Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2024 01:01

General

  • Target

    2024-06-10_795ad3efdd65d35500a5dba7e0cea55c_ryuk.exe

  • Size

    664KB

  • MD5

    795ad3efdd65d35500a5dba7e0cea55c

  • SHA1

    096b2022a96d59c0806a4d9af58016fe9a5f7789

  • SHA256

    b67065ecbcb5d9ca4ea314c56a77a97dd13f8c9ed7bab322975679ea456edbe4

  • SHA512

    2af8f1d0d0cfd86a75768cc2430390d3445fe53f152cdc0b9eabf88e37999db740af515f301fbd490ee6d9ea60c8396be27b7c3a0d0cf37d7bfbe25ca96a30df

  • SSDEEP

    12288:os9tiK+eSoCU5qJSr1eNOURZshMIVQ4DgxAcGHUzTshRmS25yn:p3SoCU5qJSr1eNONyIVQ4DgxeeT60Q

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Renames multiple (1578) files with added filename extension

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

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-10_795ad3efdd65d35500a5dba7e0cea55c_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-10_795ad3efdd65d35500a5dba7e0cea55c_ryuk.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:1724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Program Files\7-Zip\Lang\RESTORE_FILES.txt

    Filesize

    2KB

    MD5

    78ede93114e65f9160fd03d3357c56e6

    SHA1

    88d531b101e57655f1d0d26c6b3257aa2468d460

    SHA256

    c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5

    SHA512

    074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d

  • memory/1724-2-0x000000013F8D0000-0x000000013F967000-memory.dmp

    Filesize

    604KB

  • memory/1724-5-0x00000000002F0000-0x00000000002F5000-memory.dmp

    Filesize

    20KB

  • memory/1724-9-0x00000000002F0000-0x00000000002F5000-memory.dmp

    Filesize

    20KB

  • memory/1724-8-0x0000000000300000-0x0000000000304000-memory.dmp

    Filesize

    16KB

  • memory/1724-7-0x0000000000060000-0x0000000000067000-memory.dmp

    Filesize

    28KB

  • memory/1724-3-0x00000000002F0000-0x00000000002F5000-memory.dmp

    Filesize

    20KB

  • memory/1724-0-0x0000000000300000-0x0000000000304000-memory.dmp

    Filesize

    16KB