Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250207-en -
resource tags
arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system -
submitted
09-02-2025 07:14
Static task
static1
Behavioral task
behavioral1
Sample
635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe
Resource
win7-20241010-en
General
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Target
635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe
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Size
1.3MB
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MD5
75c351b054babaf553ca7c546efae7f7
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SHA1
25b0619f3b133309aac7062354f4df81d4b95e3b
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SHA256
635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10
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SHA512
af29891879c75074a813cf980ea65d1be74c9f43dfd087a87f419e559b16e943f34a783c81e4ea2156f1e8e019f6bf2664a8751a6654bc1f7f7787938472ba3c
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SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNe:QHPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3128-1-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/4712-12-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/3128-1-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/4712-12-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Downloads MZ/PE file 1 IoCs
flow pid Process 44 4200 Process not Found -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys sainbox.exe -
Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" sainbox.exe -
Executes dropped EXE 2 IoCs
pid Process 4712 sainbox.exe 1892 sainbox.exe -
System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sainbox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sainbox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MicrosoftEdgeUpdate.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 3 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1152 cmd.exe 2420 PING.EXE 912 MicrosoftEdgeUpdate.exe -
Modifies data under HKEY_USERS 3 IoCs
description ioc Process Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" sainbox.exe Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" sainbox.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2420 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1892 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3128 635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe Token: SeLoadDriverPrivilege 1892 sainbox.exe Token: 33 1892 sainbox.exe Token: SeIncBasePriorityPrivilege 1892 sainbox.exe Token: 33 1892 sainbox.exe Token: SeIncBasePriorityPrivilege 1892 sainbox.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3128 wrote to memory of 1152 3128 635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe 86 PID 3128 wrote to memory of 1152 3128 635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe 86 PID 3128 wrote to memory of 1152 3128 635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe 86 PID 4712 wrote to memory of 1892 4712 sainbox.exe 87 PID 4712 wrote to memory of 1892 4712 sainbox.exe 87 PID 4712 wrote to memory of 1892 4712 sainbox.exe 87 PID 1152 wrote to memory of 2420 1152 cmd.exe 89 PID 1152 wrote to memory of 2420 1152 cmd.exe 89 PID 1152 wrote to memory of 2420 1152 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe"C:\Users\Admin\AppData\Local\Temp\635ee63fe0a10f9dc2ee0b8fb21e5af88f791c0cba857ebe907be4de538efd10.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ping -n 2 127.0.0.1 > nul && del C:\Users\Admin\AppData\Local\Temp\635EE6~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2420
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C:\ProgramData\Application Data\Microsoft.NET\sainbox.exe"C:\ProgramData\Application Data\Microsoft.NET\sainbox.exe" -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4712 -
C:\ProgramData\Application Data\Microsoft.NET\sainbox.exe"C:\ProgramData\Application Data\Microsoft.NET\sainbox.exe" -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Modifies data under HKEY_USERS
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1892
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C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MTExMDA5NDEwIi8-PC9hcHA-PC9yZXF1ZXN0Pg1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:912
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
3.3MB
MD5359b1099c5b49a19b757936e989470c7
SHA1dd1872853705ff85c5b6d40cb921f221c8ba4387
SHA256fe08b4c0ac528994aa904505396789f473ad3f578ff28f4ffeb750c697cf3946
SHA512c45501510e9a2c10cb3ab4ac249d3dfcedacfb693bf68f5e784c1d8056ebbba541c09cb0f0570d13d27080bcacf63b021971628498e3675d280167daaf0baef2