Analysis

  • max time kernel
    122s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2024 01:04

General

  • Target

    103df9c2f3a2592830ff9d610176280942829477f2b89a36d9695248f0f4f843.exe

  • Size

    668KB

  • MD5

    ce72803ab1ba5056030cd7440c28bef8

  • SHA1

    613ccc28cf9961104adf3b7a0cde25724d1d1d65

  • SHA256

    103df9c2f3a2592830ff9d610176280942829477f2b89a36d9695248f0f4f843

  • SHA512

    2f1539816ce714db6142d880c4f1184b1a9c44c80bd5bde8d62bc5e2979a483e84236f05438b50c5eff3aa7e4f94f154806819ad9fedb1b6a85dce9ab012aa64

  • SSDEEP

    12288:reBKYvI87kqb3b2jkTfZ5eT2FemPdt6gMpUXi0/7LM2o8:SOVFkrXAottNXi2vjz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://cash4cars.nz
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    -[([pqM~nGA4

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 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\103df9c2f3a2592830ff9d610176280942829477f2b89a36d9695248f0f4f843.exe
    "C:\Users\Admin\AppData\Local\Temp\103df9c2f3a2592830ff9d610176280942829477f2b89a36d9695248f0f4f843.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • 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\103df9c2f3a2592830ff9d610176280942829477f2b89a36d9695248f0f4f843.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1480
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xUCXLGXvj.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2884
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xUCXLGXvj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF7E6.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2916
    • C:\Users\Admin\AppData\Local\Temp\103df9c2f3a2592830ff9d610176280942829477f2b89a36d9695248f0f4f843.exe
      "C:\Users\Admin\AppData\Local\Temp\103df9c2f3a2592830ff9d610176280942829477f2b89a36d9695248f0f4f843.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF7E6.tmp

    Filesize

    1KB

    MD5

    e0cca946135e9ec3868749441e8c911a

    SHA1

    3512be9022f75a7de4bae6c829ec5ec16c88d71e

    SHA256

    cef9eac2b4e562e4203c29e39a8967cb3d3e6480c75161dadef1fe31ffae98f9

    SHA512

    593fcb2d07749fee8dac6632caab95afe983c4455dd44e209029d901317d68d9959633df2eaf0b112da91f26f0da23de2950650aaa7237ff6a0a279c5b9b02cb

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

    Filesize

    7KB

    MD5

    bfe110e101643cb39f47fad1d9eb47c6

    SHA1

    41a3fc6331c286b5abc0d208ce1db8cb22636be7

    SHA256

    f9aeac75041557f38cd6d48149805f66883b833f0ad9526490eb45661f7e38a1

    SHA512

    8f4f1968f028b6daebb0d099e0c655de824f0c7ed16b04096d94be0aaaa452964761bd57bf3841334ef4ae4748e80de181469be0aef48d216a4737e68b888b1b

  • memory/2096-4-0x000000007458E000-0x000000007458F000-memory.dmp

    Filesize

    4KB

  • memory/2096-31-0x0000000074580000-0x0000000074C6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-0-0x000000007458E000-0x000000007458F000-memory.dmp

    Filesize

    4KB

  • memory/2096-5-0x0000000074580000-0x0000000074C6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-6-0x00000000042E0000-0x0000000004362000-memory.dmp

    Filesize

    520KB

  • memory/2096-2-0x0000000074580000-0x0000000074C6E000-memory.dmp

    Filesize

    6.9MB

  • memory/2096-1-0x0000000000840000-0x00000000008EA000-memory.dmp

    Filesize

    680KB

  • memory/2096-3-0x00000000005B0000-0x00000000005C8000-memory.dmp

    Filesize

    96KB

  • memory/2624-21-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-29-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2624-25-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-23-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-19-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/2624-30-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB