Overview

overview

10

Static

static

10

2025-01-10...de.exe

windows7-x64

10

2025-01-10...de.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    10-01-2025 12:32

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2025-01-10_c09185c157831e4915c255d7002941f4_darkside.exe

  • Size

    147KB

  • MD5

    c09185c157831e4915c255d7002941f4

  • SHA1

    beca597f2c2c120c3d74163501a81f56664ff4f7

  • SHA256

    6f3d87f3dcfd248e64d26cf338a19f41a6f93affdde5fab071a631ff38637757

  • SHA512

    a843854ca79f4d98938635612d20f3d5b79d8661ee91d1ae130b2deffe95e44d7028f76b8b221c87fab0638afe5baf3c55e8348f8aa10dddc90133167a3c17bf

  • SSDEEP

    3072:SqJogYkcSNm9V7DnfX/91c6G+Mqc+2EIEMF+T:Sq2kc4m9tDnfXPc6g+2XEMF

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\5VFg9o5tW.README.txt

Ransom Note
------Dear managers!------ If you are reading this, it means your network has been attacked. What does that mean? We hacked your network and now all your files, documents, client database, projects and other important data safely encrypted with reliable algorithms. we also have a copy of all your data. WARNING!!! You don't have to go to the POLICE, etc. Otherwise we will not be able to help you. You cannot acces the files right now. But do not worry. You can get it back! It is easy to recover in a few steps. As proof, we can decrypt any 3 files you provide. We are not interested to ruin your business. We want to get ransom and be happy. Please bring this information to your team leaders as soon as possible. In case of a successfull transaction, we will restore your systems within 4-6 hours and also provide security recommendations. -----------------------WARNING----------------------- If you modify files - our decrypt software won't able to recover data If you use third party software - you can damage/modify files (see item 1) You nedd cipher key / our decrypt software to restore you files. The police or authorities will not be able to help you get the cipher key. We encourage you to consider your decisions. -----------------------RECOVERY----------------------- Use email: [email protected] Alternative email address: [email protected] ([email protected]) ID message: c5337115f1d1a

Signatures

  • Renames multiple (330) 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 3 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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • 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
  • Suspicious behavior: EnumeratesProcesses 12 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\2025-01-10_c09185c157831e4915c255d7002941f4_darkside.exe
    "C:\Users\Admin\AppData\Local\Temp\2025-01-10_c09185c157831e4915c255d7002941f4_darkside.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2076
    • C:\ProgramData\499E.tmp
      "C:\ProgramData\499E.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:3040
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\499E.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1912
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:2484

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\$Recycle.Bin\S-1-5-21-3551809350-4263495960-1443967649-1000\desktop.ini
      Filesize

      129B

      MD5

      5f3d8a11c5a6dc803c301519a1e307c8

      SHA1

      6c11d622a50bc95af9a3cfd3dde5945e6afb336b

      SHA256

      3f178aa59c17f4cdcc9fb92c75d43512e7241ed5cbec8d165cd3bbea56dd38e3

      SHA512

      c6bb8b9d55217230a768cccb113d187afefbcb7cc92af4fe4b58ae64ff45ee7b33ba9f02183fc569c1f3e8e234e4e5692c7b1e640e6e2caacfba0cdaf10ddd17

      Download Submit

    • C:\5VFg9o5tW.README.txt
      Filesize

      1KB

      MD5

      17e3459297cd54cf124d089248ff395b

      SHA1

      617e2ddd0a69a242d4da510d32670a170ff667fa

      SHA256

      94aaefad5d5a9fea79e9271941a5e874951cceac46a110ef0f1de841051f6421

      SHA512

      280536a672423a4bf4df1cb7cd49bd0a7a3f731dfe4543359a84d3a82d734e3882386b336af62a77e2763cbe7fe9e4ff6ae852241dd61ab702cda1b0d2f02e13

      Download Submit

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

      147KB

      MD5

      d76db2b0d3f1760f29e21afaca0bc9c3

      SHA1

      94198db97ce781e6bf6761c96e1fea957ad724d5

      SHA256

      33f7ad898f073c7a8cbcf262b9be5c0f9c52314138be051200725c11b01b8da3

      SHA512

      a0d5b7ce99168e788266a1893ceb6c55b90f24e0b77491a783df4017d2fe0c2e6acd1158ae5fe95f6f0dd49a735f2cd373b8380022cd7230531b29621d14b207

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-3551809350-4263495960-1443967649-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      b7fb5522ea555f81c74d7b4e828f0fa7

      SHA1

      859cf8b10e23507c2912d215794e4557cec57140

      SHA256

      0c2c7862af31a17ebd353c509bbd53fa77c6181fdb922c332ac98ce1ef6f0aaa

      SHA512

      d5a603072dba27453e2744db639eba018b45c28ec585a6ad0982cf7632edc1917af08eebb5a16ba4149728fd38017270434a25ff862344082968c7e305d5e8df

      Download Submit

    • \ProgramData\499E.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2076-0-0x0000000000E70000-0x0000000000EB0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/3040-860-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

      Download

    • memory/3040-863-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download

    • memory/3040-862-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

      Download