Overview

overview

8

Static

static

3

989750f39b...42.exe

windows7-x64

8

989750f39b...42.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    149s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 02:18

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    989750f39b8bba73ac7b26bcb9f1b9ccd6040fdada3e0e726bc45363468c8142.exe

  • Size

    405KB

  • MD5

    14f856f513c103fd32f2a066c4a9406b

  • SHA1

    1ff2290a7f9d20923da64671a9ff1b8b5bade527

  • SHA256

    989750f39b8bba73ac7b26bcb9f1b9ccd6040fdada3e0e726bc45363468c8142

  • SHA512

    e41efc02195e0b240376750e161c85ae40350d1e4f5ec0fe7f0b974d0fb4e50964d2b430f58762e97d04845d6f3bcd6af445c0ad142bce832ce4f3b7e63fc6d5

  • SSDEEP

    6144:3w9D91dOrcN3ZGXNYFNmIkYvUIelVjjVtGRyFH4:gtRfJcNYFNm8UhlZGse

Score
8/10
bootkitpersistencespywarestealer

Malware Config

Signatures

  • Blocklisted process makes network request 8 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\989750f39b8bba73ac7b26bcb9f1b9ccd6040fdada3e0e726bc45363468c8142.exe
    "C:\Users\Admin\AppData\Local\Temp\989750f39b8bba73ac7b26bcb9f1b9ccd6040fdada3e0e726bc45363468c8142.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4856
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\geyza.exe "C:\Users\Admin\AppData\Local\Temp\989750f39b8bba73ac7b26bcb9f1b9ccd6040fdada3e0e726bc45363468c8142.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2904
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:3024
      • C:\Users\Admin\AppData\Local\Temp\geyza.exe
        C:\Users\Admin\AppData\Local\Temp\\geyza.exe "C:\Users\Admin\AppData\Local\Temp\989750f39b8bba73ac7b26bcb9f1b9ccd6040fdada3e0e726bc45363468c8142.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2372
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\ibgpo\ggybn.dll",Verify C:\Users\Admin\AppData\Local\Temp\geyza.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1092
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3404,i,1999448010053300448,1112699187621658374,262144 --variations-seed-version --mojo-platform-channel-handle=4216 /prefetch:8
    1⤵
      PID:1256

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Pre-OS Boot

    1
    T1542

    Bootkit

    1
    T1542.003

    Credential Access

    Unsecured Credentials

    1
    T1552

    Credentials In Files

    1
    T1552.001

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    2
    T1082

    Remote System Discovery

    1
    T1018

    Lateral Movement

    Collection

    Data from Local System

    1
    T1005

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\geyza.exe
      Filesize

      406KB

      MD5

      a73caf28fc104ef05d9222071fb214a4

      SHA1

      19aab7440be47d064c4248ad3fe88819c2ad40ba

      SHA256

      8124bcac51c34946fd64af33076bab48b9c0cf3adcc69d16656c9cbb2c1c1a9f

      SHA512

      cd382de68dbd31f901ccf2fa8700313211d4bdb5f8f59be9fbb2f15d63fbf790f80be136aea751adc5824afb5d8d8d6ba2d84c1121c0253d1bc2deafbf64eba2

      Download Submit
    • \??\c:\Program Files\ibgpo\ggybn.dll
      Filesize

      228KB

      MD5

      a476297b6a7499e293901e3b27f240d6

      SHA1

      978e60e56cc41b4a9b413adfc1fb5f227ce0a281

      SHA256

      f30e4d028d2ac818837079a4eb4ce2449b187842db9a53d23ebbec782e7114ce

      SHA512

      faae6b77630e8f90f075f81d63b3a220f66db798de79df8feac0ede03117b1cbf0a1e233a34dc4d25eca87f238eea8b31c269c0baa21f4aee4703f1e444e360e

      Download Submit
    • memory/1092-11-0x0000000010000000-0x0000000010080000-memory.dmp
      Filesize

      512KB

      Download
    • memory/1092-12-0x0000000010000000-0x0000000010080000-memory.dmp
      Filesize

      512KB

      Download
    • memory/1092-14-0x0000000010000000-0x0000000010080000-memory.dmp
      Filesize

      512KB

      Download
    • memory/2372-6-0x0000000000400000-0x0000000000464000-memory.dmp
      Filesize

      400KB

      Download
    • memory/2372-8-0x0000000000400000-0x0000000000464000-memory.dmp
      Filesize

      400KB

      Download
    • memory/4856-0-0x0000000000400000-0x0000000000464000-memory.dmp
      Filesize

      400KB

      Download
    • memory/4856-2-0x0000000000400000-0x0000000000464000-memory.dmp
      Filesize

      400KB

      Download