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Analysis

  • max time kernel
    140s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/12/2024, 00:10

General

  • Target

    latencyx.exe

  • Size

    45KB

  • MD5

    f4c46528fb0b51636d9c5860e0e4048e

  • SHA1

    76c0d55950b8e8995f0cc75d35f620f39d13ae1b

  • SHA256

    2ac2e1571a16168fb4ca930eb4b1a27fdbbff15f87384c13565f44fc22c4a8c7

  • SHA512

    aa6f1833ff1367bf938c2d52227707fb64c6ceaa5acbffd879150b094fc5a6b163e777ddbb7cc6cb33c3c15ec61ae7dbfc8c6462cf574bff43c88bf207fc80b9

  • SSDEEP

    768:GuEs9THvkHCWU0neImo2q88maPol53APIkzjb+gX3i90yHCFB/JkAX1kBDZSx:GuEs9THc72cfob3lk3bBXS908CFnkAXh

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

t1euvzy.localto.net:2171

t1euvzy.localto.net:55065

Mutex

ZpDC6oZwIVKp

Attributes
  • delay

    3

  • install

    false

  • install_file

    dwmm.exe

  • install_folder

    %AppData%

aes.plain

Signatures

  • AsyncRat

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

  • Asyncrat family
  • Deletes itself 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\latencyx.exe
    "C:\Users\Admin\AppData\Local\Temp\latencyx.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ""C:\Users\Admin\AppData\Local\Temp\tmpCFF4.tmp.bat""
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1728
      • C:\Windows\SysWOW64\timeout.exe
        timeout 3
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\CabE542.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarCEE8.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • C:\Users\Admin\AppData\Local\Temp\tmpCFF4.tmp.bat

    Filesize

    160B

    MD5

    bdcc475b8a9c0e645747339c534e9cf8

    SHA1

    414a566813ed2c90a8e7799536069089a892a962

    SHA256

    165ac5ded592e2458d87a2d074443af520ba7b0612c1ef372cc014574915affd

    SHA512

    c1d27f439328b4ea4c63d0cf7e8980db29c6021d04d9df8f9af19ca4e0786ea34241f38d0c6712a8c3b6f78eacc96c627fa30f7a085228efb563030e878ab2bf

  • memory/2008-0-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/2008-1-0x00000000013D0000-0x00000000013E2000-memory.dmp

    Filesize

    72KB

  • memory/2008-2-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2008-3-0x000000007463E000-0x000000007463F000-memory.dmp

    Filesize

    4KB

  • memory/2008-20-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB

  • memory/2008-22-0x0000000005380000-0x00000000053E4000-memory.dmp

    Filesize

    400KB

  • memory/2008-49-0x0000000074630000-0x0000000074D1E000-memory.dmp

    Filesize

    6.9MB