Analysis
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max time kernel
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max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-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 1 IoCs
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
Processes:
resource yara_rule behavioral2/memory/860-22-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def -
Processes:
Windows Security.exe_protected.exedescription ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" Windows Security.exe_protected.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" Windows Security.exe_protected.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" Windows Security.exe_protected.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection Windows Security.exe_protected.exe -
Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/860-22-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exeWindows Security.exe_protected.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-1176886754-713327781-2233697964-1000\Control Panel\International\Geo\Nation Windows Security.exe_protected.exe -
Executes dropped EXE 7 IoCs
Processes:
Windows Security.exe_protected.exeWindows Security.exe_protected.exeWindows Defender Security.exeWindows Defender Security.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exepid Process 2324 Windows Security.exe_protected.exe 860 Windows Security.exe_protected.exe 4248 Windows Defender Security.exe 4616 Windows Defender Security.exe 1336 Windows Security.exe_protected.exe 2080 Windows Security.exe_protected.exe 220 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-1-5-21-1176886754-713327781-2233697964-1000\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 14 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 2324 set thread context of 860 2324 Windows Security.exe_protected.exe 87 PID 4248 set thread context of 4616 4248 Windows Defender Security.exe 94 PID 1336 set thread context of 220 1336 Windows Security.exe_protected.exe 109 -
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 3064 schtasks.exe 4832 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
powershell.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exepid Process 1588 powershell.exe 1588 powershell.exe 860 Windows Security.exe_protected.exe 860 Windows Security.exe_protected.exe 860 Windows Security.exe_protected.exe 860 Windows Security.exe_protected.exe 860 Windows Security.exe_protected.exe 860 Windows Security.exe_protected.exe 860 Windows Security.exe_protected.exe 1336 Windows Security.exe_protected.exe 1336 Windows Security.exe_protected.exe 220 Windows Security.exe_protected.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Windows Security.exe_protected.exepowershell.exeWindows Defender Security.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exedescription pid Process Token: SeDebugPrivilege 860 Windows Security.exe_protected.exe Token: SeDebugPrivilege 1588 powershell.exe Token: SeDebugPrivilege 4616 Windows Defender Security.exe Token: SeDebugPrivilege 4616 Windows Defender Security.exe Token: SeDebugPrivilege 1336 Windows Security.exe_protected.exe Token: SeDebugPrivilege 220 Windows Security.exe_protected.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Defender Security.exepid Process 4616 Windows Defender Security.exe -
Suspicious use of WriteProcessMemory 60 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 3936 wrote to memory of 2324 3936 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 86 PID 3936 wrote to memory of 2324 3936 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 86 PID 3936 wrote to memory of 2324 3936 3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe 86 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 2324 wrote to memory of 860 2324 Windows Security.exe_protected.exe 87 PID 860 wrote to memory of 3064 860 Windows Security.exe_protected.exe 89 PID 860 wrote to memory of 3064 860 Windows Security.exe_protected.exe 89 PID 860 wrote to memory of 3064 860 Windows Security.exe_protected.exe 89 PID 860 wrote to memory of 4248 860 Windows Security.exe_protected.exe 91 PID 860 wrote to memory of 4248 860 Windows Security.exe_protected.exe 91 PID 860 wrote to memory of 4248 860 Windows Security.exe_protected.exe 91 PID 860 wrote to memory of 1588 860 Windows Security.exe_protected.exe 92 PID 860 wrote to memory of 1588 860 Windows Security.exe_protected.exe 92 PID 860 wrote to memory of 1588 860 Windows Security.exe_protected.exe 92 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4248 wrote to memory of 4616 4248 Windows Defender Security.exe 94 PID 4616 wrote to memory of 4832 4616 Windows Defender Security.exe 95 PID 4616 wrote to memory of 4832 4616 Windows Defender Security.exe 95 PID 4616 wrote to memory of 4832 4616 Windows Defender Security.exe 95 PID 860 wrote to memory of 4632 860 Windows Security.exe_protected.exe 97 PID 860 wrote to memory of 4632 860 Windows Security.exe_protected.exe 97 PID 860 wrote to memory of 4632 860 Windows Security.exe_protected.exe 97 PID 4632 wrote to memory of 3196 4632 cmd.exe 99 PID 4632 wrote to memory of 3196 4632 cmd.exe 99 PID 4632 wrote to memory of 3196 4632 cmd.exe 99 PID 860 wrote to memory of 2244 860 Windows Security.exe_protected.exe 100 PID 860 wrote to memory of 2244 860 Windows Security.exe_protected.exe 100 PID 860 wrote to memory of 2244 860 Windows Security.exe_protected.exe 100 PID 2244 wrote to memory of 4664 2244 cmd.exe 102 PID 2244 wrote to memory of 4664 2244 cmd.exe 102 PID 2244 wrote to memory of 4664 2244 cmd.exe 102 PID 2244 wrote to memory of 4992 2244 cmd.exe 103 PID 2244 wrote to memory of 4992 2244 cmd.exe 103 PID 2244 wrote to memory of 4992 2244 cmd.exe 103 PID 2244 wrote to memory of 1336 2244 cmd.exe 107 PID 2244 wrote to memory of 1336 2244 cmd.exe 107 PID 2244 wrote to memory of 1336 2244 cmd.exe 107 PID 1336 wrote to memory of 2080 1336 Windows Security.exe_protected.exe 108 PID 1336 wrote to memory of 2080 1336 Windows Security.exe_protected.exe 108 PID 1336 wrote to memory of 2080 1336 Windows Security.exe_protected.exe 108 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109 PID 1336 wrote to memory of 220 1336 Windows Security.exe_protected.exe 109
Processes
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C:\Users\Admin\AppData\Local\Temp\3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\3d9e3bf3109bfe73bccfb57e360fe465_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3936 -
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
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2324 -
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
- Checks computer location settings
- Executes dropped EXE
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:860 -
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:3064
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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
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4248 -
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:4616 -
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:4832
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1588
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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:4632 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*5⤵PID:3196
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\VAHHduj5TixU.bat" "4⤵
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:4664
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:4992
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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
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1336 -
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
PID:2080
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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"6⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:220
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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
507B
MD58cf94b5356be60247d331660005941ec
SHA1fdedb361f40f22cb6a086c808fc0056d4e421131
SHA25652a5b2d36f2b72cb02c695cf7ef46444dda73d4ea82a73e0894c805fa9987bc0
SHA512b886dfc8bf03f8627f051fb6e2ac40ae2e7713584695a365728eb2e2c87217830029aa35bd129c642fa03dde3f7a7dd5690b16248676be60a6bb5f497fb23651
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Filesize
648KB
MD5763dd9b7f2a5183a1380bee36889f936
SHA1cdc7f9911a853973fc83d0e1a51ee5e82da347c9
SHA2564be9a02e54e86920ed2bcaef3d28253ad0f4f3b005a14c656d74966589ca2039
SHA5127ce621d758a7e12d026d669a5a9827e4dbec130baf05c51e8937227b9f35f5ef7ecfc4e60202f1e3d2f7aa67d665f612bfa0db92cd1ec3d2420a8207b152e37c
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Filesize
239B
MD551f28b52d509bd7808b85b8c2e1553e2
SHA1acf9b1aee2d2eebfb25e073a9f1d59af7d975c01
SHA2567bbdfd2742c48cecf78a3ccac36351e0c0433e70d128dd14e691d522278ff3b7
SHA512078597853754b38c333a7b80a7ea16c2d5f0932c75553ce6939d4ec813cb8db311348d7fdeb42ba130c7bcc7b26dca0ccec709def16672ca5fbfd4fbc1f57ac2
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82