Analysis

  • max time kernel
    117s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    02-08-2024 09:56

General

  • Target

    604d6dba1da5eb3a4d3f27c641448da0.exe

  • Size

    47KB

  • MD5

    604d6dba1da5eb3a4d3f27c641448da0

  • SHA1

    53aafcdd5234cb005f11f7fb1afb7a9ec9ad95c6

  • SHA256

    64539c58f1e8babc9f0e58212a8db5ef4242156da46471372e2b86460620e00c

  • SHA512

    2fd4895da2626f63eb18ee77ea7f54b265b034f3dadd96bd0c1fda32c707be587dd381fb3f56f2a49487541a5b35219ab4bb6e31648bad4924aded38f903fb6a

  • SSDEEP

    768:BcYDWqy1LKdbkSh3LdjjXnr7s8hOVqPzlRjb5gXGi3mwp3J9MddcRRIf+:BZDWqyRKdbkS/XX1PrlBbWXv3mwuOXIm

Malware Config

Extracted

Family

asyncrat

Version

false

Botnet

VirusTotal

Mutex

AIwdT1or1ss3

Attributes
  • delay

    3

  • install

    false

  • install_file

    heze.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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.

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\604d6dba1da5eb3a4d3f27c641448da0.exe
    "C:\Users\Admin\AppData\Local\Temp\604d6dba1da5eb3a4d3f27c641448da0.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    PID:1724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabB02F.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar8FB.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1724-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/1724-1-0x00000000003E0000-0x00000000003F2000-memory.dmp

    Filesize

    72KB

  • memory/1724-2-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/1724-19-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/1724-20-0x0000000074C90000-0x000000007537E000-memory.dmp

    Filesize

    6.9MB

  • memory/1724-21-0x0000000000560000-0x000000000056E000-memory.dmp

    Filesize

    56KB