Analysis

  • max time kernel
    93s
  • max time network
    140s
  • 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, 01:08 UTC

General

  • Target

    2024-09-23_779bc558fee95b2d04f57e40d138bf23_blackcat_maui_nokoyawa_venus-locker_wannacry.exe

  • Size

    14.7MB

  • MD5

    779bc558fee95b2d04f57e40d138bf23

  • SHA1

    b77875ba47716cc7f05ec86c02467b486c222563

  • SHA256

    f14c7eacdb39f1decdcf1e68f57c87340968fede1dc0391b2b082f58bd3a3f93

  • SHA512

    9e8793b5d7c3f89c20ce7ddf259c6278cfed31d11e6425b397788ae194ec2cd11c2a001b9dbe5de962aaca7b25c7409b2c7df737be0ff0b1c96e666af6e84b98

  • SSDEEP

    196608:aMygJ9edfbhSo5Kp8qPKlL8QgYVhqhOM8qTsSqE:7XJ9e1wo548qSV5VhKOeTsRE

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Renames multiple (556) 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\2024-09-23_779bc558fee95b2d04f57e40d138bf23_blackcat_maui_nokoyawa_venus-locker_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-23_779bc558fee95b2d04f57e40d138bf23_blackcat_maui_nokoyawa_venus-locker_wannacry.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:1468

Network

  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.214.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.214.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    71.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    71.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    133.211.185.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    133.211.185.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    50.23.12.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    50.23.12.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.210.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.210.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    30.243.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    30.243.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    25.140.123.92.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    25.140.123.92.in-addr.arpa
    IN PTR
    Response
    25.140.123.92.in-addr.arpa
    IN PTR
    a92-123-140-25deploystaticakamaitechnologiescom
No results found
  • 8.8.8.8:53
    104.219.191.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    104.219.191.52.in-addr.arpa

  • 8.8.8.8:53
    172.214.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.214.232.199.in-addr.arpa

  • 8.8.8.8:53
    71.159.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    71.159.190.20.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    133.211.185.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    133.211.185.52.in-addr.arpa

  • 8.8.8.8:53
    50.23.12.20.in-addr.arpa
    dns
    70 B
    156 B
    1
    1

    DNS Request

    50.23.12.20.in-addr.arpa

  • 8.8.8.8:53
    198.187.3.20.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    198.187.3.20.in-addr.arpa

  • 8.8.8.8:53
    172.210.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.210.232.199.in-addr.arpa

  • 8.8.8.8:53
    30.243.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    30.243.111.52.in-addr.arpa

  • 8.8.8.8:53
    25.140.123.92.in-addr.arpa
    dns
    72 B
    137 B
    1
    1

    DNS Request

    25.140.123.92.in-addr.arpa

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/1468-0-0x0000000000430000-0x0000000000437000-memory.dmp

    Filesize

    28KB

  • memory/1468-3-0x0000000140000000-0x000000014003E000-memory.dmp

    Filesize

    248KB

  • memory/1468-14-0x0000000000820000-0x0000000000825000-memory.dmp

    Filesize

    20KB

  • memory/1468-11-0x0000000000830000-0x0000000000834000-memory.dmp

    Filesize

    16KB

  • memory/1468-5-0x0000000000820000-0x0000000000825000-memory.dmp

    Filesize

    20KB

  • memory/1468-4-0x0000000000820000-0x0000000000825000-memory.dmp

    Filesize

    20KB

  • memory/1468-1-0x0000000000830000-0x0000000000834000-memory.dmp

    Filesize

    16KB

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