Analysis
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max time kernel
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max time network
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platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
12-07-2024 13:45
Static task
static1
Behavioral task
behavioral1
Sample
3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe
Resource
win7-20240705-en
General
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Target
3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe
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Size
680KB
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MD5
3d9e3bf3109bfe73bccfb57e360fe465
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SHA1
36bd2e71a35f678c8d1e8066e616706f2dcb8610
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SHA256
b4b4889b0d6ac058b3d39e62c9cb32fea0abb700b92e1e10325e0854470aac50
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SHA512
f24992b8f03df563eca83cce818a0d5af04094acde38af3d0acf1ec40ae87272156f56ab72121becbd82f77d296ad39b60939d2282e0167b11dcf3b33db43be7
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SSDEEP
12288:a5393whFOBbosXQsI6f9fqAPzzEeEZchCBywRiaxJDj8DkIonQmP0Ove/diuHc:a53uhFzsAibzzEe9wRiaLSkI8QhOQ18
Malware Config
Extracted
quasar
2.1.0.0
ajith
23.105.131.178:7812
VNM_MUTEX_NdVd2sPSSqFdo7I35g
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encryption_key
jyerms3KOWmt3C9DBFuq
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install_name
Windows Defender Security.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Windows Update
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subdirectory
SubDir
Signatures
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Contains code to disable Windows Defender 5 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Processes:
resource yara_rule behavioral1/memory/2068-17-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def behavioral1/memory/2068-16-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def behavioral1/memory/2068-20-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def behavioral1/memory/2068-25-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def behavioral1/memory/2068-23-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def -
Processes:
Windows Security.exe_protected.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" Windows Security.exe_protected.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" Windows Security.exe_protected.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" Windows Security.exe_protected.exe Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection Windows Security.exe_protected.exe -
Quasar payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2068-17-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar behavioral1/memory/2068-16-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar behavioral1/memory/2068-20-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar behavioral1/memory/2068-25-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar behavioral1/memory/2068-23-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar -
Deletes itself 1 IoCs
Processes:
cmd.exepid Process 1404 cmd.exe -
Executes dropped EXE 6 IoCs
Processes:
Windows Security.exe_protected.exeWindows Security.exe_protected.exeWindows Defender Security.exeWindows Defender Security.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exepid Process 2208 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 2428 Windows Defender Security.exe 2532 Windows Defender Security.exe 1724 Windows Security.exe_protected.exe 1256 Windows Security.exe_protected.exe -
Loads dropped DLL 6 IoCs
Processes:
3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exeWindows Defender Security.execmd.exeWindows Security.exe_protected.exepid Process 2128 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 2208 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 2428 Windows Defender Security.exe 2472 cmd.exe 1724 Windows Security.exe_protected.exe -
Processes:
Windows Security.exe_protected.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features Windows Security.exe_protected.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" Windows Security.exe_protected.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Windows Security.exe_protected.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Windows Services = "C:\\Users\\Admin\\AppData\\Roaming\\Windows Update Folder\\Windows Update.exe" Windows Security.exe_protected.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 2 ip-api.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
Windows Security.exe_protected.exeWindows Defender Security.exeWindows Security.exe_protected.exedescription pid Process procid_target PID 2208 set thread context of 2068 2208 Windows Security.exe_protected.exe 31 PID 2428 set thread context of 2532 2428 Windows Defender Security.exe 39 PID 1724 set thread context of 1256 1724 Windows Security.exe_protected.exe 50 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid Process 2816 schtasks.exe 2480 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
Processes:
powershell.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exepid Process 2560 powershell.exe 2068 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 2068 Windows Security.exe_protected.exe 1256 Windows Security.exe_protected.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
Processes:
