Overview

overview

10

Static

static

3

bb4749d67c...18.exe

windows7-x64

10

bb4749d67c...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-08-2024 10:02

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General

  • Target

    bb4749d67cabfd41acf633cf0956665f_JaffaCakes118.exe

  • Size

    6.0MB

  • MD5

    bb4749d67cabfd41acf633cf0956665f

  • SHA1

    c2a2bd71a4ee523e7c5cf209f7b3656618cd3309

  • SHA256

    8534cd1f2264de05f41807b583b636e5ad0ebb9e3ab08ab0e5bef587178c8c16

  • SHA512

    64dcfcdb884baa808013bd8674f21400e32eb39dff1fc0316d5538bf2e20503465d03073953b335af9faab1d12467b7eabdbcc55b9a05757207b207a626cba24

  • SSDEEP

    98304:8yKUf6vxvQz0cI8FWEVTsEj3HHUCZ5rHGIzcb78rwA+qDza+nQElEjvky:81uXIYVThnUCZ5CIa7ifa+nQzjv

Score
10/10
gluptebadiscoverydropperevasionloaderpersistenceprivilege_escalation

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba payload 9 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb4749d67cabfd41acf633cf0956665f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bb4749d67cabfd41acf633cf0956665f_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1328
    • C:\Users\Admin\AppData\Local\Temp\bb4749d67cabfd41acf633cf0956665f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\bb4749d67cabfd41acf633cf0956665f_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1200
      • 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:3656
        • 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
          • Event Triggered Execution: Netsh Helper DLL
          PID:2372
      • 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\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4820
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          PID:4132
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /6-JaffaCakes118
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4396
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1200 -s 888
        3⤵
        • Program crash
        PID:4964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1328 -s 856
      2⤵
      • Program crash
      PID:1776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1328 -ip 1328
    1⤵
      PID:3944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1200 -ip 1200
      1⤵
        PID:1356

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      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

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      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

      Event Triggered Execution

      1
      T1546

      Netsh Helper DLL

      1
      T1546.007

      Defense Evasion

      Impair Defenses

      1
      T1562

      Disable or Modify System Firewall

      1
      T1562.004

      Modify Registry

      1
      T1112

      Credential Access

      Discovery

      System Information Discovery

      1
      T1082

      System Location Discovery

      1
      T1614

      System Language Discovery

      1
      T1614.001

      Lateral Movement

      Collection

      Command and Control

      Exfiltration

      Impact

      Replay Monitor

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      Downloads

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

        6.0MB

        MD5

        bb4749d67cabfd41acf633cf0956665f

        SHA1

        c2a2bd71a4ee523e7c5cf209f7b3656618cd3309

        SHA256

        8534cd1f2264de05f41807b583b636e5ad0ebb9e3ab08ab0e5bef587178c8c16

        SHA512

        64dcfcdb884baa808013bd8674f21400e32eb39dff1fc0316d5538bf2e20503465d03073953b335af9faab1d12467b7eabdbcc55b9a05757207b207a626cba24

        Download Submit

      • memory/1200-8-0x0000000000400000-0x0000000001D1F000-memory.dmp

        Filesize

        25.1MB

        Download

      • memory/1200-9-0x0000000000400000-0x0000000001D1F000-memory.dmp

        Filesize

        25.1MB

        Download

      • memory/1200-10-0x0000000000400000-0x0000000001D1F000-memory.dmp

        Filesize

        25.1MB

        Download

      • memory/1200-11-0x0000000000400000-0x0000000001D1F000-memory.dmp

        Filesize

        25.1MB

        Download

      • memory/1200-17-0x0000000000400000-0x0000000001D1F000-memory.dmp

        Filesize

        25.1MB

        Download

      • memory/1328-1-0x00000000040F0000-0x00000000045CA000-memory.dmp

        Filesize

        4.9MB

        Download

      • memory/1328-2-0x00000000045D0000-0x0000000004CA0000-memory.dmp

        Filesize

        6.8MB

        Download

      • memory/1328-3-0x0000000000400000-0x0000000000AEB000-memory.dmp

        Filesize

        6.9MB

        Download

      • memory/1328-5-0x0000000000400000-0x0000000000AEB000-memory.dmp

        Filesize

        6.9MB

        Download

      • memory/1328-6-0x00000000045D0000-0x0000000004CA0000-memory.dmp

        Filesize

        6.8MB

        Download

      • memory/1328-4-0x0000000000400000-0x0000000001D1F000-memory.dmp

        Filesize

        25.1MB

        Download