Overview

overview

10

Static

static

STATEMENT ...DF.exe

windows7_x64

10

STATEMENT ...DF.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    139s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 02:53

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General

  • Target

    STATEMENT OF ACCOUNT.PDF.exe

  • Size

    424KB

  • MD5

    f0b3e2a7cef0d4e0c6e094676550221a

  • SHA1

    fc8cddcf6526cd3ee94141b6299c7069ad1b19b0

  • SHA256

    6ae9b8c271b5110c7cceb8b7d39522dd8d444dddcfa3691726ff3580562a73b7

  • SHA512

    3a0f6d6e979871ecdf4cce66e63674ecd32568f0d45f91448b0bb986fccbbf3173734f992d6c0add58c5437fd048e36c4b00bd8efcbcf5c161b35b8c7e26178a

Score
10/10
agentteslaevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.microtechlab.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pune@123

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 1 IoCs
  • Disables Task Manager via registry modification
    evasion
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3368
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eigBEJpNrvdNDs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA325.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2076
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4404
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
        3⤵
        • Modifies registry key
        PID:4640
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:208
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4404 -s 1552
          3⤵
          • Program crash
          PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4404 -ip 4404
      1⤵
        PID:3804

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Initial Access

      Execution

      Scheduled Task

      1
      T1053

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Scheduled Task

      1
      T1053

      Privilege Escalation

      Scheduled Task

      1
      T1053

      Defense Evasion

      Modify Registry

      2
      T1112

      Credential Access

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Lateral Movement

      Collection

      Exfiltration

      Command and Control

      Impact

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpA325.tmp
        Filesize

        1KB

        MD5

        ed373df6fe2e879f3897d43e47199027

        SHA1

        ebc99dfe126e290d07c8316c2a6dd7727cf2470b

        SHA256

        c941757b2c9e6f1053cb410cf725e2e26139fdcb43ba93014005b4dd91232f68

        SHA512

        260b309a8be1fc11387c418e02b70dceba2e099aea52ed66b495271786944cec436a82f9e853b4797f5a56893fcde858e4d4d8c214c1513e4e3794e66c443515

        Download Submit
      • memory/208-141-0x0000000000000000-mapping.dmp
        Download
      • memory/2076-134-0x0000000000000000-mapping.dmp
        Download
      • memory/3368-130-0x0000000000AD0000-0x0000000000B40000-memory.dmp
        Filesize

        448KB

        Download
      • memory/3368-131-0x0000000005470000-0x000000000550C000-memory.dmp
        Filesize

        624KB

        Download
      • memory/3368-132-0x0000000005880000-0x0000000005912000-memory.dmp
        Filesize

        584KB

        Download
      • memory/3368-133-0x00000000060D0000-0x0000000006674000-memory.dmp
        Filesize

        5.6MB

        Download
      • memory/4404-136-0x0000000000000000-mapping.dmp
        Download
      • memory/4404-137-0x0000000000400000-0x0000000000452000-memory.dmp
        Filesize

        328KB

        Download
      • memory/4404-138-0x0000000005CE0000-0x0000000005D46000-memory.dmp
        Filesize

        408KB

        Download
      • memory/4404-140-0x0000000006890000-0x00000000068E0000-memory.dmp
        Filesize

        320KB

        Download
      • memory/4640-139-0x0000000000000000-mapping.dmp
        Download