Analysis

  • max time kernel
    142s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-12-2023 20:51

General

  • Target

    9b0f4414d5b5ee59307d7b2ab60eb8bb.exe

  • Size

    3.3MB

  • MD5

    9b0f4414d5b5ee59307d7b2ab60eb8bb

  • SHA1

    8cfe3bbfc4657ed842d527dcefce3b0e27fa62c3

  • SHA256

    d5dcb2f47ea5932af830b535ac39453a6068f282886f9aa117f0f61dadbde148

  • SHA512

    9e31ef946ccb2e00c56b4295fe9d5b7156adc5008358e3f1aad905013d1a77027fffd0671829772da015d6d8c22e17f5edd2510567288ae023bd2278be3924b6

  • SSDEEP

    49152:vQdXxCkdjZE5BpeC/kimEZqa9aVLLkmRNT4rC/2PxI6JPEL0pgpUkQpCQPBImNx:o7kpe8kir9IL94rCSI7QpMUkQpCGBxNx

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    poploly11

Signatures

  • HawkEye

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

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 4 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 7 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Checks whether UAC is enabled 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 NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9b0f4414d5b5ee59307d7b2ab60eb8bb.exe
    "C:\Users\Admin\AppData\Local\Temp\9b0f4414d5b5ee59307d7b2ab60eb8bb.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4696
    • 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"
      2⤵
      • Accesses Microsoft Outlook accounts
      PID:3932
    • 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"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:4984

Network

MITRE ATT&CK Enterprise v15

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/3932-15-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3932-18-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/3932-17-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/4696-21-0x0000000000990000-0x0000000001234000-memory.dmp

    Filesize

    8.6MB

  • memory/4696-33-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-6-0x0000000076FC4000-0x0000000076FC6000-memory.dmp

    Filesize

    8KB

  • memory/4696-9-0x00000000746A0000-0x0000000074C51000-memory.dmp

    Filesize

    5.7MB

  • memory/4696-10-0x00000000039C0000-0x00000000039D0000-memory.dmp

    Filesize

    64KB

  • memory/4696-4-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-3-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-2-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-0-0x0000000000990000-0x0000000001234000-memory.dmp

    Filesize

    8.6MB

  • memory/4696-22-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-24-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-41-0x00000000039C0000-0x00000000039D0000-memory.dmp

    Filesize

    64KB

  • memory/4696-39-0x00000000746A0000-0x0000000074C51000-memory.dmp

    Filesize

    5.7MB

  • memory/4696-32-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-28-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-1-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4696-5-0x0000000076DB0000-0x0000000076EA0000-memory.dmp

    Filesize

    960KB

  • memory/4984-38-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4984-34-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4984-27-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB

  • memory/4984-25-0x0000000000400000-0x0000000000458000-memory.dmp

    Filesize

    352KB