Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220718-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220718-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-07-2022 18:28

General

  • Target

    510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e.exe

  • Size

    922KB

  • MD5

    7e6095adef252a307789fde2a472da27

  • SHA1

    45ea251ad20c3664f2a527b70658a1bd77577d18

  • SHA256

    510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e

  • SHA512

    94473305ec14cba709228267229f80b036212b52a18f5a6cb2f15fb715375bfb2a3f1c1a6b9bbe1a2bf2d1cb5010dc2be0e2ce875ce3c6c29a586fd4b21d8974

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    kennedey.isaac@yandex.com
  • Password:
    jozo2018

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 7 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 11 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e.exe
    "C:\Users\Admin\AppData\Local\Temp\510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2988
    • C:\Users\Admin\AppData\Local\Temp\510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e.exe
      C:\Users\Admin\AppData\Local\Temp\510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:1240
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:620
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:1332
          • 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"
            5⤵
            • Accesses Microsoft Outlook accounts
            PID:2956
          • 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"
            5⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:3916

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

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

    102B

    MD5

    cf5c1671adb88a302d79a6fbe4ec9a4a

    SHA1

    cced67a7921569dab2fcdfdbc3b5ba61587ed675

    SHA256

    ba0d7b9dbbf2342c275335db134321a52817d646d0caf682cef0330ac6ceaba2

    SHA512

    552f8c880b5a05523f7dd85c10a4eb59cf6eb83312214a87f66a2280576db383ad37e9584a741e7c78379c0498564306eef5557d5fb2b5d831028de28a4ddeae

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

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe
    Filesize

    922KB

    MD5

    7e6095adef252a307789fde2a472da27

    SHA1

    45ea251ad20c3664f2a527b70658a1bd77577d18

    SHA256

    510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e

    SHA512

    94473305ec14cba709228267229f80b036212b52a18f5a6cb2f15fb715375bfb2a3f1c1a6b9bbe1a2bf2d1cb5010dc2be0e2ce875ce3c6c29a586fd4b21d8974

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe
    Filesize

    922KB

    MD5

    7e6095adef252a307789fde2a472da27

    SHA1

    45ea251ad20c3664f2a527b70658a1bd77577d18

    SHA256

    510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e

    SHA512

    94473305ec14cba709228267229f80b036212b52a18f5a6cb2f15fb715375bfb2a3f1c1a6b9bbe1a2bf2d1cb5010dc2be0e2ce875ce3c6c29a586fd4b21d8974

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe
    Filesize

    922KB

    MD5

    7e6095adef252a307789fde2a472da27

    SHA1

    45ea251ad20c3664f2a527b70658a1bd77577d18

    SHA256

    510573af752c0027d747054982ae4823c2fec5c0e22c88732882fe5479adb42e

    SHA512

    94473305ec14cba709228267229f80b036212b52a18f5a6cb2f15fb715375bfb2a3f1c1a6b9bbe1a2bf2d1cb5010dc2be0e2ce875ce3c6c29a586fd4b21d8974

  • memory/620-155-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/620-146-0x0000000000000000-mapping.dmp
  • memory/1240-137-0x0000000000400000-0x0000000000477000-memory.dmp
    Filesize

    476KB

  • memory/1240-145-0x0000000074FA0000-0x0000000075551000-memory.dmp
    Filesize

    5.7MB

  • memory/1240-144-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/1240-143-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/1240-150-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/1240-152-0x0000000074FA0000-0x0000000075551000-memory.dmp
    Filesize

    5.7MB

  • memory/1240-140-0x0000000002AB0000-0x0000000002B40000-memory.dmp
    Filesize

    576KB

  • memory/1240-133-0x0000000000000000-mapping.dmp
  • memory/1332-157-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/1332-173-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/1332-162-0x0000000002B40000-0x0000000002BD0000-memory.dmp
    Filesize

    576KB

  • memory/1332-165-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/1332-153-0x0000000000000000-mapping.dmp
  • memory/1332-167-0x0000000074FA0000-0x0000000075551000-memory.dmp
    Filesize

    5.7MB

  • memory/1332-174-0x0000000074FA0000-0x0000000075551000-memory.dmp
    Filesize

    5.7MB

  • memory/2956-172-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2956-171-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2956-169-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/2956-168-0x0000000000000000-mapping.dmp
  • memory/2988-132-0x0000000002350000-0x0000000002357000-memory.dmp
    Filesize

    28KB

  • memory/2988-134-0x0000000077930000-0x0000000077AD3000-memory.dmp
    Filesize

    1.6MB

  • memory/3916-175-0x0000000000000000-mapping.dmp
  • memory/3916-176-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3916-178-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3916-179-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB

  • memory/3916-181-0x0000000000400000-0x0000000000458000-memory.dmp
    Filesize

    352KB