Overview

overview

10

Static

static

PAYMEN~0.SCR

windows7_x64

10

PAYMEN~0.SCR

windows10_x64

10

Analysis

  • max time kernel
    130s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    19-10-2021 05:47

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General

  • Target

    PAYMEN~0.SCR

  • Size

    92KB

  • MD5

    fd8a66ce8c50c375cca9bd9b5408e173

  • SHA1

    ef344ca7340100a9cc1ec8049fcdaafad9b70422

  • SHA256

    1018aa0f641a722fc61ac3135050ab53f6562f6050b40c679d02b2f8b745960f

  • SHA512

    73b0c9e8f53b24eef223e4565cee232f94f4ee4df61836e734793cb534ae3a4cb8ef72b2febdb8fbefedb173f3a9ca5355bba9512d1825eea980652030456a4b

Score
10/10
agentteslaguloaderdownloaderkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.tccinfaes.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    TccBps1427log

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

    downloaderguloader
  • AgentTesla Payload 2 IoCs
  • Checks QEMU agent file 2 TTPs 2 IoCs

    Checks presence of QEMU agent, possibly to detect virtualization.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PAYMEN~0.SCR
    "C:\Users\Admin\AppData\Local\Temp\PAYMEN~0.SCR" /S
    1⤵
    • Checks QEMU agent file
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3084
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
      "C:\Users\Admin\AppData\Local\Temp\PAYMEN~0.SCR" /S
      2⤵
        PID:4208
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe
        "C:\Users\Admin\AppData\Local\Temp\PAYMEN~0.SCR" /S
        2⤵
        • Checks QEMU agent file
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4216

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Web Service

    1
    T1102

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3084-121-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

      Download
    • memory/3084-116-0x0000000000470000-0x000000000047A000-memory.dmp
      Filesize

      40KB

      Download
    • memory/3084-117-0x0000000002B30000-0x0000000002B41000-memory.dmp
      Filesize

      68KB

      Download
    • memory/3084-119-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

      Download
    • memory/3084-118-0x00007FFDD8870000-0x00007FFDD8A4B000-memory.dmp
      Filesize

      1.9MB

      Download
    • memory/3084-115-0x0000000000470000-0x0000000000476000-memory.dmp
      Filesize

      24KB

      Download
    • memory/3084-122-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

      Download
    • memory/4216-123-0x0000000001300000-0x0000000001400000-memory.dmp
      Filesize

      1024KB

      Download
    • memory/4216-120-0x0000000000EB768E-mapping.dmp
      Download
    • memory/4216-124-0x00007FFDD8870000-0x00007FFDD8A4B000-memory.dmp
      Filesize

      1.9MB

      Download
    • memory/4216-125-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

      Download
    • memory/4216-126-0x0000000000400000-0x0000000000553000-memory.dmp
      Filesize

      1.3MB

      Download
    • memory/4216-127-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/4216-128-0x0000000000400000-0x0000000000401000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4216-130-0x0000000020D10000-0x0000000020D11000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4216-131-0x0000000020970000-0x0000000020971000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4216-132-0x00000000205E0000-0x00000000205E1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4216-133-0x0000000000F20000-0x0000000000F21000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4216-134-0x0000000001270000-0x0000000001271000-memory.dmp
      Filesize

      4KB

      Download