Analysis

  • max time kernel
    119s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    02-09-2024 18:11

General

  • Target

    5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe

  • Size

    705KB

  • MD5

    8645375a86a6176bd04b81b91f03a1a6

  • SHA1

    5e35f5830e5230e92270e71bdc901ac570cd7c19

  • SHA256

    5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42

  • SHA512

    55227147571247e282821651a3c0097322bbad696e9a0fd63d15e968f882078987d4e4308458d77322a7ccbef51088b7d02468d6a9a7e55eef77d3190eb4fb00

  • SSDEEP

    12288:y5fzk6jQUtGzdOTImOMZXggiUspKjDSy4AmjxSoLn6+1LkACCslHGBZXTrCyQdRR:SLQ1zCOiXg22y4Aex1gwslHGBdy3Rv6S

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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 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.

  • Looks up external IP address via web service 3 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 5 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe
    "C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1184
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bvPYqpQavc.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bvPYqpQavc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp734C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe
      "C:\Users\Admin\AppData\Local\Temp\5474194c07b4f0b5144069d189cd55adfd2e9e8e89bbbdba6153e173a094ff42.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1660

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp734C.tmp

    Filesize

    1KB

    MD5

    95065ac551b0e91b41ae8ab86330c378

    SHA1

    fd206c97116c3d6dcab82ce4a77c76b25cf167ea

    SHA256

    6a81af0d38648840b4a570fb1f76b04356472e97cc42a373c8b5f8457774e42d

    SHA512

    c7fc6281f823a53123c2c53ea82a3e0d5f4c056e326ec76531e62e0b828edf4e847ec36e7b579c4f09ff8e748645667dad065e4a588ffe156d15c843e39ef63a

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    5b126d0afd34304faad39cc6c6e12527

    SHA1

    6c56fcfe710a0f2d4681370dc85dd855429264c6

    SHA256

    cf3d5346c4ac3c019b70fb8a87d5262dc592cb3f17e3ac71d824b0087c415491

    SHA512

    d03278edf47c4439f6f51e3bc6e6c86c8d067c67b82ff280d65e50d7ee9949676e66c7817a7f24f407d8fc6c9128af591c21b883991b8cc2efcaf9b55d5250eb

  • memory/1660-31-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1660-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1660-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1660-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1660-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1660-30-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1660-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/1660-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2596-1-0x0000000000EC0000-0x0000000000F70000-memory.dmp

    Filesize

    704KB

  • memory/2596-2-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-0-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

    Filesize

    4KB

  • memory/2596-7-0x0000000004D60000-0x0000000004DE4000-memory.dmp

    Filesize

    528KB

  • memory/2596-6-0x00000000004E0000-0x00000000004EE000-memory.dmp

    Filesize

    56KB

  • memory/2596-3-0x00000000004C0000-0x00000000004DA000-memory.dmp

    Filesize

    104KB

  • memory/2596-5-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB

  • memory/2596-4-0x0000000073F6E000-0x0000000073F6F000-memory.dmp

    Filesize

    4KB

  • memory/2596-32-0x0000000073F60000-0x000000007464E000-memory.dmp

    Filesize

    6.9MB