Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-12-2024 18:24

General

  • Target

    AsyncClient.exe

  • Size

    47KB

  • MD5

    a79b236f247496d02585bbcbc894404c

  • SHA1

    0ff1c089900d496ae752ca4cf6b46be4f8b15def

  • SHA256

    6bce48fd3cc14863d0383503c4820e3a3b1d3716612bee0891fc54d119d382e3

  • SHA512

    3fca2d384add9c9c16dd09c48838e3bd1a84191ac26124c06efead9ec23c1be41d8e6ddce8cbda17f7b0a399f936cd648f244c87ae5f63a91d918219cec5f178

  • SSDEEP

    768:auSEa5TAYOTSWUkC+zmo2qLpM5TsSh/YQBWzkH0b08UOtGc1tun3L7cDZtf+:auSEa5TAxv2OTSh/YQAz/b08ZtGEU7gS

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

127.0.0.1:9003

notthesigma-50237.portmap.host:6606

notthesigma-50237.portmap.host:7707

notthesigma-50237.portmap.host:8808

notthesigma-50237.portmap.host:9003

Mutex

oggJOfXbwpIe

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe
    "C:\Users\Admin\AppData\Local\Temp\AsyncClient.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3680-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/3680-1-0x0000000000C20000-0x0000000000C32000-memory.dmp

    Filesize

    72KB

  • memory/3680-2-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB

  • memory/3680-3-0x00000000055A0000-0x0000000005606000-memory.dmp

    Filesize

    408KB

  • memory/3680-4-0x0000000005A60000-0x0000000005AFC000-memory.dmp

    Filesize

    624KB

  • memory/3680-5-0x00000000746EE000-0x00000000746EF000-memory.dmp

    Filesize

    4KB

  • memory/3680-6-0x00000000746E0000-0x0000000074E90000-memory.dmp

    Filesize

    7.7MB