Analysis
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max time kernel
146s -
max time network
149s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 16:39
Static task
static1
Behavioral task
behavioral1
Sample
127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe
Resource
win7-20240220-en
General
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Target
127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe
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Size
1.3MB
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MD5
d477752188fc25daf98355c34defd830
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SHA1
e3b95fb1fb84daddf36fda1efa5869380ec7fa1f
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SHA256
127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13
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SHA512
6b7ed6607d821d290b25461226f8394cef193470cdcb115805f6d5e571f763e754bf48388087fa0638043529b4a20e2dfdde46d77df92c170c2567dc1ef2cc9c
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SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNr:QHPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2208-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 1 IoCs
resource yara_rule behavioral1/memory/2208-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
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 -
Deletes itself 1 IoCs
pid Process 2220 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2252 sainbox.exe 2532 sainbox.exe -
Loads dropped DLL 1 IoCs
pid Process 2252 sainbox.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sainbox.exe 127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe 127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe -
Modifies data under HKEY_USERS 4 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings sainbox.exe 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 2624 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2532 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2208 127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe Token: SeLoadDriverPrivilege 2532 sainbox.exe Token: 33 2532 sainbox.exe Token: SeIncBasePriorityPrivilege 2532 sainbox.exe Token: 33 2532 sainbox.exe Token: SeIncBasePriorityPrivilege 2532 sainbox.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2208 wrote to memory of 2220 2208 127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe 29 PID 2208 wrote to memory of 2220 2208 127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe 29 PID 2208 wrote to memory of 2220 2208 127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe 29 PID 2208 wrote to memory of 2220 2208 127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe 29 PID 2252 wrote to memory of 2532 2252 sainbox.exe 30 PID 2252 wrote to memory of 2532 2252 sainbox.exe 30 PID 2252 wrote to memory of 2532 2252 sainbox.exe 30 PID 2252 wrote to memory of 2532 2252 sainbox.exe 30 PID 2220 wrote to memory of 2624 2220 cmd.exe 32 PID 2220 wrote to memory of 2624 2220 cmd.exe 32 PID 2220 wrote to memory of 2624 2220 cmd.exe 32 PID 2220 wrote to memory of 2624 2220 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe"C:\Users\Admin\AppData\Local\Temp\127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2208 -
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\127AF2~1.EXE > nul2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2220 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
PID:2624
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2252 -
C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Modifies data under HKEY_USERS
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2532
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.3MB
MD5d477752188fc25daf98355c34defd830
SHA1e3b95fb1fb84daddf36fda1efa5869380ec7fa1f
SHA256127af22f8bd5e06e59c4cc025c5577cb649aed8747cda672c864fee01aad3d13
SHA5126b7ed6607d821d290b25461226f8394cef193470cdcb115805f6d5e571f763e754bf48388087fa0638043529b4a20e2dfdde46d77df92c170c2567dc1ef2cc9c