Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 13:15

General

  • Target

    03dff69ef246481d70ab1a83fe3273348d165a1bab36c664dce64fa0bd5236af.exe

  • Size

    936KB

  • MD5

    13fa3ac707276053a6e3e8b3885e2274

  • SHA1

    d862b433d8399dadf0cc82fdd181fffca6a436f5

  • SHA256

    03dff69ef246481d70ab1a83fe3273348d165a1bab36c664dce64fa0bd5236af

  • SHA512

    b4e3f7c4b772c9cfa3b8f62c431d28aeef3f5e01cd53faa8f5ac8edb9b73a3946199fa05ebe20399007fdeb84d44107c48fbdbf5815c54b43386615cb2207da1

  • SSDEEP

    12288:KDZkwvenl0h3J3cG/kVhKIQrnAfhY40pQTuLL64KJuXZckR:EZkwveip5/yhKLAfgpQTuaxJuZ

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 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 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03dff69ef246481d70ab1a83fe3273348d165a1bab36c664dce64fa0bd5236af.exe
    "C:\Users\Admin\AppData\Local\Temp\03dff69ef246481d70ab1a83fe3273348d165a1bab36c664dce64fa0bd5236af.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2244
    • 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\03dff69ef246481d70ab1a83fe3273348d165a1bab36c664dce64fa0bd5236af.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2808
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\bYJpHSBIQhU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2544
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\bYJpHSBIQhU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD836.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1648
    • C:\Users\Admin\AppData\Local\Temp\03dff69ef246481d70ab1a83fe3273348d165a1bab36c664dce64fa0bd5236af.exe
      "C:\Users\Admin\AppData\Local\Temp\03dff69ef246481d70ab1a83fe3273348d165a1bab36c664dce64fa0bd5236af.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2844

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD836.tmp
    Filesize

    1KB

    MD5

    d1b8ce78f5ee5948ba75f0f355a76f61

    SHA1

    9782de78f213ce053a20de2579d8f07fca843af4

    SHA256

    9db9575c24c8f9e43932dafac0b8caee4caa4f386252453a7d4836cd32c77f02

    SHA512

    f05ed4466d6a9fb1a22f681f173a9d0062c02db21b39c2f41a233a42660c957c7cb95eaa3c732230a0f59b687bca7b35bd8c53123618b0fba207c388c377674b

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

    7KB

    MD5

    07826bfa2aef3da10d6abf6378432b9b

    SHA1

    c5888838e1f3841fd0ec64fa550afbd356e02399

    SHA256

    e6a8cd4042d16bdf6ffa5445ee06a085f7d54b9541e93267a439b7276d639a5f

    SHA512

    2afee67732afd723fe6c3a9a9750a5581bac719ce2f536dfff5849d12e64d5e01cc8c7d365e6933fcfc867901adc2050926717406b8ee05ab59c6b28d6f8e016

  • memory/2244-4-0x00000000002B0000-0x00000000002C0000-memory.dmp
    Filesize

    64KB

  • memory/2244-3-0x0000000000500000-0x000000000051A000-memory.dmp
    Filesize

    104KB

  • memory/2244-0-0x0000000073F1E000-0x0000000073F1F000-memory.dmp
    Filesize

    4KB

  • memory/2244-5-0x0000000004F20000-0x0000000004FA4000-memory.dmp
    Filesize

    528KB

  • memory/2244-6-0x0000000073F1E000-0x0000000073F1F000-memory.dmp
    Filesize

    4KB

  • memory/2244-7-0x0000000073F10000-0x00000000745FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2244-2-0x0000000073F10000-0x00000000745FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2244-1-0x0000000000C00000-0x0000000000CEE000-memory.dmp
    Filesize

    952KB

  • memory/2244-32-0x0000000073F10000-0x00000000745FE000-memory.dmp
    Filesize

    6.9MB

  • memory/2844-31-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2844-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2844-29-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2844-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2844-26-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2844-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2844-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2844-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB