Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/08/2024, 01:31

General

  • Target

    Payment advice.exe

  • Size

    1.1MB

  • MD5

    bc7f5a3ffe1b7377b53f4d3682514224

  • SHA1

    5b86b7ce857b243b96c8344d1357ad5cf1a94cfc

  • SHA256

    fb04094c609fd7ab6e1130443f44d7fb62c5b565a4a8a806413e1e74ba1bf3c1

  • SHA512

    09ba951b07eb916aae012e587a5ceceda763b301096a55b34b837d42f0d38044e0895bfb9d93828cf6979ee34c7927f2adc477a4f0e2284e49501bca25eda483

  • SSDEEP

    24576:yqDEvCTbMWu7rQYlBQcBiT6rprG8aZFFhb7mZQMy:yTvC/MTQYxsWR7aZtb7mz

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment advice.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1612
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment advice.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 684
      2⤵
      • Program crash
      PID:3428
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1612 -ip 1612
    1⤵
      PID:2564

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1612-11-0x0000000001760000-0x0000000001764000-memory.dmp

      Filesize

      16KB

    • memory/4516-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4516-13-0x000000007449E000-0x000000007449F000-memory.dmp

      Filesize

      4KB

    • memory/4516-14-0x0000000005BC0000-0x0000000006164000-memory.dmp

      Filesize

      5.6MB

    • memory/4516-15-0x0000000005680000-0x00000000056E6000-memory.dmp

      Filesize

      408KB

    • memory/4516-16-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB

    • memory/4516-17-0x0000000006A20000-0x0000000006A70000-memory.dmp

      Filesize

      320KB

    • memory/4516-18-0x0000000006B10000-0x0000000006BA2000-memory.dmp

      Filesize

      584KB

    • memory/4516-19-0x0000000006A90000-0x0000000006A9A000-memory.dmp

      Filesize

      40KB

    • memory/4516-20-0x000000007449E000-0x000000007449F000-memory.dmp

      Filesize

      4KB

    • memory/4516-21-0x0000000074490000-0x0000000074C40000-memory.dmp

      Filesize

      7.7MB