Analysis

  • max time kernel
    141s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    21-11-2022 12:50

General

  • Target

    rdpclient.exe

  • Size

    113KB

  • MD5

    8737c6601c30b2ed49b51d6b53e2ea3e

  • SHA1

    d9521390d87bd895c78d16f573bfa6863ce46e2c

  • SHA256

    9a952abaa9e8bc4676e2c8e53774d15198e4b9163bebf37a0bc2e238e49f2f98

  • SHA512

    ab451844a8d6d57e34b2825db9bc8c669a1dd83db6bb7d98b37919da26a45b815d9c1544eed00eea8190255dc9edc7f42cdb5dde8f92b9df14309a3cbcad1ec2

  • SSDEEP

    1536:lxhjgDHJewOvXuhi3ugCXjQzZ28Tx4rUbu60l+uMh8c9n5P3vrOTaTlonDQgWPI:la4aU39FHTx4rd60fS8cd5P3viCYDQ0

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Modifies extensions of user files 14 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Drops startup file 1 IoCs
  • 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 2 IoCs
  • Enumerates connected drives 3 TTPs 24 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\rdpclient.exe
    "C:\Users\Admin\AppData\Local\Temp\rdpclient.exe"
    1⤵
    • Modifies extensions of user files
    • Drops startup file
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:1896

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1896-54-0x0000000000110000-0x0000000000114000-memory.dmp
    Filesize

    16KB

  • memory/1896-55-0x000000013FDD0000-0x000000013FDE7000-memory.dmp
    Filesize

    92KB

  • memory/1896-58-0x0000000000110000-0x0000000000114000-memory.dmp
    Filesize

    16KB

  • memory/1896-57-0x0000000000100000-0x0000000000105000-memory.dmp
    Filesize

    20KB

  • memory/1896-56-0x00000000000E0000-0x00000000000E7000-memory.dmp
    Filesize

    28KB