Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    19-06-2024 13:06

General

  • Target

    Payment Receipt-BOA.scr.exe

  • Size

    825KB

  • MD5

    d4dbbdfc8414d2f370f31e3b89aaa464

  • SHA1

    3ef59b12ddb45ec3c648f48535bd0d8688355432

  • SHA256

    7ef843eff8a539d4296d4ef84613b9d1efae655d3d5bbe7d23972ac414e0a25b

  • SHA512

    3a514a0bc9f360167ccefe921542d2625fc7bac1ce3e999b9d84131de9bb39b00b37594dc707d7f57bfba97fd6bb16be86acbe870961677017d548e69890c408

  • SSDEEP

    12288:NvlWc81Hsca5ZECpas1Ld9MRJsAOQpIwWwFdWWef3gOoN9PvXptZdkR:ZlS3vs1cN3W20WefgOqXX9A

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • Looks up external IP address via web service 1 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).

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Receipt-BOA.scr.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Receipt-BOA.scr.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SVBDTv.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2360
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVBDTv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp59D3.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2652
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2264

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp59D3.tmp

    Filesize

    1KB

    MD5

    9a3119ab16f39720953b519b252e4d9a

    SHA1

    0c0c747174991e9982fc55fa83f6ed223baf88f1

    SHA256

    a4de91a8e99987f9665cb1f5600d53bf8e3de614409e6fcd06cee734d949e3ff

    SHA512

    d20d1b32756c9b01be54048a47cc949d3fd313b8e4ea36e7bf53ef656cab0775bd423e50f7038845f52f0adacd5436b95ad765a4420cd9951aa1361bd45bf50e

  • memory/1684-26-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-1-0x0000000000CC0000-0x0000000000D92000-memory.dmp

    Filesize

    840KB

  • memory/1684-2-0x00000000746B0000-0x0000000074D9E000-memory.dmp

    Filesize

    6.9MB

  • memory/1684-3-0x0000000000460000-0x0000000000472000-memory.dmp

    Filesize

    72KB

  • memory/1684-4-0x0000000000480000-0x0000000000488000-memory.dmp

    Filesize

    32KB

  • memory/1684-5-0x0000000000680000-0x000000000068C000-memory.dmp

    Filesize

    48KB

  • memory/1684-6-0x0000000005060000-0x00000000050E4000-memory.dmp

    Filesize

    528KB

  • memory/1684-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

    Filesize

    4KB

  • memory/2264-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2264-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2264-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB