Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 18:33

General

  • Target

    Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe

  • Size

    1.8MB

  • MD5

    1e80be82f8e930a7160c225ea1fb529e

  • SHA1

    7c50b9f3550d1d4c6abdb668cec1d7461a4c13d6

  • SHA256

    68101d145825fc980210f1f56638011d98eeaf5c53fb734b62a80dac6489f2e3

  • SHA512

    964181a2b3d3db5522a99dfa4c77c87d7c921981e55ecd2cd9fa8f10dd170082637cb6d130a7fee8182a3e6b967e98d34d072d7955233a17b281cd598080bf93

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    outback.websitewelcome.com
  • Port:
    587
  • Username:
    krishnafebtech14@2020weddingeventz1.com
  • Password:
    1ihemyorochi

Signatures

  • HawkEye

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

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Drops startup file 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase Order_23011008_PDF ________________________ iGSTEEEE1124EEEEEEXEEEE.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1300
      • 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"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:1392
      • 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"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1292

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

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/1292-144-0x0000000000000000-mapping.dmp
  • memory/1292-148-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/1292-147-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/1292-145-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/1300-130-0x0000000000000000-mapping.dmp
  • memory/1300-138-0x0000000073E10000-0x00000000743C1000-memory.dmp
    Filesize

    5.7MB

  • memory/1300-132-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/1392-140-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1392-142-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1392-143-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1392-139-0x0000000000000000-mapping.dmp
  • memory/4828-133-0x0000000004E70000-0x0000000004F75000-memory.dmp
    Filesize

    1.0MB

  • memory/4828-131-0x0000000004F80000-0x0000000005085000-memory.dmp
    Filesize

    1.0MB