Overview

overview

10

Static

static

10

2024-09-02...de.exe

windows7-x64

9

2024-09-02...de.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    146s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 11:30

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General

  • Target

    2024-09-02_7f6830b77ad13b244bc5d702d67137bf_darkside.exe

  • Size

    146KB

  • MD5

    7f6830b77ad13b244bc5d702d67137bf

  • SHA1

    1fbd763388a3e9679ac66b35da8a78e041611fe4

  • SHA256

    e097f98ea3416330ed2fd7856743d68a7ca880c6d57e8c264a384a112ac5a390

  • SHA512

    488cb83c7267cfc70989e09489373f4372325531f7c02b1711fbdf6dfeaa377c39b84d5e971136e0e41d0a6dcde52ec4d21a749169eedb9e9ba43eb9caf077de

  • SSDEEP

    3072:c6glyuxE4GsUPnliByocWep0XL63DjDeprS:c6gDBGpvEByocWeOmuNS

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (594) files with added filename extension

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

    ransomware
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 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
  • Indicator Removal: File Deletion 1 TTPs

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

    defense_evasion
  • Drops file in System32 directory 4 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).

  • 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
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 13 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-02_7f6830b77ad13b244bc5d702d67137bf_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-02_7f6830b77ad13b244bc5d702d67137bf_darkside.exe"
    1⤵
    • 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:3592
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
      • Drops file in System32 directory
      PID:3088
    • C:\ProgramData\ACAC.tmp
      "C:\ProgramData\ACAC.tmp"
      2⤵
      • Checks computer location settings
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: RenamesItself
      • Suspicious use of WriteProcessMemory
      PID:1048
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\ACAC.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4752
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
    1⤵
      PID:672
    • C:\Windows\system32\printfilterpipelinesvc.exe
      C:\Windows\system32\printfilterpipelinesvc.exe -Embedding
      1⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2976
      • C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE
        /insertdoc "C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\{CCE9BBB1-24D7-4866-99BD-3B588F5D3268}.xps" 133697502670730000
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of SetWindowsHookEx
        PID:3940

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

          • C:\$Recycle.Bin\S-1-5-21-355097885-2402257403-2971294179-1000\YYYYYYYYYYY
            Filesize

            129B

            MD5

            5d32af71f65b15e27ac3ec4d8886e631

            SHA1

            c0c02627e2becd641a4a59e354439ed5af8d9e4e

            SHA256

            37e64da9cbec29d778923536a1ebb2236abdf04358feb1f3e266121311266721

            SHA512

            78d40d5011e35a50839d4eca9a267830b0d31b1f4ab46e4b42f10f30051a33f5f1ca7cff38bb656b0e80301c50c1ab81e97abd592575488f6232a8c8dffb4397

            Download Submit

          • C:\ProgramData\ACAC.tmp
            Filesize

            14KB

            MD5

            294e9f64cb1642dd89229fff0592856b

            SHA1

            97b148c27f3da29ba7b18d6aee8a0db9102f47c9

            SHA256

            917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

            SHA512

            b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

            Download Submit

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

            146KB

            MD5

            459c8466a6e108dd3c414b3e1781d208

            SHA1

            50d7fd4e64f62c7e8e2d1e387a77246773de16dc

            SHA256

            8e1bd0c4231e457245032dc40ffacee5ee2249d817b9e3b75045d8c9a81b7afd

            SHA512

            1d10a333933ac8fd568ef6edd1d00d831e852235a8854675fdf9de41c4ef92a2c36448caaac148bc90c2b5f8a598469eb7d498f1be44ced997d77c6ce7994d39

            Download Submit

          • C:\Users\Admin\Documents\OneNote Notebooks\My Notebook\Open Notebook.onetoc2
            Filesize

            4KB

            MD5

            b8426b2bfa2c175cc6eed4c335e4556e

            SHA1

            6783ed530a6f9914753839675a8f48d677fbe0f8

            SHA256

            7cbdf748a68ff5321b36e7e4c1878fe612467f0cb25696cf6b596d0699e1c8c4

            SHA512

            6677cdf5e775af6c4e26de9291970fe2c4d8ec32470ed805bc6554115fd0f1b7538dfc97a8e7aaff087ff225f71e87d69c9c73fbea1494704f27012c7bd46a5d

            Download Submit

          • C:\XQk8iLzOQ.README.txt
            Filesize

            343B

            MD5

            72b1ffaeb7de456483f491ecceadb088

            SHA1

            ee1953abc295245ab01f35a4a823883826bf2b41

            SHA256

            eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

            SHA512

            c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

            Download Submit

          • F:\$RECYCLE.BIN\S-1-5-21-355097885-2402257403-2971294179-1000\EEEEEEEEEEE
            Filesize

            129B

            MD5

            e695d0f582e24ca7aac5dc38a57b3c3e

            SHA1

            8e1940aa6d6bd6472f3c3f17f0f81d41dac6f546

            SHA256

            66d9e4b3746e2136418d161094660c6c75a4d5a09e9937a1f1093042f5ee7ceb

            SHA512

            d08ebfa67369db7c888521544b5e53bda32682900feb9dd56eba09bf49f9a62cf4b3dd7269eecd090635c63e493ba7f238b7905ccab91845c5d9e0e180edc845

            Download Submit

          • memory/3592-2777-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3592-2778-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3592-1-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3592-2776-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3592-0-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3592-2-0x0000000002640000-0x0000000002650000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3940-2790-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3940-2792-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3940-2793-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3940-2794-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3940-2791-0x00007FF97C530000-0x00007FF97C540000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3940-2827-0x00007FF979E10000-0x00007FF979E20000-memory.dmp

            Filesize

            64KB

            Download

          • memory/3940-2828-0x00007FF979E10000-0x00007FF979E20000-memory.dmp

            Filesize

            64KB

            Download