Analysis

  • max time kernel
    118s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    27-06-2024 16:55

General

  • Target

    download.exe

  • Size

    62KB

  • MD5

    03f5e6705fc4facf9bd54ec5b4fe75a3

  • SHA1

    c11f97aae39b7b7949dc1d4f1ae60b7be26702ed

  • SHA256

    ad2c029407cebf926900436721a48f42afb91768b15c7d2e3e584cb766661bd2

  • SHA512

    188fab951618a9bf702094749a86553965451ac07ffd8df7aa4b00b10b6a0825743de48c956100b4051e1f16cc6a8b2be6338e5a6c4e87aff3eda60562f97823

  • SSDEEP

    1536:2206UX9kGYrsVqfhuD2a/d97IURE8vU6a5NEG75bfAg6SoKlX4a8rBTRVx:2206UX9kSE8vU6a5iG75bfRXlITJvx

Malware Config

Extracted

Family

asyncrat

Version

AWS | 3Losh

Botnet

newjop

C2

backwork07.ddns.net:6666

Mutex

AsyncMutex_raTMpP7xS21cDAE8

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#.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\download.exe
    "C:\Users\Admin\AppData\Local\Temp\download.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1492

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\Tar3A3A.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • memory/1492-0-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

    Filesize

    4KB

  • memory/1492-1-0x0000000000D00000-0x0000000000D16000-memory.dmp

    Filesize

    88KB

  • memory/1492-2-0x0000000074E20000-0x000000007550E000-memory.dmp

    Filesize

    6.9MB

  • memory/1492-40-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

    Filesize

    4KB

  • memory/1492-41-0x0000000074E20000-0x000000007550E000-memory.dmp

    Filesize

    6.9MB

  • memory/1492-42-0x00000000058F0000-0x000000000595C000-memory.dmp

    Filesize

    432KB

  • memory/1492-63-0x00000000006F0000-0x00000000006FA000-memory.dmp

    Filesize

    40KB