Analysis

  • max time kernel
    144s
  • max time network
    165s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    18-10-2021 23:52

General

  • Target

    New_Order_PO#960780_MT_Quote.exe

  • Size

    473KB

  • MD5

    03080711e2952cde2c9fd19d133a939e

  • SHA1

    3237ca2d142a3c4a0e87bca096bcca738d9601a2

  • SHA256

    3b2c7ef4cf7315a1bf510c073a7bd50bbc16a371b5e624479a2333b840f72e93

  • SHA512

    59949884887c288ca7e61ec2b894ca5d1a4125105b83ef16264f32fec1ded5a1d7053d55195df886c4857dbd84e8f2268337348d9ed9b5ccf9c75685c023ab95

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.karanex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Oi&-tmhj@d5v

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

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

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

  • 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 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe
    "C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2504
    • 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\New_Order_PO#960780_MT_Quote.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2740
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\RULEhjpmww" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD8D8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1096
    • C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe
      "C:\Users\Admin\AppData\Local\Temp\New_Order_PO#960780_MT_Quote.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2248

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1096-130-0x0000000000000000-mapping.dmp

  • memory/2248-132-0x000000000043787E-mapping.dmp

  • memory/2248-131-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/2248-140-0x0000000004F60000-0x0000000004F61000-memory.dmp

    Filesize

    4KB

  • memory/2248-387-0x0000000004F61000-0x0000000004F62000-memory.dmp

    Filesize

    4KB

  • memory/2504-122-0x0000000004F00000-0x0000000004F08000-memory.dmp

    Filesize

    32KB

  • memory/2504-121-0x000000000A7C0000-0x000000000A7C1000-memory.dmp

    Filesize

    4KB

  • memory/2504-123-0x000000000AB00000-0x000000000AB58000-memory.dmp

    Filesize

    352KB

  • memory/2504-115-0x0000000000130000-0x0000000000131000-memory.dmp

    Filesize

    4KB

  • memory/2504-125-0x000000000AE10000-0x000000000AE11000-memory.dmp

    Filesize

    4KB

  • memory/2504-120-0x0000000004A90000-0x0000000004A91000-memory.dmp

    Filesize

    4KB

  • memory/2504-119-0x0000000004AC0000-0x0000000004FBE000-memory.dmp

    Filesize

    5.0MB

  • memory/2504-118-0x00000000049E0000-0x00000000049E1000-memory.dmp

    Filesize

    4KB

  • memory/2504-117-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

    Filesize

    4KB

  • memory/2740-124-0x0000000000000000-mapping.dmp

  • memory/2740-144-0x0000000006FF0000-0x0000000006FF1000-memory.dmp

    Filesize

    4KB

  • memory/2740-128-0x0000000004400000-0x0000000004401000-memory.dmp

    Filesize

    4KB

  • memory/2740-136-0x0000000006E50000-0x0000000006E51000-memory.dmp

    Filesize

    4KB

  • memory/2740-138-0x0000000004560000-0x0000000004561000-memory.dmp

    Filesize

    4KB

  • memory/2740-139-0x0000000004562000-0x0000000004563000-memory.dmp

    Filesize

    4KB

  • memory/2740-127-0x0000000000930000-0x0000000000931000-memory.dmp

    Filesize

    4KB

  • memory/2740-141-0x0000000006EF0000-0x0000000006EF1000-memory.dmp

    Filesize

    4KB

  • memory/2740-143-0x00000000077E0000-0x00000000077E1000-memory.dmp

    Filesize

    4KB

  • memory/2740-129-0x00000000070B0000-0x00000000070B1000-memory.dmp

    Filesize

    4KB

  • memory/2740-145-0x0000000008100000-0x0000000008101000-memory.dmp

    Filesize

    4KB

  • memory/2740-146-0x0000000007EC0000-0x0000000007EC1000-memory.dmp

    Filesize

    4KB

  • memory/2740-147-0x0000000000930000-0x0000000000931000-memory.dmp

    Filesize

    4KB

  • memory/2740-154-0x0000000008CA0000-0x0000000008CD3000-memory.dmp

    Filesize

    204KB

  • memory/2740-161-0x0000000008C80000-0x0000000008C81000-memory.dmp

    Filesize

    4KB

  • memory/2740-166-0x0000000008DF0000-0x0000000008DF1000-memory.dmp

    Filesize

    4KB

  • memory/2740-167-0x000000007FA60000-0x000000007FA61000-memory.dmp

    Filesize

    4KB

  • memory/2740-168-0x0000000009210000-0x0000000009211000-memory.dmp

    Filesize

    4KB

  • memory/2740-237-0x0000000004563000-0x0000000004564000-memory.dmp

    Filesize

    4KB

  • memory/2740-126-0x0000000000930000-0x0000000000931000-memory.dmp

    Filesize

    4KB