Windows Security.exe_protected.exepowershell.exeWindows Defender Security.exeWindows Security.exe_protected.exedescription pid Process Token: SeDebugPrivilege 2068 Windows Security.exe_protected.exe Token: SeDebugPrivilege 2560 powershell.exe Token: SeDebugPrivilege 2532 Windows Defender Security.exe Token: SeDebugPrivilege 2532 Windows Defender Security.exe Token: SeDebugPrivilege 1256 Windows Security.exe_protected.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Defender Security.exepid Process 2532 Windows Defender Security.exe -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exeWindows Defender Security.exeWindows Defender Security.execmd.execmd.exeWindows Security.exe_protected.exedescription pid Process procid_target PID 2128 wrote to memory of 2208 2128 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 30 PID 2128 wrote to memory of 2208 2128 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 30 PID 2128 wrote to memory of 2208 2128 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 30 PID 2128 wrote to memory of 2208 2128 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 30 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2208 wrote to memory of 2068 2208 Windows Security.exe_protected.exe 31 PID 2068 wrote to memory of 2816 2068 Windows Security.exe_protected.exe 34 PID 2068 wrote to memory of 2816 2068 Windows Security.exe_protected.exe 34 PID 2068 wrote to memory of 2816 2068 Windows Security.exe_protected.exe 34 PID 2068 wrote to memory of 2816 2068 Windows Security.exe_protected.exe 34 PID 2068 wrote to memory of 2428 2068 Windows Security.exe_protected.exe 36 PID 2068 wrote to memory of 2428 2068 Windows Security.exe_protected.exe 36 PID 2068 wrote to memory of 2428 2068 Windows Security.exe_protected.exe 36 PID 2068 wrote to memory of 2428 2068 Windows Security.exe_protected.exe 36 PID 2068 wrote to memory of 2560 2068 Windows Security.exe_protected.exe 37 PID 2068 wrote to memory of 2560 2068 Windows Security.exe_protected.exe 37 PID 2068 wrote to memory of 2560 2068 Windows Security.exe_protected.exe 37 PID 2068 wrote to memory of 2560 2068 Windows Security.exe_protected.exe 37 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2428 wrote to memory of 2532 2428 Windows Defender Security.exe 39 PID 2532 wrote to memory of 2480 2532 Windows Defender Security.exe 40 PID 2532 wrote to memory of 2480 2532 Windows Defender Security.exe 40 PID 2532 wrote to memory of 2480 2532 Windows Defender Security.exe 40 PID 2532 wrote to memory of 2480 2532 Windows Defender Security.exe 40 PID 2068 wrote to memory of 600 2068 Windows Security.exe_protected.exe 42 PID 2068 wrote to memory of 600 2068 Windows Security.exe_protected.exe 42 PID 2068 wrote to memory of 600 2068 Windows Security.exe_protected.exe 42 PID 2068 wrote to memory of 600 2068 Windows Security.exe_protected.exe 42 PID 600 wrote to memory of 1404 600 cmd.exe 44 PID 600 wrote to memory of 1404 600 cmd.exe 44 PID 600 wrote to memory of 1404 600 cmd.exe 44 PID 600 wrote to memory of 1404 600 cmd.exe 44 PID 2068 wrote to memory of 2472 2068 Windows Security.exe_protected.exe 45 PID 2068 wrote to memory of 2472 2068 Windows Security.exe_protected.exe 45 PID 2068 wrote to memory of 2472 2068 Windows Security.exe_protected.exe 45 PID 2068 wrote to memory of 2472 2068 Windows Security.exe_protected.exe 45 PID 2472 wrote to memory of 1480 2472 cmd.exe 47 PID 2472 wrote to memory of 1480 2472 cmd.exe 47 PID 2472 wrote to memory of 1480 2472 cmd.exe 47 PID 2472 wrote to memory of 1480 2472 cmd.exe 47 PID 2472 wrote to memory of 348 2472 cmd.exe 48 PID 2472 wrote to memory of 348 2472 cmd.exe 48 PID 2472 wrote to memory of 348 2472 cmd.exe 48 PID 2472 wrote to memory of 348 2472 cmd.exe 48 PID 2472 wrote to memory of 1724 2472 cmd.exe 49 PID 2472 wrote to memory of 1724 2472 cmd.exe 49 PID 2472 wrote to memory of 1724 2472 cmd.exe 49 PID 2472 wrote to memory of 1724 2472 cmd.exe 49 PID 1724 wrote to memory of 1256 1724 Windows Security.exe_protected.exe 50 PID 1724 wrote to memory of 1256 1724 Windows Security.exe_protected.exe 50
Processes
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C:\Users\Admin\AppData\Local\Temp\3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2128 -
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe" /silent2⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2208 -
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe"3⤵
- Modifies Windows Defender Real-time Protection settings
- Executes dropped EXE
- Loads dropped DLL
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2068 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Windows Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe" /rl HIGHEST /f4⤵
- Scheduled Task/Job: Scheduled Task
PID:2816
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C:\Users\Admin\AppData\Roaming\SubDir\Windows Defender Security.exe"C:\Users\Admin\AppData\Roaming\SubDir\Windows Defender Security.exe"4⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2428 -
C:\Users\Admin\AppData\Roaming\SubDir\Windows Defender Security.exe"C:\Users\Admin\AppData\Roaming\SubDir\Windows Defender Security.exe"5⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2532 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Windows Update" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\SubDir\Windows Defender Security.exe" /rl HIGHEST /f6⤵
- Scheduled Task/Job: Scheduled Task
PID:2480
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2560
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit4⤵
- Suspicious use of WriteProcessMemory
PID:600 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*5⤵
- Deletes itself
PID:1404
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C:\Windows\SysWOW64\cmd.execmd /c ""C:\Users\Admin\AppData\Local\Temp\O3N7IjOzWIVc.bat" "4⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2472 -
C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:1480
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:348
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C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe"5⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe"C:\Users\Admin\AppData\Local\Temp\7ZipSfx.000\Windows Security.exe_protected.exe"6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1256
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
239B
MD54c0cf454c67d0e0a6673e83bcf9d6f4b
SHA1ebfb15f75be74baea92dd23bd9189d84e0d239db
SHA2561c730d6304c563f6703b6da3d182878bc1a81af7ba51041eaa8966e5810dae33
SHA5126770eea686031316cc1b67ef3d5a687cffc8377899a069ee5f42a538df60070cd6d102479daba0d60b9e1154308ef59d0389799d67e091879e01c5803a368a90
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
648KB
MD5763dd9b7f2a5183a1380bee36889f936
SHA1cdc7f9911a853973fc83d0e1a51ee5e82da347c9
SHA2564be9a02e54e86920ed2bcaef3d28253ad0f4f3b005a14c656d74966589ca2039
SHA5127ce621d758a7e12d026d669a5a9827e4dbec130baf05c51e8937227b9f35f5ef7ecfc4e60202f1e3d2f7aa67d665f612bfa0db92cd1ec3d2420a8207b152e37c