Analysis

  • max time kernel
    121s
  • max time network
    131s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2025 01:28

General

  • Target

    139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924.exe

  • Size

    743KB

  • MD5

    b2e13b5a8173ef717d056a348001e4cc

  • SHA1

    ebd6d6d14aaaaf47cb891406b834d5505e088271

  • SHA256

    139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924

  • SHA512

    ec8fecc4f545980209fd4a81187ff3cbec224ddf568bf007dba99b86daf4d48b1538e8fcc13ccb85b6e1000ecfcc7e25c6a92c17fa50dcb53da41784d181d91e

  • SSDEEP

    12288:iDCu7+JNLLzmHjR/Qw1iO116TWWaQjqF0UKWx2l+g05MjFvP990MeU4KBomWf:z/JlLKDRQwt4abQGF9xs+g0uFvwUlGmE

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 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 3 TTPs

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

  • 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 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 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924.exe
    "C:\Users\Admin\AppData\Local\Temp\139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • 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\139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xprNhn.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1284
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xprNhn" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6D82.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2896
    • C:\Users\Admin\AppData\Local\Temp\139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924.exe
      "C:\Users\Admin\AppData\Local\Temp\139daba4920df2b28eee8d3726b98528455c3002a0c91bdaf82bbac8a678d924.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp6D82.tmp

    Filesize

    1KB

    MD5

    86247363cba46b4853b815335062a41b

    SHA1

    a957b6ce1f9521b4220a20a6a39118aad26eb59c

    SHA256

    f3b7bf771550aaaa87f8bb7c15e54ad7e751f180e7c7e3c6f49e43946ffa2f18

    SHA512

    baba37969dd0594058fd4e716be6e2cc712f531f35d978ff1ee76451440fe6dcdacb38366086de9f8ac63bc6f4959900a4c010e255f0bc7b526a1badbc07169c

  • memory/2632-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2632-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-18-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2632-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3056-5-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-1-0x0000000000E40000-0x0000000000F00000-memory.dmp

    Filesize

    768KB

  • memory/3056-2-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3056-6-0x0000000005F60000-0x0000000005FE6000-memory.dmp

    Filesize

    536KB

  • memory/3056-4-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

    Filesize

    4KB

  • memory/3056-3-0x0000000000B90000-0x0000000000BAE000-memory.dmp

    Filesize

    120KB

  • memory/3056-30-0x0000000074AC0000-0x00000000751AE000-memory.dmp

    Filesize

    6.9MB