Overview

overview

10

Static

static

10

f4fb0f2ae0...53.exe

windows7-x64

10

f4fb0f2ae0...53.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 03:08

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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 (7750) 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 64 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:2612
    • C:\ProgramData\22DC.tmp
      "C:\ProgramData\22DC.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:2868
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C DEL /F /Q C:\PROGRA~3\22DC.tmp >> NUL
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1980
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x148
    1⤵
      PID:2556

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\$Recycle.Bin\S-1-5-21-1163522206-1469769407-485553996-1000\CCCCCCCCCCC
      Filesize

      129B

      MD5

      6600a92171eb27d4b82d20902d45c9f2

      SHA1

      070325e4a0e16366650d4f51b66883fe19384e95

      SHA256

      1bba13e27a19c3cc6382bf6664e3745e94913f4b6121885706d98aa75689add5

      SHA512

      f92e69afbbe8db8158b90171a694d3521b5d4580307de7a38a94a34a4219b8d8d11250779faa18cad45a55f7c8b1ac7d047384829901bb8d0fe7a1d806e84636

      Download Submit

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

      146KB

      MD5

      91bcb8ee67f18857ca32eed19fef4a23

      SHA1

      edc19beb9f34157fbf274199c353bac89c181c6a

      SHA256

      5020ea6fde2c4075bdb0f8d2c32991755d239828d462a1aa0e5ec26da61b5055

      SHA512

      6286f1f6f77f16b40b1735dae35046985d1b23b46f26e340426d00d0cf187057fb2837cfc45a23fb0c3b360888d7321f9697b4460893bfe5d54643f4fb46819b

      Download Submit

    • C:\xEJOHNVZF.README.txt
      Filesize

      1KB

      MD5

      7ddc8e8e786ba6fa3451c47157954689

      SHA1

      5009bf60c3086a2b0548e6d153e96c999831179c

      SHA256

      898cd90eebd58203c0c73c0494376c81ff8a67805dd20b8a8ca9c55b488c70e1

      SHA512

      e463de35276cadad44e73b5bf947637e139dfa5c0805dce741ace629cb2c51644d0918be8662d48ee30f04e1aaf3eea7f8992b04379cb7a9aeef6ca82dfe70e8

      Download Submit

    • F:\$RECYCLE.BIN\S-1-5-21-1163522206-1469769407-485553996-1000\FFFFFFFFFFF
      Filesize

      129B

      MD5

      2584470779c0460b65d5f9234df02bc4

      SHA1

      17ec2e5e0d1ee8182616934bb5f2bcf1e29a4110

      SHA256

      6981d102de0d81100034352979c64c8d0018e6c5db423f3773f5d3d14c5ccd05

      SHA512

      628a422570c18e02d51efc0fcc9cc582c257c65377b1c6b9f40a0c97aaa7124f762e40f12d84a2f9625aa31f8598c036545957da156608a527a94035423cf797

      Download Submit

    • \ProgramData\22DC.tmp
      Filesize

      14KB

      MD5

      294e9f64cb1642dd89229fff0592856b

      SHA1

      97b148c27f3da29ba7b18d6aee8a0db9102f47c9

      SHA256

      917e115cc403e29b4388e0d175cbfac3e7e40ca1742299fbdb353847db2de7c2

      SHA512

      b87d531890bf1577b9b4af41dddb2cdbbfa164cf197bd5987df3a3075983645a3acba443e289b7bfd338422978a104f55298fbfe346872de0895bde44adc89cf

      Download Submit

    • memory/2612-1-0x0000000002390000-0x00000000023D0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2612-0-0x0000000002390000-0x00000000023D0000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2868-11704-0x000000007EF20000-0x000000007EF21000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2868-11702-0x0000000000230000-0x0000000000270000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2868-11701-0x0000000000230000-0x0000000000270000-memory.dmp

      Filesize

      256KB

      Download

    • memory/2868-11700-0x000000007EFA0000-0x000000007EFA1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2868-11703-0x000000007EF80000-0x000000007EF81000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2868-11734-0x000000007EF60000-0x000000007EF61000-memory.dmp

      Filesize

      4KB

      Download

    • memory/2868-11733-0x000000007EF40000-0x000000007EF41000-memory.dmp

      Filesize

      4KB

      Download