Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20240709-en -
resource tags
arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system -
submitted
16-07-2024 18:53
Static task
static1
Behavioral task
behavioral1
Sample
4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe
Resource
win7-20240704-en
General
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Target
4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe
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Size
680KB
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MD5
4f99850bfde0c6703b4f2c8420b9dc8f
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SHA1
c60d92f1e0529b2e770858e180906bf9fae631a9
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SHA256
94dc30c7b03813bb558ec30577f0761dc2bfcedd3aa0dea665a88ab84f08aa33
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SHA512
0d311592bc2dc5ececb3afae6dee5842b9f6a37710d29f5f1a3fe8a27d3e43a625a57039bef92044744d8a0225c52260cc9757b148deb9e0c4e72781e1a89aec
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SSDEEP
12288:75393whFOBbQVXQsI6f9fqAPzzEeEZchCBywRiaxJDj8DkIonQmP0Ove/diuHc:753uhF7VAibzzEe9wRiaLSkI8QhOQ18
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/4260-23-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def -
Processes:
Windows Security.exe_protected.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection Windows Security.exe_protected.exe 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 -
Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4260-23-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exeWindows Security.exe_protected.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation 4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe Key value queried \REGISTRY\USER\S-1-5-21-2990742725-2267136959-192470804-1000\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 Security.exe_protected.exeWindows Defender Security.exeWindows Defender Security.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exepid Process 3588 Windows Security.exe_protected.exe 1488 Windows Security.exe_protected.exe 4260 Windows Security.exe_protected.exe 1608 Windows Defender Security.exe 2152 Windows Defender Security.exe 1100 Windows Security.exe_protected.exe 4692 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-1-5-21-2990742725-2267136959-192470804-1000\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 21 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 3588 set thread context of 4260 3588 Windows Security.exe_protected.exe 89 PID 1608 set thread context of 2152 1608 Windows Defender Security.exe 97 PID 1100 set thread context of 4692 1100 Windows Security.exe_protected.exe 111 -
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 1512 schtasks.exe 1912 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
Windows Security.exe_protected.exepowershell.exeWindows Security.exe_protected.exeWindows Security.exe_protected.exepid Process 3588 Windows Security.exe_protected.exe 3588 Windows Security.exe_protected.exe 436 powershell.exe 436 powershell.exe 4260 Windows Security.exe_protected.exe 4260 Windows Security.exe_protected.exe 4260 Windows Security.exe_protected.exe 4260 Windows Security.exe_protected.exe 4260 Windows Security.exe_protected.exe 4260 Windows Security.exe_protected.exe 4260 Windows Security.exe_protected.exe 4692 Windows Security.exe_protected.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
Windows Security.exe_protected.exeWindows Security.exe_protected.exepowershell.exeWindows Defender Security.exeWindows Security.exe_protected.exedescription pid Process Token: SeDebugPrivilege 3588 Windows Security.exe_protected.exe Token: SeDebugPrivilege 4260 Windows Security.exe_protected.exe Token: SeDebugPrivilege 436 powershell.exe Token: SeDebugPrivilege 2152 Windows Defender Security.exe Token: SeDebugPrivilege 2152 Windows Defender Security.exe Token: SeDebugPrivilege 4692 Windows Security.exe_protected.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Defender Security.exepid Process 2152 Windows Defender Security.exe -
Suspicious use of WriteProcessMemory 60 IoCs
Processes:
