Overview

overview

10

Static

static

3

a410f6bd37...18.exe

windows7-x64

10

a410f6bd37...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    112s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-06-2024 05:50

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General

  • Target

    a410f6bd37a266dc450fa073629b7cbc_JaffaCakes118.exe

  • Size

    5.2MB

  • MD5

    a410f6bd37a266dc450fa073629b7cbc

  • SHA1

    48fafe2c47daec3bc90b4fc92ca1eaef5f2da171

  • SHA256

    1467fe3265b0b8f88e0987481406fd4f12d52deed6121f5af99c2d2b9b20d99c

  • SHA512

    df8eb046c879e1adf95b24fdd100ca69440b2287f0cb90f70894232f726a64f24012e9bc13031087ffb2efbc987e93a9621c1b458043ef0c676b6e1c6377fc89

  • SSDEEP

    49152:1eaOFKQPrvUrRiGcdoVsyG/3JojFPpeiYDp2kNNJ7H8lsL6oUlMXhRMHwERw7s7b:aFLIgoVsyGBojpClTHXhRy/RwI4MJ9

Score
10/10
gluptebadropperevasionloaderpersistence

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • 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
  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a410f6bd37a266dc450fa073629b7cbc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a410f6bd37a266dc450fa073629b7cbc_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4048
    • C:\Users\Admin\AppData\Local\Temp\a410f6bd37a266dc450fa073629b7cbc_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\a410f6bd37a266dc450fa073629b7cbc_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:856
      • 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:3256
        • 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:4924
      • 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:4796
        • 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:5080
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        PID:3636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    5.2MB

    MD5

    a410f6bd37a266dc450fa073629b7cbc

    SHA1

    48fafe2c47daec3bc90b4fc92ca1eaef5f2da171

    SHA256

    1467fe3265b0b8f88e0987481406fd4f12d52deed6121f5af99c2d2b9b20d99c

    SHA512

    df8eb046c879e1adf95b24fdd100ca69440b2287f0cb90f70894232f726a64f24012e9bc13031087ffb2efbc987e93a9621c1b458043ef0c676b6e1c6377fc89

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