Resubmissions

26-09-2024 06:42

240926-hgnp9ashkk 10

25-09-2024 16:40

240925-t6kwfayfph 10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 16:40

General

  • Target

    bazaar.2020.02/HEUR-Backdoor.MSIL.Crysan.exe

  • Size

    46KB

  • MD5

    b0ccfc015178530287777e5feae9a884

  • SHA1

    4b688412891cd85a7dd507134e8d5f7d81163ab9

  • SHA256

    5be5dbcf6753c5607b5c95bf93e71f1d71fcb2c6ff691f949e237bc6df77a34a

  • SHA512

    c837315f3481636872bf642729ebcc9b286fb834099ef488dd8f1f4f5cf589b9a8ca18718ff4a14d1c4ff95c33e29239475dace168156125fdaf85da3b737f15

  • SSDEEP

    768:8qLytbXZ+uuTkOicvHk3eHlWMPbPgF0qoW/0aYaMtiYI6OC62tYcFmVc6K:8HuTXvZH0ub4FrlMaYaMw6OPKmVcl

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.6A

Botnet

null

C2

62.108.37.42:8808

Mutex

NcRfUjXn2r5u8x/A?D*G-KaPdSgVkYp3s6v9y$B&E)H+MbQeThWmZq4t7w!z%C*

Attributes
  • delay

    3

  • install

    false

  • install_file

    Main.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Backdoor.MSIL.Crysan.exe
    "C:\Users\Admin\AppData\Local\Temp\bazaar.2020.02\HEUR-Backdoor.MSIL.Crysan.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:868

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/868-0-0x000007FEF5A13000-0x000007FEF5A14000-memory.dmp

    Filesize

    4KB

  • memory/868-1-0x0000000000F60000-0x0000000000F72000-memory.dmp

    Filesize

    72KB

  • memory/868-2-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

    Filesize

    9.9MB

  • memory/868-3-0x000007FEF5A13000-0x000007FEF5A14000-memory.dmp

    Filesize

    4KB

  • memory/868-4-0x000007FEF5A10000-0x000007FEF63FC000-memory.dmp

    Filesize

    9.9MB