Analysis

  • max time kernel
    145s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    25-10-2021 09:46

General

  • Target

    money $.exe

  • Size

    442KB

  • MD5

    ab7585441ef37e3becc9e16291c9a183

  • SHA1

    6d734d333844615524faad5ff0c5c197998e0e95

  • SHA256

    603f8bb918cf97d86b4e20c72ebd9138160475c24e7633b5cc4f7c7739b0203d

  • SHA512

    4ea5f4edb9a37938bd532e6648a372dd0a2b237e663661e7dbcf9b889aa04e9ec6eecd8f03aaf71d77990013a8780b930192e02e5a9394b56cb326451ff0d769

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.upgcambodia.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    stock3168

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\money $.exe
    "C:\Users\Admin\AppData\Local\Temp\money $.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1864

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1420-54-0x0000000000010000-0x0000000000011000-memory.dmp
    Filesize

    4KB

  • memory/1420-56-0x0000000076851000-0x0000000076853000-memory.dmp
    Filesize

    8KB

  • memory/1420-57-0x0000000004C90000-0x0000000004C91000-memory.dmp
    Filesize

    4KB

  • memory/1420-58-0x00000000003B0000-0x00000000003B8000-memory.dmp
    Filesize

    32KB

  • memory/1420-59-0x0000000005060000-0x00000000050B8000-memory.dmp
    Filesize

    352KB

  • memory/1864-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1864-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1864-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1864-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1864-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1864-65-0x000000000043761E-mapping.dmp
  • memory/1864-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1864-68-0x0000000004A60000-0x0000000004A61000-memory.dmp
    Filesize

    4KB

  • memory/1864-69-0x0000000004A61000-0x0000000004A62000-memory.dmp
    Filesize

    4KB