Analysis

  • max time kernel
    120s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 01:58

General

  • Target

    b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687.exe

  • Size

    91KB

  • MD5

    4516d516dcf02b03d700312e4af2b58f

  • SHA1

    8a36bd779bfba8a87b5d8ee8e6c0d7c0a4faa3ca

  • SHA256

    b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687

  • SHA512

    0709c4069670d24c96d32f47fbf8a0eb0b3484cdce07205f5d2640b9b852fa8d0b1fda1b93d2858062ad76c44778cbc68ee831f3919e82422197c64e9a698f39

  • SSDEEP

    1536:rMuBw+olasjN0Fu8MmiGRwOFSe4808VxdHDYIEgr69cmoLu0t0H:rMuBwsshLW/j4v8PdHsX9cmoLu0Y

Score
10/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

OP

C2

20.117.108.240:5612

Mutex

HssS7dvHeccj

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#.

  • Detects file containing reversed ASEP Autorun registry keys 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687.exe
    "C:\Users\Admin\AppData\Local\Temp\b010fc8a5324e8c3f72bd5884f5f31cbc02dcb9df573cf5a82405560f4927687.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:956
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      #system32
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1700

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab2686.tmp

    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • memory/956-4-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/956-1-0x0000000000BE0000-0x0000000000BFE000-memory.dmp

    Filesize

    120KB

  • memory/956-30-0x0000000073EB0000-0x000000007459E000-memory.dmp

    Filesize

    6.9MB

  • memory/956-0-0x0000000073EBE000-0x0000000073EBF000-memory.dmp

    Filesize

    4KB

  • memory/1700-13-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1700-6-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1700-5-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1700-3-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1700-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1700-2-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1700-11-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB

  • memory/1700-9-0x0000000000400000-0x0000000000412000-memory.dmp

    Filesize

    72KB