Analysis

  • max time kernel
    93s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 00:05

General

  • Target

    2024-09-22_615c370cc8b7d47a71160027d21f1c75_blackcat_maui_nokoyawa_venus-locker_wannacry.exe

  • Size

    14.0MB

  • MD5

    615c370cc8b7d47a71160027d21f1c75

  • SHA1

    68bee72acfd5371b1122490bd072228ceb672cef

  • SHA256

    9f188b2f4aa6a5ff3a6fb9048a20c5566f25bd9fb313ed1ba1d332fadd82690f

  • SHA512

    f68f87ccdf9fd517ece1eaaabb2fd6855ba9dd3073382320dfc925db8f0fbd8b7e6812c0ff501296583985fd5563cc1b70d47a0ca93b0c5976632f5d4e065871

  • SSDEEP

    98304:aRqeZPPm0Rgmt7M17Lu1zdfj7zyg5oo5AZx8U8qPoBhLTlL4DQWVYHL9fu4h84MW:aMygJ9edfbhSo5Kp8qPKlL8QgYVhqh+

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Renames multiple (511) 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\2024-09-22_615c370cc8b7d47a71160027d21f1c75_blackcat_maui_nokoyawa_venus-locker_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-22_615c370cc8b7d47a71160027d21f1c75_blackcat_maui_nokoyawa_venus-locker_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:1932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    78ede93114e65f9160fd03d3357c56e6

    SHA1

    88d531b101e57655f1d0d26c6b3257aa2468d460

    SHA256

    c97412fbf88da8f91099a52888dea4c3f222cd95af3e681e3271cbca8b6b7bb5

    SHA512

    074a4c741273902ccacb6f573b96d8accedb2ee405dbd04350cdbf54d180c1fd577a4e90c2aae26bf72f3782403f4494db6e3501a04cfd9d7d81a6bc14884b9d

  • memory/1932-5-0x0000000000810000-0x0000000000815000-memory.dmp

    Filesize

    20KB

  • memory/1932-9-0x0000000000820000-0x0000000000824000-memory.dmp

    Filesize

    16KB

  • memory/1932-12-0x0000000000810000-0x0000000000815000-memory.dmp

    Filesize

    20KB

  • memory/1932-6-0x0000000000810000-0x0000000000815000-memory.dmp

    Filesize

    20KB

  • memory/1932-4-0x0000000140000000-0x000000014003E000-memory.dmp

    Filesize

    248KB

  • memory/1932-2-0x0000000000820000-0x0000000000824000-memory.dmp

    Filesize

    16KB

  • memory/1932-1-0x0000000000810000-0x0000000000815000-memory.dmp

    Filesize

    20KB

  • memory/1932-0-0x00000000007F0000-0x00000000007F7000-memory.dmp

    Filesize

    28KB