Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 17:41

General

  • Target

    821695f1c5cfee3bdb0ce172888bfc251b30ac7d8e6939bae92a3d8f5dbdfdd0.exe

  • Size

    984KB

  • MD5

    87d560227997de8e57d799b8178ac919

  • SHA1

    5e108f5bb3a6b322cf0fb15f11b4aac0601f2102

  • SHA256

    821695f1c5cfee3bdb0ce172888bfc251b30ac7d8e6939bae92a3d8f5dbdfdd0

  • SHA512

    e32ba7e8fa89495456554d1d582b2391ba63e054e22d56e1c070c8a9cb93a72a5780c9a13f2717b9bf4b7f3eee7189123dab50ae6e1bbdc02e70fba01392dc65

  • SSDEEP

    24576:9GxoANniFtffKpES0kkeslO864hKHTYfX2QE:9GDU0H0kke6OwhCkfm

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    thomsonbrian142@gmail.com
  • Password:
    Thanks_101

Signatures

  • HawkEye

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

  • NirSoft MailPassView 15 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 14 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 19 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 3 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.

  • Modifies Internet Explorer settings 1 TTPs 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\821695f1c5cfee3bdb0ce172888bfc251b30ac7d8e6939bae92a3d8f5dbdfdd0.exe
    "C:\Users\Admin\AppData\Local\Temp\821695f1c5cfee3bdb0ce172888bfc251b30ac7d8e6939bae92a3d8f5dbdfdd0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1096
    • C:\Users\Admin\AppData\Local\Temp\821695f1c5cfee3bdb0ce172888bfc251b30ac7d8e6939bae92a3d8f5dbdfdd0.exe
      "C:\Users\Admin\AppData\Local\Temp\821695f1c5cfee3bdb0ce172888bfc251b30ac7d8e6939bae92a3d8f5dbdfdd0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1796
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=821695f1c5cfee3bdb0ce172888bfc251b30ac7d8e6939bae92a3d8f5dbdfdd0.exe&platform=0009&osver=5&isServer=0&shimver=4.0.30319.0
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1720
        • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
          "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1720 CREDAT:275457 /prefetch:2
          4⤵
          • Modifies Internet Explorer settings
          • Suspicious use of SetWindowsHookEx
          PID:364
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1732
      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\takshost.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1164
        • 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"
          4⤵
          • Accesses Microsoft Outlook accounts
          PID:580
        • 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"
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1168

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/580-98-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/580-94-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/580-95-0x0000000000411714-mapping.dmp
  • memory/580-100-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/580-99-0x0000000000400000-0x000000000041B000-memory.dmp
    Filesize

    108KB

  • memory/1096-55-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1096-56-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1096-54-0x00000000768A1000-0x00000000768A3000-memory.dmp
    Filesize

    8KB

  • memory/1096-75-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1164-93-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1164-89-0x0000000000400000-0x00000000004F0000-memory.dmp
    Filesize

    960KB

  • memory/1164-91-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1164-85-0x00000000004EB1AE-mapping.dmp
  • memory/1164-87-0x0000000000400000-0x00000000004F0000-memory.dmp
    Filesize

    960KB

  • memory/1168-101-0x0000000000400000-0x0000000000459000-memory.dmp
    Filesize

    356KB

  • memory/1168-102-0x0000000000442F04-mapping.dmp
  • memory/1168-105-0x0000000000400000-0x0000000000459000-memory.dmp
    Filesize

    356KB

  • memory/1168-106-0x0000000000400000-0x0000000000459000-memory.dmp
    Filesize

    356KB

  • memory/1732-76-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1732-78-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1732-92-0x0000000074C70000-0x000000007521B000-memory.dmp
    Filesize

    5.7MB

  • memory/1732-73-0x0000000000000000-mapping.dmp
  • memory/1796-72-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB

  • memory/1796-69-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB

  • memory/1796-64-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB

  • memory/1796-65-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB

  • memory/1796-63-0x00000000004EB1AE-mapping.dmp
  • memory/1796-61-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB

  • memory/1796-60-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB

  • memory/1796-58-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB

  • memory/1796-57-0x0000000000180000-0x0000000000270000-memory.dmp
    Filesize

    960KB