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Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    05/10/2023, 08:30

General

  • Target

    Doc.exe

  • Size

    720KB

  • MD5

    6fac1d175f51ebf8890cc785e2eefdaf

  • SHA1

    aa50651bfc4f3c2be45f42dda737ac8f5a42b6f5

  • SHA256

    a94bcff5683c5d1b1a3cead3d8236c98590ba2ea9b9018d4cc5ff9b67f08dc4e

  • SHA512

    ffdedb550a54a943c35a75308d0d6282141d540b3aefd564258a69a84bb20e076564afb89f674648f7723110bf781da80b9a6ab7dc08227ab129870d3ad83971

  • SSDEEP

    12288:XMYnQ3j67SESV1eXl8OhA90G/zoEVEKM3vmVFw3Bzfm8nH9X4OvJq4BTaeec7KEC:XBGpOP9f5nH9IO8IeN9EPOQ+zYe

Score
7/10

Malware Config

Signatures

  • Drops startup file 2 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Doc.exe
    "C:\Users\Admin\AppData\Local\Temp\Doc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Doc.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2640
    • C:\Users\Admin\AppData\Local\Temp\Doc.exe
      "C:\Users\Admin\AppData\Local\Temp\Doc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2512-64-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2512-68-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2512-80-0x0000000073750000-0x0000000073E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2512-62-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2512-66-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2512-76-0x0000000073750000-0x0000000073E3E000-memory.dmp

    Filesize

    6.9MB

  • memory/2512-75-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2512-72-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2512-81-0x00000000022D0000-0x0000000002310000-memory.dmp

    Filesize

    256KB

  • memory/2512-67-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2512-70-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2640-77-0x00000000024D0000-0x0000000002510000-memory.dmp

    Filesize

    256KB

  • memory/2640-57-0x000000006EE80000-0x000000006F42B000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-79-0x000000006EE80000-0x000000006F42B000-memory.dmp

    Filesize

    5.7MB

  • memory/2640-61-0x00000000024D0000-0x0000000002510000-memory.dmp

    Filesize

    256KB

  • memory/2640-60-0x00000000024D0000-0x0000000002510000-memory.dmp

    Filesize

    256KB

  • memory/2640-58-0x000000006EE80000-0x000000006F42B000-memory.dmp

    Filesize

    5.7MB

  • memory/2996-28-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-42-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-52-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-50-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-46-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-44-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-40-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-36-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-32-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-30-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-26-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-24-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-20-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-18-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-54-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-48-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-59-0x0000000000930000-0x0000000000931000-memory.dmp

    Filesize

    4KB

  • memory/2996-56-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-38-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-34-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-0-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2996-22-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-16-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-14-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-12-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-73-0x0000000074A50000-0x000000007513E000-memory.dmp

    Filesize

    6.9MB

  • memory/2996-10-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-8-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-7-0x00000000009D0000-0x00000000009F3000-memory.dmp

    Filesize

    140KB

  • memory/2996-6-0x00000000009D0000-0x00000000009FA000-memory.dmp

    Filesize

    168KB

  • memory/2996-3-0x0000000000C10000-0x0000000000C50000-memory.dmp

    Filesize

    256KB

  • memory/2996-2-0x00000000045A0000-0x000000000462A000-memory.dmp

    Filesize

    552KB

  • memory/2996-1-0x0000000000D00000-0x0000000000DB8000-memory.dmp

    Filesize

    736KB