Analysis

  • max time kernel
    127s
  • max time network
    120s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • 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 4 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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:2744
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
        PID:3648
      • 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:380

    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/380-124-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/380-135-0x00000000055A0000-0x0000000005A9E000-memory.dmp
      Filesize

      5.0MB

    • memory/380-132-0x0000000006200000-0x0000000006201000-memory.dmp
      Filesize

      4KB

    • memory/380-131-0x0000000005570000-0x0000000005571000-memory.dmp
      Filesize

      4KB

    • memory/380-130-0x00000000055A0000-0x0000000005A9E000-memory.dmp
      Filesize

      5.0MB

    • memory/380-125-0x000000000043761E-mapping.dmp
    • memory/2744-119-0x0000000005770000-0x0000000005C6E000-memory.dmp
      Filesize

      5.0MB

    • memory/2744-123-0x0000000007E70000-0x0000000007EC8000-memory.dmp
      Filesize

      352KB

    • memory/2744-122-0x0000000005C50000-0x0000000005C58000-memory.dmp
      Filesize

      32KB

    • memory/2744-121-0x0000000007B70000-0x0000000007B71000-memory.dmp
      Filesize

      4KB

    • memory/2744-120-0x0000000005720000-0x0000000005721000-memory.dmp
      Filesize

      4KB

    • memory/2744-115-0x0000000000CA0000-0x0000000000CA1000-memory.dmp
      Filesize

      4KB

    • memory/2744-118-0x0000000005680000-0x0000000005681000-memory.dmp
      Filesize

      4KB

    • memory/2744-117-0x0000000005C70000-0x0000000005C71000-memory.dmp
      Filesize

      4KB