Overview

overview

10

Static

static

10

9327d8a117...18.exe

windows7-x64

10

9327d8a117...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-06-2024 00:38

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General

  • Target

    9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe

  • Size

    6.9MB

  • MD5

    9327d8a117e01b69e61a7690fed88818

  • SHA1

    394ab8c6728e2ffa1381e6afe3e52d15d44c6965

  • SHA256

    b7691c583984fe210bbc5ce7291dd2a80dd969d7b33e25863c99311303febbc3

  • SHA512

    b58962e98750064aa16e738b81ac76c39206ae6bb65c9ddf01a6cdd5bd2d979522bbb7a61544efe87ec0d6475965206d57459961214848d020acab25f113c47d

  • SSDEEP

    98304:aQ8/Py9frbxvXKKkGxTVhG2+9Mpq6vQt/Ibt1YcyDgs:L8nylrZtjG9MpqINns

Score
10/10
gluptebadropperevasionloaderpersistence

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba payload 1 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
  • Drops file in System32 directory 6 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
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4644
    • C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9327d8a117e01b69e61a7690fed88818_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4548
      • 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:1928
        • 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:2964
      • 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:1860
        • 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
          PID:3976
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        PID:3728

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

    6.9MB

    MD5

    9327d8a117e01b69e61a7690fed88818

    SHA1

    394ab8c6728e2ffa1381e6afe3e52d15d44c6965

    SHA256

    b7691c583984fe210bbc5ce7291dd2a80dd969d7b33e25863c99311303febbc3

    SHA512

    b58962e98750064aa16e738b81ac76c39206ae6bb65c9ddf01a6cdd5bd2d979522bbb7a61544efe87ec0d6475965206d57459961214848d020acab25f113c47d

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