Analysis
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max time kernel
148s -
max time network
145s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
20-06-2024 15:03
Static task
static1
Behavioral task
behavioral1
Sample
sample.exe
Resource
win7-20240508-en
General
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Target
sample.exe
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Size
3.3MB
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MD5
93aef31e912fa9fa0c6423f5eee39b92
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SHA1
01743de8f41cedaec95c71d9559624fd537d4dac
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SHA256
3730e600a60fed05d20e23e9340e37e5f5f072e6d4801150326ff4e2a4fdb4c5
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SHA512
502c990c9fc0d81526aec775834c852106df585428f9830e983219ea805a8f54013de38c2d741b0765e749165569322662dc66f01555f80c1c35616bb4dfda63
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SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNII:QHPkVOBTKv
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/788-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2620-19-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
Processes:
resource yara_rule behavioral1/memory/788-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2620-19-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
Processes:
sainbox.exedescription ioc process File created C:\Windows\system32\drivers\QAssist.sys sainbox.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
sainbox.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" sainbox.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 3020 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
sainbox.exesainbox.exepid process 2064 sainbox.exe 2620 sainbox.exe -
Loads dropped DLL 1 IoCs
Processes:
sainbox.exepid process 2064 sainbox.exe -
Drops file in System32 directory 2 IoCs
Processes:
sample.exedescription ioc process File created C:\Windows\SysWOW64\sainbox.exe sample.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe sample.exe -
Modifies data under HKEY_USERS 4 IoCs
Processes:
sainbox.exedescription 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
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Suspicious behavior: LoadsDriver 1 IoCs
Processes:
sainbox.exepid process 2620 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
sample.exesainbox.exedescription pid process Token: SeIncBasePriorityPrivilege 788 sample.exe Token: SeLoadDriverPrivilege 2620 sainbox.exe Token: 33 2620 sainbox.exe Token: SeIncBasePriorityPrivilege 2620 sainbox.exe Token: 33 2620 sainbox.exe Token: SeIncBasePriorityPrivilege 2620 sainbox.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
sample.exesainbox.execmd.exedescription pid process target process PID 788 wrote to memory of 3020 788 sample.exe cmd.exe PID 788 wrote to memory of 3020 788 sample.exe cmd.exe PID 788 wrote to memory of 3020 788 sample.exe cmd.exe PID 788 wrote to memory of 3020 788 sample.exe cmd.exe PID 2064 wrote to memory of 2620 2064 sainbox.exe sainbox.exe PID 2064 wrote to memory of 2620 2064 sainbox.exe sainbox.exe PID 2064 wrote to memory of 2620 2064 sainbox.exe sainbox.exe PID 2064 wrote to memory of 2620 2064 sainbox.exe sainbox.exe PID 3020 wrote to memory of 2852 3020 cmd.exe PING.EXE PID 3020 wrote to memory of 2852 3020 cmd.exe PING.EXE PID 3020 wrote to memory of 2852 3020 cmd.exe PING.EXE PID 3020 wrote to memory of 2852 3020 cmd.exe PING.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\sample.exe"C:\Users\Admin\AppData\Local\Temp\sample.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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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\sample.exe > nul2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Windows\SysWOW64\sainbox.exeFilesize
3.3MB
MD593aef31e912fa9fa0c6423f5eee39b92
SHA101743de8f41cedaec95c71d9559624fd537d4dac
SHA2563730e600a60fed05d20e23e9340e37e5f5f072e6d4801150326ff4e2a4fdb4c5
SHA512502c990c9fc0d81526aec775834c852106df585428f9830e983219ea805a8f54013de38c2d741b0765e749165569322662dc66f01555f80c1c35616bb4dfda63
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memory/788-0-0x0000000010000000-0x000000001019F000-memory.dmpFilesize
1.6MB
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memory/2620-19-0x0000000010000000-0x000000001019F000-memory.dmpFilesize
1.6MB