Analysis
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max time kernel
151s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
22-12-2023 00:33
Static task
static1
Behavioral task
behavioral1
Sample
380cd105672b970a3783c0036ebaf09d.exe
Resource
win7-20231215-en
General
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Target
380cd105672b970a3783c0036ebaf09d.exe
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Size
1.0MB
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MD5
380cd105672b970a3783c0036ebaf09d
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SHA1
112ee91c03921b1aaa3ca9b901054a62a11b0268
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SHA256
358b3681682b402dba9c1bf1297193fe257d8cc11e51c2924c657eb2057beb04
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SHA512
e3e7954328a98af7b4dd3ec0efa2c390f6d10b8e2037e582043902482f7e90241b0565c0da7972f14193efe517a305441306cb7c32b2f444ba5c58c1c7c5f2da
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SSDEEP
24576:Lw/UH7Q9OEKM4TbVOD6s6F+2iYNenwhhWZ0ZnLsm:FH7QAHTbVOD6sl2Zhh
Malware Config
Extracted
quasar
2.1.0.0
SEP05
23.105.131.187:7812
VNM_MUTEX_mn3z5p1P4yabWtL9nJ
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encryption_key
R5zGfMq4QEUio50PoLwo
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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 Service
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subdirectory
Windows Security Firewall
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/2984-9-0x0000000000400000-0x000000000048C000-memory.dmp disable_win_def -
Processes:
380cd105672b970a3783c0036ebaf09d.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection 380cd105672b970a3783c0036ebaf09d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" 380cd105672b970a3783c0036ebaf09d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" 380cd105672b970a3783c0036ebaf09d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" 380cd105672b970a3783c0036ebaf09d.exe -
Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2984-9-0x0000000000400000-0x000000000048C000-memory.dmp family_quasar -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
380cd105672b970a3783c0036ebaf09d.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\Control Panel\International\Geo\Nation 380cd105672b970a3783c0036ebaf09d.exe -
Executes dropped EXE 2 IoCs
Processes:
Windows Defender Security.exeWindows Defender Security.exepid process 4088 Windows Defender Security.exe 2304 Windows Defender Security.exe -
Processes:
380cd105672b970a3783c0036ebaf09d.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features 380cd105672b970a3783c0036ebaf09d.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" 380cd105672b970a3783c0036ebaf09d.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
380cd105672b970a3783c0036ebaf09d.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-983843758-932321429-1636175382-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\rQDLJjyJSH = "C:\\Users\\Admin\\AppData\\Roaming\\AyBtHTTCxa\\gSGYsYDHyz.exe" 380cd105672b970a3783c0036ebaf09d.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 36 ip-api.com -
Suspicious use of SetThreadContext 3 IoCs
Processes:
380cd105672b970a3783c0036ebaf09d.exeWindows Defender Security.exe380cd105672b970a3783c0036ebaf09d.exedescription pid process target process PID 3064 set thread context of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 4088 set thread context of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 652 set thread context of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 1840 schtasks.exe 3860 schtasks.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
380cd105672b970a3783c0036ebaf09d.exepowershell.exe380cd105672b970a3783c0036ebaf09d.exe380cd105672b970a3783c0036ebaf09d.exe380cd105672b970a3783c0036ebaf09d.exepid process 3064 380cd105672b970a3783c0036ebaf09d.exe 3064 380cd105672b970a3783c0036ebaf09d.exe 3884 powershell.exe 3884 powershell.exe 3884 powershell.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 2984 380cd105672b970a3783c0036ebaf09d.exe 652 380cd105672b970a3783c0036ebaf09d.exe 652 380cd105672b970a3783c0036ebaf09d.exe 3008 380cd105672b970a3783c0036ebaf09d.exe 3008 380cd105672b970a3783c0036ebaf09d.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
Processes:
