Analysis

  • max time kernel
    104s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 01:43

General

  • Target

    e7db3ac5de235ef432d55b8fd2bf0f400ad26690b7efbb513d9d3cf178bf393d.exe

  • Size

    579KB

  • MD5

    644b264aa14aa44fbf2d50b958922b3a

  • SHA1

    6aaf3b3a12252a8e15c0d00a883d5707cf7a9268

  • SHA256

    e7db3ac5de235ef432d55b8fd2bf0f400ad26690b7efbb513d9d3cf178bf393d

  • SHA512

    ef47297dd90de1f3803f1e579ee26d600b79d52d71d96a79a7d3c7f05c01def64f0c3ef82be234a5d083450732273031bb9250b909688b2119dd68ff25e32001

  • SSDEEP

    6144:+CvZQF89OVamhgTLcYAWeBlE/8OZ1bN8XnBNDGH1HS+guQzCbzVB8PQqZzHbHI5u:+CuFjGTwWddZ1S3BNuE+ezCn2b4C

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.

  • Drops startup file 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 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\e7db3ac5de235ef432d55b8fd2bf0f400ad26690b7efbb513d9d3cf178bf393d.exe
    "C:\Users\Admin\AppData\Local\Temp\e7db3ac5de235ef432d55b8fd2bf0f400ad26690b7efbb513d9d3cf178bf393d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3652
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\e7db3ac5de235ef432d55b8fd2bf0f400ad26690b7efbb513d9d3cf178bf393d.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\anydesk.exe.exe'
      2⤵
      • Drops startup file
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jabcmhfk.zd0.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/432-45-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/432-43-0x00000000065F0000-0x00000000065FA000-memory.dmp

    Filesize

    40KB

  • memory/432-42-0x0000000006760000-0x0000000006922000-memory.dmp

    Filesize

    1.8MB

  • memory/432-41-0x0000000006540000-0x0000000006590000-memory.dmp

    Filesize

    320KB

  • memory/432-33-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/432-32-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/432-30-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1900-8-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-10-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-9-0x00000000059D0000-0x0000000005FF8000-memory.dmp

    Filesize

    6.2MB

  • memory/1900-11-0x0000000005660000-0x0000000005682000-memory.dmp

    Filesize

    136KB

  • memory/1900-12-0x0000000005800000-0x0000000005866000-memory.dmp

    Filesize

    408KB

  • memory/1900-14-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-13-0x0000000005870000-0x00000000058D6000-memory.dmp

    Filesize

    408KB

  • memory/1900-34-0x0000000007710000-0x00000000077A6000-memory.dmp

    Filesize

    600KB

  • memory/1900-24-0x0000000006240000-0x0000000006594000-memory.dmp

    Filesize

    3.3MB

  • memory/1900-25-0x0000000006740000-0x000000000675E000-memory.dmp

    Filesize

    120KB

  • memory/1900-26-0x0000000006780000-0x00000000067CC000-memory.dmp

    Filesize

    304KB

  • memory/1900-40-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/1900-35-0x0000000006BD0000-0x0000000006BEA000-memory.dmp

    Filesize

    104KB

  • memory/1900-36-0x0000000006C20000-0x0000000006C42000-memory.dmp

    Filesize

    136KB

  • memory/1900-7-0x0000000002E20000-0x0000000002E56000-memory.dmp

    Filesize

    216KB

  • memory/3652-0-0x0000000074D9E000-0x0000000074D9F000-memory.dmp

    Filesize

    4KB

  • memory/3652-5-0x0000000005640000-0x0000000005688000-memory.dmp

    Filesize

    288KB

  • memory/3652-6-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/3652-29-0x00000000057B0000-0x00000000057BA000-memory.dmp

    Filesize

    40KB

  • memory/3652-28-0x0000000005770000-0x000000000578E000-memory.dmp

    Filesize

    120KB

  • memory/3652-27-0x00000000057F0000-0x0000000005866000-memory.dmp

    Filesize

    472KB

  • memory/3652-4-0x00000000056D0000-0x000000000576C000-memory.dmp

    Filesize

    624KB

  • memory/3652-3-0x00000000055A0000-0x0000000005632000-memory.dmp

    Filesize

    584KB

  • memory/3652-2-0x0000000005C80000-0x0000000006224000-memory.dmp

    Filesize

    5.6MB

  • memory/3652-44-0x0000000074D90000-0x0000000075540000-memory.dmp

    Filesize

    7.7MB

  • memory/3652-1-0x0000000000AD0000-0x0000000000B66000-memory.dmp

    Filesize

    600KB