Analysis

  • max time kernel
    141s
  • max time network
    35s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    27-07-2021 13:07

General

  • Target

    quotation.exe

  • Size

    669KB

  • MD5

    8b0af96231dd7b5f99c1d51037dc0219

  • SHA1

    44e2961033d6dcf08c9eec519d4aba1f3f786f2c

  • SHA256

    0a4331bb70c63296d2f975bad0903c1c9c539c1f9d349a187bfaf2633b3c06e2

  • SHA512

    27933987bc28a37667aa7afac221ef242ebe5c5a8cc8c9ae55cde22dfd54dd4fb785a76d85510b74b44ff268875db95d000555b1c95db4567f1457f11faf7c1b

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vivaldi.net
  • Port:
    587
  • Username:
    vicanto@vivaldi.net
  • Password:
    @GoodLogs@321

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\quotation.exe
    "C:\Users\Admin\AppData\Local\Temp\quotation.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2008
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1656

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1656-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1656-67-0x000000000043758E-mapping.dmp
  • memory/1656-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1656-70-0x0000000000B10000-0x0000000000B11000-memory.dmp
    Filesize

    4KB

  • memory/1656-71-0x0000000000B11000-0x0000000000B12000-memory.dmp
    Filesize

    4KB

  • memory/2008-60-0x0000000000D30000-0x0000000000D31000-memory.dmp
    Filesize

    4KB

  • memory/2008-62-0x0000000000680000-0x0000000000681000-memory.dmp
    Filesize

    4KB

  • memory/2008-63-0x0000000000350000-0x000000000035B000-memory.dmp
    Filesize

    44KB

  • memory/2008-64-0x0000000005A30000-0x0000000005AAE000-memory.dmp
    Filesize

    504KB

  • memory/2008-65-0x0000000000640000-0x000000000067D000-memory.dmp
    Filesize

    244KB