Resubmissions

19-12-2023 11:13

231219-nbvjhaadcp 10

19-12-2023 10:58

231219-m2x7msgfbp 10

17-12-2023 09:31

231217-lhgj4sfef4 10

18-10-2023 12:14

231018-pem49sfg83 10

Analysis

  • max time kernel
    1050s
  • max time network
    877s
  • platform
    windows10-1703_x64
  • resource
    win10-20231215-en
  • resource tags

    arch:x64arch:x86image:win10-20231215-enlocale:en-usos:windows10-1703-x64system
  • submitted
    17-12-2023 09:31

General

  • Target

    1fd42d07b4be99e0e503c0ed5af2274312be1b03e01b54a6d89c0eef04257d6e.exe

  • Size

    14.9MB

  • MD5

    97abffeaa7bdfaa81532bd6028498225

  • SHA1

    26ab576a0abf7085ecf6321a311a7b3088ee48ae

  • SHA256

    1fd42d07b4be99e0e503c0ed5af2274312be1b03e01b54a6d89c0eef04257d6e

  • SHA512

    af271b15a4f64ac4965cc75f7531e28d3ea0abc90d16ae4654251a301d1a3a0b10d80b205dc626b8866c976ffacdace74f71711c73ef1240d867aeb09c47cc75

  • SSDEEP

    196608:aMygJ9edfbhSo5Kp8qPKlL8QgYVhqhOM8qTsSqwLM:7XJ9e1wo548qSV5VhKOeTsRwLM

Malware Config

Signatures

  • Azov

    A wiper seeking only damage, first seen in 2022.

  • Renames multiple (139) files with added filename extension

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

  • 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
  • Drops file in Windows directory 2 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fd42d07b4be99e0e503c0ed5af2274312be1b03e01b54a6d89c0eef04257d6e.exe
    "C:\Users\Admin\AppData\Local\Temp\1fd42d07b4be99e0e503c0ed5af2274312be1b03e01b54a6d89c0eef04257d6e.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Program Files directory
    PID:228
  • C:\Windows\system32\taskmgr.exe
    "C:\Windows\system32\taskmgr.exe" /4
    1⤵
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    PID:2792

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

  • C:\ProgramData\rdpclient.exe

    Filesize

    101KB

    MD5

    8fc44b25e36e6be0e414bafbc1fe7960

    SHA1

    1c20460502b59c6ab3c7341d24dc6f8bfbae5d48

    SHA256

    89d15462315967b87ca48d09214ecb93c32e98d5bb4279234b3c4d43a5a799d9

    SHA512

    acb91827e40b7c25d9dbbf66114c81be879a5e93ccb46ed2209a6cf156c9cf953fb601ad3eb272419e539639a215c3e9735890354363cc5710b7bf7d53af8d25

  • memory/228-0-0x0000000000810000-0x0000000000814000-memory.dmp

    Filesize

    16KB

  • memory/228-2-0x00000000007E0000-0x00000000007E7000-memory.dmp

    Filesize

    28KB

  • memory/228-3-0x0000000000800000-0x0000000000805000-memory.dmp

    Filesize

    20KB

  • memory/228-4-0x0000000140000000-0x000000014003E000-memory.dmp

    Filesize

    248KB

  • memory/228-8-0x0000000000810000-0x0000000000814000-memory.dmp

    Filesize

    16KB

  • memory/228-13-0x0000000000800000-0x0000000000805000-memory.dmp

    Filesize

    20KB

  • memory/228-11-0x0000000000800000-0x0000000000805000-memory.dmp

    Filesize

    20KB