Analysis

  • max time kernel
    99s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-06-2022 03:15

General

  • Target

    3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe

  • Size

    1.1MB

  • MD5

    93e14e7f69673f008a2cec126e19ea60

  • SHA1

    dd753748784deb2b9a09ab3892521878a655a237

  • SHA256

    3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0

  • SHA512

    0c0b92446c0a52ddd47459de4d34e2c402a18f34aa0e67de2cc49e9245df4c06d27d704918aed34d203945e8fc6761fbd6e32ed549eec99c162d1f57cd4194d1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    longwheelbase2018@yandex.com
  • Password:
    success

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 6 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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 SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe
    "C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.exe
      C:\Users\Admin\AppData\Local\Temp\3097002f3918903a6b3542660d8a8521e498f1638b0ec236969ba6ccf3718cb0.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:3956
      • 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:2508
      • 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:3488

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

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • memory/2508-147-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2508-150-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2508-149-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2508-146-0x0000000000000000-mapping.dmp
  • memory/3488-154-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3488-153-0x0000000000000000-mapping.dmp
  • memory/3488-159-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3488-157-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3488-156-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3956-151-0x0000000076F70000-0x0000000077113000-memory.dmp
    Filesize

    1.6MB

  • memory/3956-142-0x0000000006940000-0x00000000069D0000-memory.dmp
    Filesize

    576KB

  • memory/3956-152-0x00000000745E0000-0x0000000074B91000-memory.dmp
    Filesize

    5.7MB

  • memory/3956-137-0x0000000000400000-0x0000000000477000-memory.dmp
    Filesize

    476KB

  • memory/3956-140-0x0000000076F70000-0x0000000077113000-memory.dmp
    Filesize

    1.6MB

  • memory/3956-141-0x0000000076F70000-0x0000000077113000-memory.dmp
    Filesize

    1.6MB

  • memory/3956-133-0x0000000000000000-mapping.dmp
  • memory/3956-145-0x00000000745E0000-0x0000000074B91000-memory.dmp
    Filesize

    5.7MB

  • memory/4932-134-0x0000000076F70000-0x0000000077113000-memory.dmp
    Filesize

    1.6MB

  • memory/4932-132-0x00000000022D0000-0x00000000022D7000-memory.dmp
    Filesize

    28KB