Analysis

  • max time kernel
    86s
  • max time network
    18s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    19-11-2024 14:21

General

  • Target

    5f9d5a7a0fbfe01d4d3a2de05364fc55ec765c90d13a2fc93be6448b8770daebN.exe

  • Size

    552KB

  • MD5

    33a842e93503daf9c7317b872f560e00

  • SHA1

    d5666e437756c645f19c32e999ea914730153d8c

  • SHA256

    5f9d5a7a0fbfe01d4d3a2de05364fc55ec765c90d13a2fc93be6448b8770daeb

  • SHA512

    a976ee40b65c8cfbfc5cb8bc836ff5414ed1d746b2f562fbf963e9e601a5bb6db554a7394bc92478a91c76f80d8b1bf5fc77f7cc8802fddf31f873808ada70d2

  • SSDEEP

    12288:ipZJK2p0FjAPHDN5u3ROd1Qte2r8F64fPa4EYOJNOipwjYrj0GAWEKY9m3udnsz:0ZJKfAbX0UKe2r8Y464EXJNOewjYroGT

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.suncurepelletmill.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    pellet2013

Signatures

  • AgentTesla

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

  • Agenttesla family
  • AgentTesla payload 5 IoCs
  • ReZer0 packer 1 IoCs

    Detects ReZer0, a packer with multiple versions used in various campaigns.

  • 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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

    Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5f9d5a7a0fbfe01d4d3a2de05364fc55ec765c90d13a2fc93be6448b8770daebN.exe
    "C:\Users\Admin\AppData\Local\Temp\5f9d5a7a0fbfe01d4d3a2de05364fc55ec765c90d13a2fc93be6448b8770daebN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lwDrijUyFDDr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE30F.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\5f9d5a7a0fbfe01d4d3a2de05364fc55ec765c90d13a2fc93be6448b8770daebN.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:3052
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Wi-Fi Discovery
        PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpE30F.tmp

    Filesize

    1KB

    MD5

    af8fd7c18f29b2bdcf17f9f2f2967ab1

    SHA1

    290ad40bca8a0ae42b032a35008305f01005c8a5

    SHA256

    83dec3fff94ad6475cf02a140a6930180f95e98be0a9121bf06bc25f29b72301

    SHA512

    daef9e15009b7830a85349a0eec11c66c850c98d0948674840bc1fdf31f7fb42e3012f929b853f6a4ccbb110110f9f6fbbd70dba8399d142a5df5b949bf1d090

  • memory/1996-0-0x000000007469E000-0x000000007469F000-memory.dmp

    Filesize

    4KB

  • memory/1996-1-0x0000000000D90000-0x0000000000E22000-memory.dmp

    Filesize

    584KB

  • memory/1996-2-0x0000000000BA0000-0x0000000000C12000-memory.dmp

    Filesize

    456KB

  • memory/1996-3-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1996-4-0x0000000000840000-0x0000000000854000-memory.dmp

    Filesize

    80KB

  • memory/1996-5-0x000000007469E000-0x000000007469F000-memory.dmp

    Filesize

    4KB

  • memory/1996-6-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/1996-7-0x0000000004AC0000-0x0000000004B18000-memory.dmp

    Filesize

    352KB

  • memory/1996-26-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-27-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-25-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3052-28-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB

  • memory/3052-23-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3052-21-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3052-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/3052-17-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3052-15-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3052-13-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3052-12-0x0000000000400000-0x0000000000452000-memory.dmp

    Filesize

    328KB

  • memory/3052-29-0x0000000074690000-0x0000000074D7E000-memory.dmp

    Filesize

    6.9MB