Overview

overview

10

Static

static

1

JaffaCakes...6d.exe

windows7-x64

10

JaffaCakes...6d.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    45s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 01:14

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General

  • Target

    JaffaCakes118_54f0a4bcdae11eb7f22560b278e4b63a2f8bd6556a52fa45ac9b3c7462e8826d.exe

  • Size

    4.3MB

  • MD5

    c317716f38b4110059e6861c22b751e4

  • SHA1

    603f8a836fb542c114fed25d6d32281663f4ebf8

  • SHA256

    54f0a4bcdae11eb7f22560b278e4b63a2f8bd6556a52fa45ac9b3c7462e8826d

  • SHA512

    dfd643f61fd8977fba89304ba344c118ef3e1288bbd471d831e05a2e3e1396bc813da08b5873931bd6277f184955a3f17ecb19ac2e94a5a5150fbe6b4bba3fb9

  • SSDEEP

    98304:75smRrI8l31tXy5Bl5tdmDp0DVsjKkOenvtvoJ:7Jasyp5OeD2jTDv6J

Score
10/10
gluptebametasploitbackdoordiscoverydropperevasionloaderpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba family
    glupteba
  • Glupteba payload 8 IoCs
  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    trojanbackdoormetasploit
  • Metasploit family
    metasploit
  • Windows security bypass 2 TTPs 10 IoCs
    evasiontrojan
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Windows security modification 2 TTPs 10 IoCs
    evasiontrojan
  • 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 3 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 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
  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f0a4bcdae11eb7f22560b278e4b63a2f8bd6556a52fa45ac9b3c7462e8826d.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f0a4bcdae11eb7f22560b278e4b63a2f8bd6556a52fa45ac9b3c7462e8826d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f0a4bcdae11eb7f22560b278e4b63a2f8bd6556a52fa45ac9b3c7462e8826d.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_54f0a4bcdae11eb7f22560b278e4b63a2f8bd6556a52fa45ac9b3c7462e8826d.exe"
      2⤵
      • Windows security bypass
      • Loads dropped DLL
      • Windows security modification
      • 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:2928
      • 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:2908
        • 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
          • Modifies data under HKEY_USERS
          PID:2888
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /188-188
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:2728
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20241229011429.log C:\Windows\Logs\CBS\CbsPersist_20241229011429.cab
    1⤵
    • Drops file in Windows directory
    PID:2864

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

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

3
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

  • \Windows\rss\csrss.exe
    Filesize

    4.3MB

    MD5

    c317716f38b4110059e6861c22b751e4

    SHA1

    603f8a836fb542c114fed25d6d32281663f4ebf8

    SHA256

    54f0a4bcdae11eb7f22560b278e4b63a2f8bd6556a52fa45ac9b3c7462e8826d

    SHA512

    dfd643f61fd8977fba89304ba344c118ef3e1288bbd471d831e05a2e3e1396bc813da08b5873931bd6277f184955a3f17ecb19ac2e94a5a5150fbe6b4bba3fb9

    Download Submit

  • memory/1968-9-0x0000000002D80000-0x000000000369E000-memory.dmp

    Filesize

    9.1MB

    Download

  • memory/1968-5-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/1968-3-0x0000000000400000-0x0000000000D39000-memory.dmp

    Filesize

    9.2MB

    Download

  • memory/1968-1-0x0000000002940000-0x0000000002D7B000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/1968-7-0x0000000002940000-0x0000000002D7B000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/1968-10-0x0000000000400000-0x0000000000D39000-memory.dmp

    Filesize

    9.2MB

    Download

  • memory/1968-0-0x0000000002940000-0x0000000002D7B000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/1968-2-0x0000000002D80000-0x000000000369E000-memory.dmp

    Filesize

    9.1MB

    Download

  • memory/2728-19-0x0000000002730000-0x0000000002B6B000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2728-21-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2928-6-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2928-8-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2928-4-0x0000000002840000-0x0000000002C7B000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2928-20-0x0000000000400000-0x0000000002574000-memory.dmp

    Filesize

    33.5MB

    Download