Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09-11-2020 19:36

General

  • Target

    REQUEST FOR QUOTATION MV PAVINO TRADER.exe

  • Size

    466KB

  • MD5

    714533814adecf2a707d8292647e4cd7

  • SHA1

    8916de8ce4af1ff7411edaaa446c50e2e537ca84

  • SHA256

    16a372b8bf67ed98f8065274e22b1c36ad0b0a6fbd8a8a4a4afb0e9b07665612

  • SHA512

    68d260f432d53b8208fd8bc18a7b24f7b8898fcf158406d4b8c5b7762a91ed12879749524bba6ddd1f5daf8ded5c69d643e95a9ce35ce1871f4319ef77eb485d

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    info.pana@yandex.com
  • Password:
    user@12345

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    info.pana@yandex.com
  • Password:
    user@12345

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • rezer0 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION MV PAVINO TRADER.exe
    "C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION MV PAVINO TRADER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3984
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zYnKKz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5375.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3416
    • C:\Users\Admin\AppData\Local\Temp\REQUEST FOR QUOTATION MV PAVINO TRADER.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:188
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:912

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Credential Access

    Credentials in Files

    3
    T1081

    Discovery

    System Information Discovery

    1
    T1082

    Collection

    Data from Local System

    3
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp5375.tmp
      MD5

      36792355eaa903de9b4a6d23f9c55679

      SHA1

      38203a8acc01247a18fe729e2a95b3bee752ad78

      SHA256

      3d7dc1bb080269b35c2f563181c09324af6ef93a1558514a05e9d3b7099249d7

      SHA512

      454b5643a6c23b860e761e3a451b4512ba15eff296b529a99cdde22b798605045e63b4d4a423a868281a16f70d071295c1213367dfeb90462504db0e2ffbcb4f

    • memory/188-19-0x00000000064A0000-0x00000000064A1000-memory.dmp
      Filesize

      4KB

    • memory/188-18-0x0000000005EF0000-0x0000000005EF1000-memory.dmp
      Filesize

      4KB

    • memory/188-13-0x0000000073920000-0x000000007400E000-memory.dmp
      Filesize

      6.9MB

    • memory/188-12-0x000000000044C7DE-mapping.dmp
    • memory/188-11-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/912-20-0x0000000000000000-mapping.dmp
    • memory/3416-9-0x0000000000000000-mapping.dmp
    • memory/3984-0-0x0000000073920000-0x000000007400E000-memory.dmp
      Filesize

      6.9MB

    • memory/3984-8-0x000000000A8A0000-0x000000000A8F3000-memory.dmp
      Filesize

      332KB

    • memory/3984-7-0x000000000A7D0000-0x000000000A7D1000-memory.dmp
      Filesize

      4KB

    • memory/3984-6-0x0000000002720000-0x0000000002723000-memory.dmp
      Filesize

      12KB

    • memory/3984-5-0x0000000004E00000-0x0000000004E01000-memory.dmp
      Filesize

      4KB

    • memory/3984-4-0x0000000007260000-0x0000000007261000-memory.dmp
      Filesize

      4KB

    • memory/3984-3-0x0000000007760000-0x0000000007761000-memory.dmp
      Filesize

      4KB

    • memory/3984-1-0x0000000000400000-0x0000000000401000-memory.dmp
      Filesize

      4KB