380cd105672b970a3783c0036ebaf09d.exe380cd105672b970a3783c0036ebaf09d.exepowershell.exeWindows Defender Security.exe380cd105672b970a3783c0036ebaf09d.exe380cd105672b970a3783c0036ebaf09d.exedescription pid process Token: SeDebugPrivilege 3064 380cd105672b970a3783c0036ebaf09d.exe Token: SeDebugPrivilege 2984 380cd105672b970a3783c0036ebaf09d.exe Token: SeDebugPrivilege 3884 powershell.exe Token: SeDebugPrivilege 2304 Windows Defender Security.exe Token: SeDebugPrivilege 2304 Windows Defender Security.exe Token: SeDebugPrivilege 652 380cd105672b970a3783c0036ebaf09d.exe Token: SeDebugPrivilege 3008 380cd105672b970a3783c0036ebaf09d.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Windows Defender Security.exepid process 2304 Windows Defender Security.exe -
Suspicious use of WriteProcessMemory 60 IoCs
Processes:
380cd105672b970a3783c0036ebaf09d.exe380cd105672b970a3783c0036ebaf09d.exeWindows Defender Security.exeWindows Defender Security.execmd.execmd.exe380cd105672b970a3783c0036ebaf09d.exedescription pid process target process PID 3064 wrote to memory of 1324 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 1324 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 1324 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 3064 wrote to memory of 2984 3064 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 2984 wrote to memory of 1840 2984 380cd105672b970a3783c0036ebaf09d.exe schtasks.exe PID 2984 wrote to memory of 1840 2984 380cd105672b970a3783c0036ebaf09d.exe schtasks.exe PID 2984 wrote to memory of 1840 2984 380cd105672b970a3783c0036ebaf09d.exe schtasks.exe PID 2984 wrote to memory of 4088 2984 380cd105672b970a3783c0036ebaf09d.exe Windows Defender Security.exe PID 2984 wrote to memory of 4088 2984 380cd105672b970a3783c0036ebaf09d.exe Windows Defender Security.exe PID 2984 wrote to memory of 4088 2984 380cd105672b970a3783c0036ebaf09d.exe Windows Defender Security.exe PID 2984 wrote to memory of 3884 2984 380cd105672b970a3783c0036ebaf09d.exe powershell.exe PID 2984 wrote to memory of 3884 2984 380cd105672b970a3783c0036ebaf09d.exe powershell.exe PID 2984 wrote to memory of 3884 2984 380cd105672b970a3783c0036ebaf09d.exe powershell.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 4088 wrote to memory of 2304 4088 Windows Defender Security.exe Windows Defender Security.exe PID 2304 wrote to memory of 3860 2304 Windows Defender Security.exe schtasks.exe PID 2304 wrote to memory of 3860 2304 Windows Defender Security.exe schtasks.exe PID 2304 wrote to memory of 3860 2304 Windows Defender Security.exe schtasks.exe PID 2984 wrote to memory of 4840 2984 380cd105672b970a3783c0036ebaf09d.exe cmd.exe PID 2984 wrote to memory of 4840 2984 380cd105672b970a3783c0036ebaf09d.exe cmd.exe PID 2984 wrote to memory of 4840 2984 380cd105672b970a3783c0036ebaf09d.exe cmd.exe PID 4840 wrote to memory of 1184 4840 cmd.exe cmd.exe PID 4840 wrote to memory of 1184 4840 cmd.exe cmd.exe PID 4840 wrote to memory of 1184 4840 cmd.exe cmd.exe PID 2984 wrote to memory of 5052 2984 380cd105672b970a3783c0036ebaf09d.exe cmd.exe PID 2984 wrote to memory of 5052 2984 380cd105672b970a3783c0036ebaf09d.exe cmd.exe PID 2984 wrote to memory of 5052 2984 380cd105672b970a3783c0036ebaf09d.exe cmd.exe PID 5052 wrote to memory of 4908 5052 cmd.exe BackgroundTransferHost.exe PID 5052 wrote to memory of 4908 5052 cmd.exe BackgroundTransferHost.exe PID 5052 wrote to memory of 4908 5052 cmd.exe BackgroundTransferHost.exe PID 5052 wrote to memory of 1328 5052 cmd.exe PING.EXE PID 5052 wrote to memory of 1328 5052 cmd.exe PING.EXE PID 5052 wrote to memory of 1328 5052 cmd.exe PING.EXE PID 5052 wrote to memory of 652 5052 cmd.exe 380cd105672b970a3783c0036ebaf09d.exe PID 5052 wrote to memory of 652 5052 cmd.exe 380cd105672b970a3783c0036ebaf09d.exe PID 5052 wrote to memory of 652 5052 cmd.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 4748 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 4748 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 4748 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe PID 652 wrote to memory of 3008 652 380cd105672b970a3783c0036ebaf09d.exe 380cd105672b970a3783c0036ebaf09d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3064 -
C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"2⤵PID:1324
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C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"2⤵
