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
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-01-2025 19:31

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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 (177) 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:2396
    • C:\ProgramData\B57A.tmp
      "C:\ProgramData\B57A.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:2592
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\B57A.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2372
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1084
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:1136

    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

      bac6e645b4b0dcfc26c586d78fb0531f

      SHA1

      1cfe736493d9df8566ab7fd389ad760fa0863550

      SHA256

      79dda8c0af8d81495955a888268c63b384e4c4ce14d01a949b75034a705666c0

      SHA512

      49e29d0d3dd7123c2701b225e0316f624acf44be755061fe4b0253aec039747a193875b6ee7615a061abc72e669cc06f90d1be0a74af3937b04853d8729d6992

      Download Submit

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

      160KB

      MD5

      f5f3aa5f2e05517d9696be661f880116

      SHA1

      2e14e420f8e5ff90c5285707c00ebbaf3d29e92d

      SHA256

      1f5d36c8342b139ccebc955b98f988b82854b8f81fa94d8f3b7a54aaf946cde3

      SHA512

      7a0b030d83ea9410826398439ff9f2c4f97cba605c37bc082d0a090e23743bab9899686bf0b448a91a074a0a2b2d8b41f506e5a1c128bb3d1157bdc32e8c4a39

      Download Submit

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

      6KB

      MD5

      cb69937ccf9fe90b689ece094c0c79fb

      SHA1

      3f10e0654915beaf28b583277e71bd2004bd4c87

      SHA256

      a6211942441f8cdb0966c7a68f75c510da4b0bf8a50fe4aae2d9b63e6d3a6a1e

      SHA512

      5536b693f76e4ac9e823aa68cc4dc044ea1e57abbf4b256d95fd6ba6b2c6b2bd8c273531c5aa892b53a5cf82b89089585744a46fc6ddcc4a3dcf7dda8abb1b41

      Download Submit

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

      129B

      MD5

      562ebe7ea0cba8f05315a5ff9c2c2f5a

      SHA1

      05f4538e8e2902263c3b14b42b956cb30959c670

      SHA256

      cdb12e4278698d25f4ca12667db81ebbccff8cbb43246217a2780620d13ff335

      SHA512

      5c460d0c750a87ea25d888750e353785b585f0424cabce4dae78e51a44f53d12399f150e406a24709bbf726ec1f979c91917a897268d4d8f8e023c72dcaf0953

      Download Submit

    • \ProgramData\B57A.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2396-0-0x0000000000CA0000-0x0000000000CE0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2592-307-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2592-311-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2592-310-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2592-309-0x0000000002210000-0x0000000002250000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2592-342-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2592-343-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download