Analysis

  • max time kernel
    143s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19-01-2021 13:01

General

  • Target

    PO 2010029_pdf Quotation from Alibaba Ale.exe

  • Size

    1.0MB

  • MD5

    eb59d99961c7636b4872e389da03cbc9

  • SHA1

    22d5fb0f076a0d945596b7938e72b6b5cae73674

  • SHA256

    4dd89aea31cfb64c8fa6b542c9ad002e4041ef5249f2072947df749e00e7fd9e

  • SHA512

    6d062b65284df0f4ce5845b8730ac6adf46759af5f35e3bde86a609bce9ff0d5846fbe2d30864e411b695d774b6f6903d558e42f067c44817e3421cd5d41b256

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    outback.websitewelcome.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    uDA9jC4eZmuj

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO 2010029_pdf Quotation from Alibaba Ale.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 2010029_pdf Quotation from Alibaba Ale.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
      2⤵
        PID:368
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1188

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scripting

    1
    T1064

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Defense Evasion

    Scripting

    1
    T1064

    Modify Registry

    1
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt
      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/368-10-0x0000000000411654-mapping.dmp
    • memory/368-11-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/368-9-0x0000000000400000-0x000000000041B000-memory.dmp
      Filesize

      108KB

    • memory/1188-14-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/1188-13-0x0000000000442628-mapping.dmp
    • memory/1188-12-0x0000000000400000-0x0000000000458000-memory.dmp
      Filesize

      352KB

    • memory/4808-5-0x000000001AD32000-0x000000001AD34000-memory.dmp
      Filesize

      8KB

    • memory/4808-8-0x000000001AD3B000-0x000000001AD3D000-memory.dmp
      Filesize

      8KB

    • memory/4808-7-0x000000001AD38000-0x000000001AD39000-memory.dmp
      Filesize

      4KB

    • memory/4808-6-0x000000001AD37000-0x000000001AD38000-memory.dmp
      Filesize

      4KB

    • memory/4808-2-0x0000000000400000-0x0000000000499000-memory.dmp
      Filesize

      612KB

    • memory/4808-4-0x000000001AD31000-0x000000001AD32000-memory.dmp
      Filesize

      4KB

    • memory/4808-3-0x000000001AD30000-0x000000001AD31000-memory.dmp
      Filesize

      4KB