Analysis

  • max time kernel
    135s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 14:08

General

  • Target

    Shipping documents & bill of Lading_PDF.exe

  • Size

    768KB

  • MD5

    aa2e0331db7bdc7c4a51a4d9ca2f4832

  • SHA1

    fc6ee67838401e8cbcef4e2c547d06cb56f12628

  • SHA256

    f0e352c3fbf73706c4c0fd2e118cf10b241dd880b58ceb67491b585fa5719fad

  • SHA512

    42c7e114bd9fa67301724481c893bfaa95ec633b53328d157b95e26fe6c4ca29e29cbda5ac0bcc73577865d18d4c3875fc2c08f6747f4ec926868e41c20957c3

  • SSDEEP

    12288:+IeWET/mr9K+22BEEzFatnhghS5+v+DUVNf5MWl0axTbo+i1Cv7z2CjH8mri7jY3:OWtb3BEMhS5qOk5SVC+CjcmWg

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.deblokhoeve.be
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Blokhoeve2490.i

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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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).

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:736
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\saPiRlsccSHapA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4364
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\saPiRlsccSHapA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA0F3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3668
    • C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Shipping documents & bill of Lading_PDF.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2556

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_swnj1p5m.dvs.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpA0F3.tmp

    Filesize

    1KB

    MD5

    0086fb33630bb91cf88272637e8d7c4a

    SHA1

    1c56cc4eaf2ccc4ea67f0a4f41b51dbc73fe2e9d

    SHA256

    5dd23eef247b8a60cf16b9442d8d0f889969b5e1623b74668d6635abc5e00d57

    SHA512

    d85ecf1bdbc5cd5d09a031ab8d517c24037ec953e073e577938d1da598b13842c2801eff6b19f99f93820c608ab22fb5805c6a3bfbbf77fc7555bb1706b4920e

  • memory/736-8-0x00000000047E0000-0x00000000047F0000-memory.dmp

    Filesize

    64KB

  • memory/736-9-0x0000000006220000-0x00000000062A6000-memory.dmp

    Filesize

    536KB

  • memory/736-4-0x0000000004E00000-0x0000000004E0A000-memory.dmp

    Filesize

    40KB

  • memory/736-5-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/736-6-0x0000000007630000-0x0000000007652000-memory.dmp

    Filesize

    136KB

  • memory/736-7-0x0000000004F80000-0x0000000004F8C000-memory.dmp

    Filesize

    48KB

  • memory/736-2-0x00000000053B0000-0x0000000005954000-memory.dmp

    Filesize

    5.6MB

  • memory/736-3-0x0000000004D50000-0x0000000004DE2000-memory.dmp

    Filesize

    584KB

  • memory/736-10-0x0000000010400000-0x000000001049C000-memory.dmp

    Filesize

    624KB

  • memory/736-14-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/736-38-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/736-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/736-17-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/736-1-0x00000000003C0000-0x0000000000486000-memory.dmp

    Filesize

    792KB

  • memory/2556-34-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2556-37-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/2556-68-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/2556-64-0x00000000068C0000-0x0000000006910000-memory.dmp

    Filesize

    320KB

  • memory/4364-42-0x0000000071120000-0x000000007116C000-memory.dmp

    Filesize

    304KB

  • memory/4364-53-0x0000000007AB0000-0x0000000007B53000-memory.dmp

    Filesize

    652KB

  • memory/4364-18-0x0000000005A30000-0x0000000006058000-memory.dmp

    Filesize

    6.2MB

  • memory/4364-35-0x0000000006290000-0x00000000065E4000-memory.dmp

    Filesize

    3.3MB

  • memory/4364-19-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4364-16-0x0000000005330000-0x0000000005366000-memory.dmp

    Filesize

    216KB

  • memory/4364-39-0x00000000068C0000-0x00000000068DE000-memory.dmp

    Filesize

    120KB

  • memory/4364-40-0x0000000006970000-0x00000000069BC000-memory.dmp

    Filesize

    304KB

  • memory/4364-41-0x0000000007840000-0x0000000007872000-memory.dmp

    Filesize

    200KB

  • memory/4364-21-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4364-52-0x0000000007A80000-0x0000000007A9E000-memory.dmp

    Filesize

    120KB

  • memory/4364-23-0x00000000059B0000-0x0000000005A16000-memory.dmp

    Filesize

    408KB

  • memory/4364-54-0x0000000008230000-0x00000000088AA000-memory.dmp

    Filesize

    6.5MB

  • memory/4364-55-0x0000000007BF0000-0x0000000007C0A000-memory.dmp

    Filesize

    104KB

  • memory/4364-56-0x0000000007C60000-0x0000000007C6A000-memory.dmp

    Filesize

    40KB

  • memory/4364-57-0x0000000007E70000-0x0000000007F06000-memory.dmp

    Filesize

    600KB

  • memory/4364-59-0x0000000007DF0000-0x0000000007E01000-memory.dmp

    Filesize

    68KB

  • memory/4364-60-0x0000000007E20000-0x0000000007E2E000-memory.dmp

    Filesize

    56KB

  • memory/4364-61-0x0000000007E30000-0x0000000007E44000-memory.dmp

    Filesize

    80KB

  • memory/4364-62-0x0000000007F30000-0x0000000007F4A000-memory.dmp

    Filesize

    104KB

  • memory/4364-63-0x0000000007F10000-0x0000000007F18000-memory.dmp

    Filesize

    32KB

  • memory/4364-24-0x00000000061D0000-0x0000000006236000-memory.dmp

    Filesize

    408KB

  • memory/4364-67-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4364-22-0x0000000005900000-0x0000000005922000-memory.dmp

    Filesize

    136KB