- Modifies Windows Defender Real-time Protection settings
- Checks computer location settings
- Windows security modification
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2984 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Windows Update Service" /sc ONLOGON /tr "C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe" /rl HIGHEST /f3⤵
- Creates scheduled task(s)
PID:1840
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C:\Users\Admin\AppData\Roaming\Windows Security Firewall\Windows Defender Security.exe"C:\Users\Admin\AppData\Roaming\Windows Security Firewall\Windows Defender Security.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4088 -
C:\Users\Admin\AppData\Roaming\Windows Security Firewall\Windows Defender Security.exe"C:\Users\Admin\AppData\Roaming\Windows Security Firewall\Windows Defender Security.exe"4⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2304 -
C:\Windows\SysWOW64\schtasks.exe"schtasks" /create /tn "Windows Update Service" /sc ONLOGON /tr "C:\Users\Admin\AppData\Roaming\Windows Security Firewall\Windows Defender Security.exe" /rl HIGHEST /f5⤵
- Creates scheduled task(s)
PID:3860
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Get-MpPreference -verbose3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3884
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b del /q/f/s %TEMP%\* & exit3⤵
- Suspicious use of WriteProcessMemory
PID:4840 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /K del /q/f/s C:\Users\Admin\AppData\Local\Temp\*4⤵PID:1184
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\t13DzzvAF4Ff.bat" "3⤵
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Windows\SysWOW64\chcp.comchcp 650014⤵PID:4908
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C:\Windows\SysWOW64\PING.EXEping -n 10 localhost4⤵
- Runs ping.exe
PID:1328
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C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"4⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:652 -
C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3008
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C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"C:\Users\Admin\AppData\Local\Temp\380cd105672b970a3783c0036ebaf09d.exe"5⤵PID:4748
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C:\Windows\system32\BackgroundTransferHost.exe"BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.11⤵PID:4908
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
1Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\380cd105672b970a3783c0036ebaf09d.exe.log
Filesize507B
MD58cf94b5356be60247d331660005941ec
SHA1fdedb361f40f22cb6a086c808fc0056d4e421131
SHA25652a5b2d36f2b72cb02c695cf7ef46444dda73d4ea82a73e0894c805fa9987bc0
SHA512b886dfc8bf03f8627f051fb6e2ac40ae2e7713584695a365728eb2e2c87217830029aa35bd129c642fa03dde3f7a7dd5690b16248676be60a6bb5f497fb23651
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
229B
MD5cfccfc8d6b470650d20c31147edfda14
SHA13612de925cbd08abefbad80b17204ce320056819
SHA2565fabd80cd2ed45c8e369ab38f0a968d53125c04b7ea67e5e2f90d4a05d8f5595
SHA512de223cb1aad72617ab87c453c78f5fd34ecbdb034850923d7447370ef843d81db5cdd4c21fa82aa364f845034d650bea0827a4d000b5f382d37668bb1dc526f0
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Filesize
608KB
MD586fdf913f4a8f5d2942554967aadcd06
SHA19917132cb6f6af42563d076786cb8568f520e82c
SHA25663594b21d8bea9108be42512b6f2c290169a3b755a5d9517469b9aeda999cafd
SHA512c309d9a01f34c3478e3bc563d31da85ea60ea301e1fb3e5c10277e7dda21d7c80b463005afeed4e0d7bd5bf11d8a20905e700f44d72a95af9d4572982e1802ff
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Filesize
157KB
MD5ec9c3482e8078ff415519a41c5738c50
SHA101dab5954d5d52e60de39b63081e56be7a2a19ea
SHA2569206075c82c96c0f4c0a6b8b16c1fa1694fd7ba2f8d5fce73eda524be550408c
SHA5127bd56727e5737803209b62b2ed4a76f9506fc9c0e8ca795633eac8eff88f27b168a8d4b7dc9867a7942ec2a0b119cf61c7e2149eb5f5a761d402a4ceee9da6e9
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Filesize
84KB
MD548fc60d3282c922e350e8d08457d7a51
SHA1a9402f3f7d2d0ab665c15477d58c72a6882a59d2
SHA256dddd2e8eca9806d28e0f720f911b54e53e92431de111d0a5b16ad7332a2f0a37
SHA512bfad43be91b5b4f141381572fee957197f6b9eae08f300e417a0db41aee37d33fca2746a6b1be74b7d5c6b6175c56e56a069ba3e01c290a362363bf7681a6192