Overview

overview

10

Static

static

9

USD cSWIFT...79.exe

windows7_x64

10

USD cSWIFT...79.exe

windows10_x64

10

Analysis

  • max time kernel
    61s
  • max time network
    99s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    09/11/2020, 19:55

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General

  • Target
    USD cSWIFT c_SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
  • Size 424KB
  • Sample201109-pccgvx2tes
  • SHA256 ba4587bb7fef7fe60afcde3742183472840eaf7ef122669ae3f94eaad245fd7f
  • MD5 SHA1 SHA512
Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Credentials
  • Protocol

    smtp
  • Host

    mail.candenizcilik.com
  • Port

    587
  • Username

    [email protected]
  • Password

    519025

Extracted

Family

  • agenttesla

Credentials
  • Protocol

    smtp
  • Host

    mail.candenizcilik.com
  • Port

    587
  • Username

    [email protected]
  • Password

    519025

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\USD cSWIFT c_SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe
    "C:\Users\Admin\AppData\Local\Temp\USD cSWIFT c_SCAN TT 190617_2019-NLCIV000003576_ES146009_30309679.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ivDepzq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp80CE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:964
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.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:928

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/188-2-0x0000000000400000-0x0000000000452000-memory.dmp
          Download