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Analysis

  • max time kernel
    118s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28/01/2025, 01:13

General

  • Target

    e06817ec3e144f7aa91773c9f6df1cb66fea5c5aaa224875582bbbe0e95063df.exe

  • Size

    709KB

  • MD5

    a9b9eec5ecbfd819e5d21eca58f269d9

  • SHA1

    163e1389e710852e7a30e30e7265773e82ecb6e6

  • SHA256

    e06817ec3e144f7aa91773c9f6df1cb66fea5c5aaa224875582bbbe0e95063df

  • SHA512

    834edf8a3cf8a718a526298b8ec563403c7c692a177e3fe82ec4ce0ecaa9d2cdf27b94899052cc21a13638ba77cad44fb7e3d10da1e1316e3e08bca48ffdf36a

  • SSDEEP

    12288:4nwDKbummwOiGFImZg/1Fz3hFf94BFJJDff7ZRo+:4nwDKb+w1mZaCJJLf3

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e06817ec3e144f7aa91773c9f6df1cb66fea5c5aaa224875582bbbe0e95063df.exe
    "C:\Users\Admin\AppData\Local\Temp\e06817ec3e144f7aa91773c9f6df1cb66fea5c5aaa224875582bbbe0e95063df.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2940
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\gGZDdvAZcymQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2856
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\gGZDdvAZcymQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5947.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2828
    • C:\Users\Admin\AppData\Local\Temp\e06817ec3e144f7aa91773c9f6df1cb66fea5c5aaa224875582bbbe0e95063df.exe
      "C:\Users\Admin\AppData\Local\Temp\e06817ec3e144f7aa91773c9f6df1cb66fea5c5aaa224875582bbbe0e95063df.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5947.tmp

    Filesize

    1KB

    MD5

    86eedc7d4d57d26219c7829298a106fd

    SHA1

    44c5abd2bae517bc6a244b9e2de59966fcecea56

    SHA256

    b5760b5a9bfaca145a68f45405b240f403da2e889ff71b6f47135d81effcf039

    SHA512

    a238eaa6d8d6e67b67731833622562b6d42c54a7d75660a7b45ba0879247e14f67fc88270e9d8a95d5a3fd2fd3c706b1f9bd9cd8b46ce44795e42a57517dfbe4

  • memory/2932-27-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2932-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2932-19-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2932-21-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2932-25-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2932-24-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2932-15-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2932-17-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/2940-2-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2940-1-0x0000000000900000-0x00000000009B8000-memory.dmp

    Filesize

    736KB

  • memory/2940-7-0x0000000005F80000-0x0000000005FEA000-memory.dmp

    Filesize

    424KB

  • memory/2940-0-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2940-6-0x0000000000420000-0x000000000042C000-memory.dmp

    Filesize

    48KB

  • memory/2940-5-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB

  • memory/2940-4-0x000000007408E000-0x000000007408F000-memory.dmp

    Filesize

    4KB

  • memory/2940-3-0x0000000000410000-0x000000000041C000-memory.dmp

    Filesize

    48KB

  • memory/2940-28-0x0000000074080000-0x000000007476E000-memory.dmp

    Filesize

    6.9MB