Analysis

  • max time kernel
    151s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 01:59

General

  • Target

    Order_list for Quote.exe

  • Size

    504KB

  • MD5

    44f7145fac997f144a95bba1213c319a

  • SHA1

    2e917b9ed34e878a96a62b5c00882e249fa53dea

  • SHA256

    f4d9dcad2e93b4affe2794ceda8a78fbed46306127727eea472431e49d567c77

  • SHA512

    5ebd3db9edceda20663506182381e248dabc87cab9842004f4c93fa64d3e12f4ff51a5f246669bff91a79e9918b95630eda67866157b4817bf7fa608d488d0b8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mosaiclayouts.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    UY$W4+]^+9;)7CF5

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 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\Order_list for Quote.exe
    "C:\Users\Admin\AppData\Local\Temp\Order_list for Quote.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nPAHdJvCcBhHJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB6A3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2336
    • C:\Users\Admin\AppData\Local\Temp\Order_list for Quote.exe
      "{path}"
      2⤵
        PID:2812
      • C:\Users\Admin\AppData\Local\Temp\Order_list for Quote.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1768

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Order_list for Quote.exe.log
      Filesize

      1KB

      MD5

      45242be47e5fefb0e8ca1070ed4d9b98

      SHA1

      42d6890eaae85ad3423231b13e6f96e1a93c8165

      SHA256

      d9bde55febcd84b87cbe03e0a754bf24337f479c55f9853f5e991e24e5da2b3f

      SHA512

      d0c7c161749ec6310733d16159be5af15614744749396d785f84652c74a1ca09b4418eac99f3edc6c5922d6e264ba9bdc219359878199fed6c05326041115ae8

    • C:\Users\Admin\AppData\Local\Temp\tmpB6A3.tmp
      Filesize

      1KB

      MD5

      08cff2ee3a7072461f6eded92d23441a

      SHA1

      c6b62f8a9a38c9a974d88f49cc357df20165face

      SHA256

      ccaa4e47dc0bfab36790f76c28cebf4b047b9138a1d2483076b993b0ce69ec1a

      SHA512

      398f2a89567819a36697f9eff5ec8451acc69cc05fda40486c8a2738631424dc4d6d9666b6c948ee1850372b168006114eb51a52363cf7c182910d13bed8231b

    • memory/1768-138-0x0000000000000000-mapping.dmp
    • memory/1768-139-0x0000000000400000-0x000000000044C000-memory.dmp
      Filesize

      304KB

    • memory/1768-141-0x0000000005F20000-0x0000000005F86000-memory.dmp
      Filesize

      408KB

    • memory/2336-135-0x0000000000000000-mapping.dmp
    • memory/2812-137-0x0000000000000000-mapping.dmp
    • memory/2816-130-0x0000000000C90000-0x0000000000D18000-memory.dmp
      Filesize

      544KB

    • memory/2816-131-0x0000000009BE0000-0x0000000009C72000-memory.dmp
      Filesize

      584KB

    • memory/2816-132-0x000000000A230000-0x000000000A7D4000-memory.dmp
      Filesize

      5.6MB

    • memory/2816-133-0x0000000005850000-0x000000000585A000-memory.dmp
      Filesize

      40KB

    • memory/2816-134-0x0000000005F10000-0x0000000005FAC000-memory.dmp
      Filesize

      624KB