Analysis

  • max time kernel
    146s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2023 03:08

General

  • Target

    Documents as requested.exe

  • Size

    485KB

  • MD5

    50311ff6eb80e091b52c9ebbbfb547bb

  • SHA1

    70459f69b084245b134cedfc85976afdddfe14b7

  • SHA256

    3eec13f6fb9ce1abc82e49e06a982870c92673ed4adc456a361e7fdbd3be3c62

  • SHA512

    0179ff768e0457059138bb019447db6088399f8261f38e072cc3ed162b02b4b82a9773e6cc52ec5e08c8e50676565d046684149a60887b7e621685ac49af7908

  • SSDEEP

    6144:VJ370VLTZhoYXsxkgl0esTus8OEL+m5eAuOZCGHua01J+R5VAMdlKBHzjLz0S+hL:VJ37KJivNvB+m5lCV31J+RHAK4lzgCU

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://files.000webhost.com
  • Port:
    21
  • Username:
    tain00
  • Password:
    computer@2020

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe
    "C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe
      "C:\Users\Admin\AppData\Local\Temp\Documents as requested.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:668

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Documents as requested.exe.log

    Filesize

    1KB

    MD5

    8c2da65103d6b46d8cf610b118210cf0

    SHA1

    9db4638340bb74f2af3161cc2c9c0b8b32e6ab65

    SHA256

    0e48e2efd419951e0eb9a8d942493cfdf5540d1d19ff9dae6f145fb3ebcbeeac

    SHA512

    3cf5a125276e264cd8478f2b92d3848fb68b96d46eb4a39e650d09df02068c274881a1c314cdfbfdcb452672fb70dd8becf3ffe9562d39919d9c4d6b07fbb614

  • memory/392-1-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/392-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

    Filesize

    5.6MB

  • memory/392-3-0x0000000005890000-0x0000000005922000-memory.dmp

    Filesize

    584KB

  • memory/392-4-0x0000000005840000-0x000000000584A000-memory.dmp

    Filesize

    40KB

  • memory/392-6-0x0000000005B30000-0x0000000005B88000-memory.dmp

    Filesize

    352KB

  • memory/392-5-0x0000000005B20000-0x0000000005B30000-memory.dmp

    Filesize

    64KB

  • memory/392-7-0x0000000005930000-0x0000000005970000-memory.dmp

    Filesize

    256KB

  • memory/392-8-0x0000000005B90000-0x0000000005BD0000-memory.dmp

    Filesize

    256KB

  • memory/392-9-0x0000000005BD0000-0x0000000005C1C000-memory.dmp

    Filesize

    304KB

  • memory/392-0-0x0000000000E20000-0x0000000000EA0000-memory.dmp

    Filesize

    512KB

  • memory/392-15-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/668-11-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/668-16-0x0000000005620000-0x0000000005630000-memory.dmp

    Filesize

    64KB

  • memory/668-14-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/668-17-0x0000000005900000-0x0000000005966000-memory.dmp

    Filesize

    408KB

  • memory/668-18-0x0000000006600000-0x0000000006650000-memory.dmp

    Filesize

    320KB

  • memory/668-19-0x00000000066F0000-0x000000000678C000-memory.dmp

    Filesize

    624KB

  • memory/668-20-0x00000000747B0000-0x0000000074F60000-memory.dmp

    Filesize

    7.7MB

  • memory/668-21-0x0000000005620000-0x0000000005630000-memory.dmp

    Filesize

    64KB