Overview

overview

10

Static

static

10

f4fb0f2ae0...53.exe

windows7-x64

10

f4fb0f2ae0...53.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13-11-2024 09:07

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General

  • Target

    f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053.exe

  • Size

    146KB

  • MD5

    06f96cb31a2b655835130a09387fb401

  • SHA1

    bb27f7e6cb3102c017c44a5bf8d86c16641e593b

  • SHA256

    f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053

  • SHA512

    2caeba7d1404019e2d378abed794b97dd4d14c646c51d6a9950cd6b677afdcf10f7263469f725d23251e11fa0913f5126743c6255d0c32f1583dcbf1c7c13744

  • SSDEEP

    1536:jzICS4AAwczUUf8y8gvMH+1zGSNAojMP95D1xD11h0i9TJmr7kZd9V78ny3OxTIT:8qJogYkcSNm9V7D1pTJmr7ksy4IT

Score
10/10
defense_evasiondiscoveryransomwarespywarestealer

Malware Config

Extracted

Path

C:\xEJOHNVZF.README.txt

Ransom Note
Your network has been penetrated. All files on each host in the network have been encrypted with a strong algorithm. Backups were either encrypted Shadow copies also removed, so F8 or any other methods may damage encrypted data but not recover. We exclusively have decryption software for your situation. More than a year ago, world experts recognized the impossibility of deciphering by any means except the original decoder. No decryption software is available in the public. Antiviruse companies, researchers, IT specialists, and no other persons cant help you decrypt the data. DO NOT RESET OR SHUTDOWN - files may be damaged. DO NOT DELETE readme files. To confirm our honest intentions.Send 2 different random files and you will get it decrypted. It can be from different computers on your network to be sure that one key decrypts everything. 2 files we unlock for free To get info (decrypt your files) contact us at telegram first . if you don't get answer in 24 hours then write us a email Contact information : Mail 1 : [email protected] Telegram: https://t.me/AzureShard You will receive btc address for payment in the reply letter No system is safe!
URLs

https://t.me/AzureShard

Signatures

  • Renames multiple (7749) 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
  • Sets desktop wallpaper using registry 2 TTPs 2 IoCs
    ransomware
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 64 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 38 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\f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053.exe
    "C:\Users\Admin\AppData\Local\Temp\f4fb0f2ae098850f2a8ffb771ae4c6c8aaa81144fe53228a2c01df2d34307053.exe"
    1⤵
    • Loads dropped DLL
    • Drops desktop.ini file(s)
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\ProgramData\231A.tmp
      "C:\ProgramData\231A.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:2556
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\231A.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2480
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x14c
    1⤵
      PID:292

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-4177215427-74451935-3209572229-1000\CCCCCCCCCCC
      Filesize

      129B

      MD5

      d5dcfd830f725d2bb856bc8f7f9a401f

      SHA1

      359d939210b3c1269784c7052c4ee3213ff04054

      SHA256

      b593b83c5b0700fa42f07de39433c3d9b8ab6fa08532defd51809ca08dd03947

      SHA512

      10238d2d5035c6ba9a9f8ea08e5f7b461d3da717aa946c32df7766fdc1a4312322660d99a8d24e3cd17caa572077edd0be7f6c3ae8614d2950222aa79327fa7c

      Download Submit

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

      146KB

      MD5

      48463d7d5af24031debcfe4cd24a439a

      SHA1

      7e83fcf30182a4966133abb250a08fabe3ffb9a8

      SHA256

      ecdc551a6d4c4424889b9a37da7d6ce0557e364727fa67b817349ad605277c9e

      SHA512

      884106b7a9e9592ae47a47ed4ab463b10e41f5c8a4598d837aadf4a7a2898d9519e5b9a4cde9b8ae1de267cda16ee1f996c8a9cbcaef92b7512e42564c66f2bf

      Download Submit

    • C:\xEJOHNVZF.README.txt
      Filesize

      1KB

      MD5

      7ddc8e8e786ba6fa3451c47157954689

      SHA1

      5009bf60c3086a2b0548e6d153e96c999831179c

      SHA256

      898cd90eebd58203c0c73c0494376c81ff8a67805dd20b8a8ca9c55b488c70e1

      SHA512

      e463de35276cadad44e73b5bf947637e139dfa5c0805dce741ace629cb2c51644d0918be8662d48ee30f04e1aaf3eea7f8992b04379cb7a9aeef6ca82dfe70e8

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-4177215427-74451935-3209572229-1000\DDDDDDDDDDD
      Filesize

      129B

      MD5

      3152da6459561d7457978d32bab8f906

      SHA1

      1b87b793a567032dd3b795ef9ec0bf1398d40ac8

      SHA256

      4c8fef0fc2f61b9e4f0be2f69ec4c43b7c34cf16fd3858b1e4b87ddba7e0ebfa

      SHA512

      e1cbdca8ef11ba8804b50cda94fd48c4baaa64fe244c9e75a8d14a2a7a61326a08f588c72dd4440ea6a85007b1cc20a452080cb155f63485880cd3d45a5bc386

      Download Submit

    • \ProgramData\231A.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2244-0-0x00000000002F0000-0x0000000000330000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2556-11704-0x0000000002260000-0x00000000022A0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2556-11705-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2556-11706-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2556-11703-0x0000000002260000-0x00000000022A0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2556-11701-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2556-11735-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2556-11736-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download