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Analysis

  • max time kernel
    149s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2023, 22:03

General

  • Target

    SOA.exe

  • Size

    810KB

  • MD5

    e1666e6dc5b74fede5b52d19b6ed5eb3

  • SHA1

    4629695826687cf1aaedbd0de805ee672ca28b78

  • SHA256

    a4ed69b3f398c38bef69c796dd57f40b6d110fce97d84802b9a2e6b77d07c93f

  • SHA512

    32f34f4c373397eacb0f413d3c8121aa54cdaacde1c73adbd780d0d5cc3ed6c63c03a9639ccea98c5348010e08f11bbf8fe1f434f95663b6abccdc793a9899b8

  • SSDEEP

    12288:X2cxVYgO6MavWMO6MavWmn+Au5SjIoya5EyCdoPIeSq8057HuJ5dx:X2cHO6MavWMO6MavWOlOvF6LR5zY5dx

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1168
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CNVYvSgi" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDD27.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4624
    • C:\Users\Admin\AppData\Local\Temp\SOA.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1KB

    MD5

    17573558c4e714f606f997e5157afaac

    SHA1

    13e16e9415ceef429aaf124139671ebeca09ed23

    SHA256

    c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

    SHA512

    f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

  • C:\Users\Admin\AppData\Local\Temp\tmpDD27.tmp

    Filesize

    1KB

    MD5

    d303a3e75b1e0d324a6ff606037cf7ca

    SHA1

    ba03316fce892a504dc134b0d0d5671983f7e204

    SHA256

    9cba959cf86e9f6e0a519e8154eb4c16925ca278cf22c21580a65cf254fbbf50

    SHA512

    8fc242d38330623c92e5a1794f5e31bc94850883ec4ee4c20570e226859c0e29c2fe45405a872e6e6b0fe9228001c66a6d24c005e4392b7813a6bd8d451d55e8

  • memory/1168-5-0x0000000005510000-0x0000000005520000-memory.dmp

    Filesize

    64KB

  • memory/1168-2-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-4-0x00000000053C0000-0x0000000005452000-memory.dmp

    Filesize

    584KB

  • memory/1168-0-0x00000000007F0000-0x00000000008C0000-memory.dmp

    Filesize

    832KB

  • memory/1168-6-0x0000000005350000-0x000000000535A000-memory.dmp

    Filesize

    40KB

  • memory/1168-7-0x0000000005460000-0x00000000054B6000-memory.dmp

    Filesize

    344KB

  • memory/1168-8-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-9-0x0000000005510000-0x0000000005520000-memory.dmp

    Filesize

    64KB

  • memory/1168-10-0x0000000000990000-0x00000000009A4000-memory.dmp

    Filesize

    80KB

  • memory/1168-11-0x0000000005F30000-0x0000000005FA8000-memory.dmp

    Filesize

    480KB

  • memory/1168-12-0x0000000008300000-0x0000000008342000-memory.dmp

    Filesize

    264KB

  • memory/1168-3-0x00000000058D0000-0x0000000005E74000-memory.dmp

    Filesize

    5.6MB

  • memory/1168-21-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/1168-1-0x0000000005280000-0x000000000531C000-memory.dmp

    Filesize

    624KB

  • memory/4932-19-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4932-20-0x0000000005490000-0x00000000054A0000-memory.dmp

    Filesize

    64KB

  • memory/4932-22-0x0000000005680000-0x00000000056E6000-memory.dmp

    Filesize

    408KB

  • memory/4932-24-0x0000000006B60000-0x0000000006BB0000-memory.dmp

    Filesize

    320KB

  • memory/4932-25-0x0000000074610000-0x0000000074DC0000-memory.dmp

    Filesize

    7.7MB

  • memory/4932-26-0x0000000005490000-0x00000000054A0000-memory.dmp

    Filesize

    64KB