Overview

overview

10

Static

static

10

2024-09-18...de.exe

windows7-x64

9

2024-09-18...de.exe

windows10-2004-x64

9

Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 23:18

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General

  • Target

    2024-09-18_d5c43db682644a7c08e653206f9c8d73_darkside.exe

  • Size

    146KB

  • MD5

    d5c43db682644a7c08e653206f9c8d73

  • SHA1

    3df0d727a4ebd48c2f9a1012828a47271c1e4a1c

  • SHA256

    c31a2e594ba6f814f266ff511659faa3489b5508187693048e0ff17bc087bb7b

  • SHA512

    f800f0320128091b3eac64f5f7e41d425ce20be0f0b3d5ff36c35843b4212a71e9c2cc6359e3373db179317c825c84848b299145d4928b04a7cdfd5611e8c7ef

  • SSDEEP

    3072:p6glyuxE4GsUPnliByocWepsXU3tITJ9GN+YVF:p6gDBGpvEByocWesUgfGN+YVF

Score
9/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Signatures

  • Renames multiple (328) 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
  • 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 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
  • 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\2024-09-18_d5c43db682644a7c08e653206f9c8d73_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-18_d5c43db682644a7c08e653206f9c8d73_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:1968
    • C:\ProgramData\BCF9.tmp
      "C:\ProgramData\BCF9.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:2040
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\BCF9.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:816
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:868

    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

      85bd720628fe3967c3717892118171aa

      SHA1

      6cb78f10ed08d48bcae6d1cadeff0d66a7b9757d

      SHA256

      a408965ef9eacec50ad3f81106b3bb37b212960aa87561e3449004afc094148b

      SHA512

      b5d87f03831397fe395f4e9499948b0683759b90d5dfa9445e2ce6568d0aa2d0887b388d5c4b8b31f7d0c100ed41aff4c93f327f4ebad0e265d2062b3eba978f

      Download Submit

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

      146KB

      MD5

      500f8490929a3c4d71df5bb52015b601

      SHA1

      0a82db423e736557885c78695d0dc9a95da41bb7

      SHA256

      237c265f10d605561b114c15fed8c93e163d87db740bc8542b33ccd4dc7a333e

      SHA512

      ddfccffbee5bd197f9c92c9d82b3218ee69d68978ceb7865e84c00dd31f36a786f16926b8e2707094694f3e3170025d62793c1a896fc4764004a84ac7fc52f71

      Download Submit

    • C:\ioZ35V9gf.README.txt
      Filesize

      343B

      MD5

      72b1ffaeb7de456483f491ecceadb088

      SHA1

      ee1953abc295245ab01f35a4a823883826bf2b41

      SHA256

      eb892eac9899b995047733bb17acd4945eb42b7b49f2ee8ad52b8026bc0297a7

      SHA512

      c0e7cad617cf1490bb25fc47936edc3ae164b190ed34f2d2a50e7e84ce6e0d6712a6ba9ab351cca1589266078326a00317516c53fecf96f20eaefe15e92ce445

      Download Submit

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

      129B

      MD5

      39f8224dc261f58ce6432bcc9737000f

      SHA1

      c846bda0aa305473de6c1a6aa793673e1857348a

      SHA256

      b6d55e3f35f112de682b71d9feec761ffceb9eb36c073af36935a66801da94d3

      SHA512

      a95ff91b14fcf3ef8d16d18701b82357377d4952e4147ffe036a8c9e86f42fdda4f15916ef0ae5293541eec571162d587ae2aae9b3f6c3f242a2d3a4057683fa

      Download Submit

    • \ProgramData\BCF9.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/1968-0-0x0000000001FB0000-0x0000000001FF0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2040-866-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2040-865-0x00000000021A0000-0x00000000021E0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2040-864-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2040-863-0x00000000021A0000-0x00000000021E0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2040-861-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2040-896-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2040-895-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download