcc6a345b3d0a1c02ad01c57c0d8447fbe3862d571a157fe1387703464ae51cdb6d

      Download Submit

    • \ProgramData\F9BA.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1888-322-0x0000000002030000-0x0000000002070000-memory.dmp

      Filesize

      256KB

      Download

    • memory/1888-324-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1888-323-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1888-321-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1888-356-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/1888-355-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2084-0-0x0000000000190000-0x00000000001D0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2084-1-0x0000000000190000-0x00000000001D0000-memory.dmp

      Filesize

      256KB

      Download