Analysis

  • max time kernel
    101s
  • max time network
    103s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    22-02-2023 15:22

General

  • Target

    6ed637be685ed4dc0d6770f47b922ae46ed80795a2fc5dac60b8dd7ff14605ac.exe

  • Size

    1.2MB

  • MD5

    8c719a5b484d3320606684e6371e43bd

  • SHA1

    35978c2a42fd9213fbe2c228e9e6bc6a754db8bd

  • SHA256

    6ed637be685ed4dc0d6770f47b922ae46ed80795a2fc5dac60b8dd7ff14605ac

  • SHA512

    cb038a2da37acb74774bcd36f826183499bfd7addd30610eee9cee3ff657606da2d4f557bad50d07c1b41d2b4c8ebeb19e3b82907bfe1bd2c4a3ecc455ee05d1

  • SSDEEP

    24576:VnOTsIBMNjnNNOhAe/S0nj1FSQNvA0vZCR7YKRf2KMt7b9TqDgCQNuYNcWreDui3:Ou0vYReKMtPxq0CuRNcWr+wA

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.brado-it.com
  • Port:
    21
  • Username:
    chuk@brado-it.com
  • Password:
    wKqTRDAW8B%F

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
  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6ed637be685ed4dc0d6770f47b922ae46ed80795a2fc5dac60b8dd7ff14605ac.exe
    "C:\Users\Admin\AppData\Local\Temp\6ed637be685ed4dc0d6770f47b922ae46ed80795a2fc5dac60b8dd7ff14605ac.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hPaueHBt" /XML "C:\Users\Admin\AppData\Local\Temp\tmp36BF.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2664
    • C:\Users\Admin\AppData\Local\Temp\6ed637be685ed4dc0d6770f47b922ae46ed80795a2fc5dac60b8dd7ff14605ac.exe
      "{path}"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3832
      • 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:2284
      • 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:4012
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 2516
        3⤵
        • Program crash
        PID:3784

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Scripting

1
T1064

Discovery

System Information Discovery

1
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\6ed637be685ed4dc0d6770f47b922ae46ed80795a2fc5dac60b8dd7ff14605ac.exe.log
    Filesize

    1KB

    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\AppData\Local\Temp\tmp36BF.tmp
    Filesize

    1KB

    MD5

    e61e06422aa32a5c106c8b80a41b0d92

    SHA1

    e3fb5b1b0aecf92f991285290c871cdf74841fc6

    SHA256

    456edfe8cdb11dd5759fa6e9ed41b48e6adc332afe7c026f200641b69167fdca

    SHA512

    cd2512f72a1d158ee545ebe7c6fb0124c9fb7a6ba16f73c65ba5245bb35bb1028e261bf828f973b5f017b87998d1f72ea08f8910f1cdf93ef33a31275d2df5af

  • memory/1652-127-0x00000000052D0000-0x0000000005326000-memory.dmp
    Filesize

    344KB

  • memory/1652-125-0x00000000052C0000-0x00000000052D0000-memory.dmp
    Filesize

    64KB

  • memory/1652-126-0x0000000004FC0000-0x0000000004FCA000-memory.dmp
    Filesize

    40KB

  • memory/1652-121-0x0000000000680000-0x00000000007B8000-memory.dmp
    Filesize

    1.2MB

  • memory/1652-128-0x0000000007B20000-0x0000000007B2E000-memory.dmp
    Filesize

    56KB

  • memory/1652-129-0x00000000052C0000-0x00000000052D0000-memory.dmp
    Filesize

    64KB

  • memory/1652-130-0x0000000008070000-0x000000000813C000-memory.dmp
    Filesize

    816KB

  • memory/1652-131-0x000000000A820000-0x000000000A8A8000-memory.dmp
    Filesize

    544KB

  • memory/1652-124-0x0000000005100000-0x0000000005192000-memory.dmp
    Filesize

    584KB

  • memory/1652-123-0x0000000005600000-0x0000000005AFE000-memory.dmp
    Filesize

    5.0MB

  • memory/1652-122-0x0000000005060000-0x00000000050FC000-memory.dmp
    Filesize

    624KB

  • memory/2284-148-0x0000000000420000-0x00000000004E5000-memory.dmp
    Filesize

    788KB

  • memory/2284-147-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2284-149-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2284-143-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2284-145-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/3832-138-0x0000000005C30000-0x0000000005C40000-memory.dmp
    Filesize

    64KB

  • memory/3832-146-0x0000000005C30000-0x0000000005C40000-memory.dmp
    Filesize

    64KB

  • memory/3832-141-0x0000000007CD0000-0x0000000007D36000-memory.dmp
    Filesize

    408KB

  • memory/3832-142-0x0000000008120000-0x0000000008128000-memory.dmp
    Filesize

    32KB

  • memory/3832-150-0x0000000005C30000-0x0000000005C40000-memory.dmp
    Filesize

    64KB

  • memory/3832-154-0x0000000005C30000-0x0000000005C40000-memory.dmp
    Filesize

    64KB

  • memory/3832-135-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/4012-151-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4012-153-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4012-155-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/4012-162-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB