Analysis
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max time kernel
24s -
max time network
19s -
platform
windows11-21h2_x64 -
resource
win11-20241007-en -
resource tags
arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system -
submitted
05-01-2025 04:46
Behavioral task
behavioral1
Sample
SpoofX.exe
Resource
win11-20241007-en
General
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Target
SpoofX.exe
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Size
3.1MB
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MD5
f6cbf782a601526dc279891b0600d2c8
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SHA1
0e561270b8d8fb960cf9bf9f8ddab94517de03ec
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SHA256
bd0551475a48100dfd099d8ea6412240c9310438357a671af47e5580d108875e
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SHA512
4cc7ace57e510dcbb3019d0f48f9c76f4b2b9a251ce5752e0af5d704bc7ceccbccef770ccc0f3c5188c97045939f6a93d42a3ec5efe17561f3eb1586a22dbdc8
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SSDEEP
49152:evBt62XlaSFNWPjljiFa2RoUYIg9zE24Uk/07hoGd8THHB72eh2NT:evr62XlaSFNWPjljiFXRoUYIg9rl
Malware Config
Extracted
quasar
1.4.1
Svchost.exe
192.168.1.190:4782
75ec4d04-9201-465b-9d52-07fbf8901610
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encryption_key
BC9F0EB6E1FA6B8559DDF8DE0AEF08110EBCF8E5
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install_name
Svchostt.exe
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log_directory
Logs
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reconnect_delay
3000
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startup_key
Svchostt.exe
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subdirectory
SubDir
Signatures
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Quasar family
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Quasar payload 2 IoCs
resource yara_rule behavioral1/memory/1132-1-0x0000000000660000-0x0000000000984000-memory.dmp family_quasar behavioral1/files/0x001d00000002aabf-6.dat family_quasar -
Executes dropped EXE 1 IoCs
pid Process 3596 Svchostt.exe -
Drops file in System32 directory 5 IoCs
description ioc Process File created C:\Windows\system32\SubDir\Svchostt.exe SpoofX.exe File opened for modification C:\Windows\system32\SubDir\Svchostt.exe SpoofX.exe File opened for modification C:\Windows\system32\SubDir SpoofX.exe File opened for modification C:\Windows\system32\SubDir\Svchostt.exe Svchostt.exe File opened for modification C:\Windows\system32\SubDir Svchostt.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000 taskmgr.exe -
Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3980 schtasks.exe 552 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
pid Process 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 1132 SpoofX.exe Token: SeDebugPrivilege 3596 Svchostt.exe Token: SeDebugPrivilege 2024 taskmgr.exe Token: SeSystemProfilePrivilege 2024 taskmgr.exe Token: SeCreateGlobalPrivilege 2024 taskmgr.exe -
Suspicious use of FindShellTrayWindow 25 IoCs
pid Process 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe -
Suspicious use of SendNotifyMessage 25 IoCs
pid Process 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe 2024 taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3596 Svchostt.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1132 wrote to memory of 3980 1132 SpoofX.exe 77 PID 1132 wrote to memory of 3980 1132 SpoofX.exe 77 PID 1132 wrote to memory of 3596 1132 SpoofX.exe 79 PID 1132 wrote to memory of 3596 1132 SpoofX.exe 79 PID 3596 wrote to memory of 552 3596 Svchostt.exe 80 PID 3596 wrote to memory of 552 3596 Svchostt.exe 80 -
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
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C:\Users\Admin\AppData\Local\Temp\SpoofX.exe"C:\Users\Admin\AppData\Local\Temp\SpoofX.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1132 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Svchostt.exe" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Svchostt.exe" /rl HIGHEST /f2⤵
- Scheduled Task/Job: Scheduled Task
PID:3980
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C:\Windows\system32\SubDir\Svchostt.exe"C:\Windows\system32\SubDir\Svchostt.exe"2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3596 -
C:\Windows\SYSTEM32\schtasks.exe"schtasks" /create /tn "Svchostt.exe" /sc ONLOGON /tr "C:\Windows\system32\SubDir\Svchostt.exe" /rl HIGHEST /f3⤵
- Scheduled Task/Job: Scheduled Task
PID:552
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /01⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2024
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.1MB
MD5f6cbf782a601526dc279891b0600d2c8
SHA10e561270b8d8fb960cf9bf9f8ddab94517de03ec
SHA256bd0551475a48100dfd099d8ea6412240c9310438357a671af47e5580d108875e
SHA5124cc7ace57e510dcbb3019d0f48f9c76f4b2b9a251ce5752e0af5d704bc7ceccbccef770ccc0f3c5188c97045939f6a93d42a3ec5efe17561f3eb1586a22dbdc8