4f99850bfde0c6703b4f2c8420b9dc8f_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 3848 wrote to memory of 3588 3848 4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe 87 PID 3848 wrote to memory of 3588 3848 4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe 87 PID 3848 wrote to memory of 3588 3848 4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe 87 PID 3588 wrote to memory of 1488 3588 Windows Security.exe_protected.exe 88 PID 3588 wrote to memory of 1488 3588 Windows Security.exe_protected.exe 88 PID 3588 wrote to memory of 1488 3588 Windows Security.exe_protected.exe 88 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 3588 wrote to memory of 4260 3588 Windows Security.exe_protected.exe 89 PID 4260 wrote to memory of 1512 4260 Windows Security.exe_protected.exe 92 PID 4260 wrote to memory of 1512 4260 Windows Security.exe_protected.exe 92 PID 4260 wrote to memory of 1512 4260 Windows Security.exe_protected.exe 92 PID 4260 wrote to memory of 1608 4260 Windows Security.exe_protected.exe 94 PID 4260 wrote to memory of 1608 4260 Windows Security.exe_protected.exe 94 PID 4260 wrote to memory of 1608 4260 Windows Security.exe_protected.exe 94 PID 4260 wrote to memory of 436 4260 Windows Security.exe_protected.exe 95 PID 4260 wrote to memory of 436 4260 Windows Security.exe_protected.exe 95 PID 4260 wrote to memory of 436 4260 Windows Security.exe_protected.exe 95 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 1608 wrote to memory of 2152 1608 Windows Defender Security.exe 97 PID 2152 wrote to memory of 1912 2152 Windows Defender Security.exe 98 PID 2152 wrote to memory of 1912 2152 Windows Defender Security.exe 98 PID 2152 wrote to memory of 1912 2152 Windows Defender Security.exe 98 PID 4260 wrote to memory of 1972 4260 Windows Security.exe_protected.exe 100 PID 4260 wrote to memory of 1972 4260 Windows Security.exe_protected.exe 100 PID 4260 wrote to memory of 1972 4260 Windows Security.exe_protected.exe 100 PID 1972 wrote to memory of 4028 1972 cmd.exe 102 PID 1972 wrote to memory of 4028 1972 cmd.exe 102 PID 1972 wrote to memory of 4028 1972 cmd.exe 102 PID 4260 wrote to memory of 1528 4260 Windows Security.exe_protected.exe 103 PID 4260 wrote to memory of 1528 4260 Windows Security.exe_protected.exe 103 PID 4260 wrote to memory of 1528 4260 Windows Security.exe_protected.exe 103 PID 1528 wrote to memory of 1804 1528 cmd.exe 105 PID 1528 wrote to memory of 1804 1528 cmd.exe 105 PID 1528 wrote to memory of 1804 1528 cmd.exe 105 PID 1528 wrote to memory of 4372 1528 cmd.exe 106 PID 1528 wrote to memory of 4372 1528 cmd.exe 106 PID 1528 wrote to memory of 4372 1528 cmd.exe 106 PID 1528 wrote to memory of 1100 1528 cmd.exe 110 PID 1528 wrote to memory of 1100 1528 cmd.exe 110 PID 1528 wrote to memory of 1100 1528 cmd.exe 110 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111 PID 1100 wrote to memory of 4692 1100 Windows Security.exe_protected.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\4f99850bfde0c6703b4f2c8420b9dc8f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3848 -
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"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588 -
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⤵
- Executes dropped EXE
PID:1488
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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"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:4260 -
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:1512
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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:1608 -
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:2152 -
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:1912
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:436
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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:1972 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*5⤵PID:4028
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\EYYmrjWxAN1C.bat" "4⤵
- Suspicious use of WriteProcessMemory
PID:1528 -
C:\Windows\SysWOW64\chcp.comchcp 650015⤵PID:1804
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost5⤵
- Runs ping.exe
PID:4372
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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 use of WriteProcessMemory
PID:1100 -
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:4692
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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
MD5125a39549860a1706361e648d4a2552a
SHA1e611307a9a2b1ed7baeb629aed9cda97901f3b17
SHA2565e549cfa59ea0459fe72d8f60353b3b5df072fcdaa4bbfb004abf3779de3ff9b
SHA51238b7dcd3a522435ad43c45a4b58ba52c66a3c0e638388732bf8204bb9895021af42ca741516b9c000560ce8ebff25461cd3a09aa4f1b59f4ac974a368823f821
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82