Analysis
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max time kernel
149s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
23/08/2023, 00:37
Behavioral task
behavioral1
Sample
dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe
Resource
win7-20230712-en
General
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Target
dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe
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Size
539KB
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MD5
aa18d9b3660a8a907c2c2de4d4063db2
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SHA1
d208fd390f9f467b757c0e464022bf6a7ed866ea
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SHA256
dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a
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SHA512
723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905
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SSDEEP
12288:PhymnwJFPNdgBAEHApqePJN1AmLM7uVq9sSkup:PUmwrl2Ao7sJNlM7ymsSk
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2616-55-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2580-74-0x00000000011F0000-0x0000000001337000-memory.dmp purplefox_rootkit behavioral1/memory/2800-76-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit behavioral1/memory/2616-71-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit behavioral1/memory/2580-83-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit behavioral1/memory/2800-93-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
resource yara_rule behavioral1/memory/2616-55-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2580-74-0x00000000011F0000-0x0000000001337000-memory.dmp family_gh0strat behavioral1/memory/2800-76-0x0000000000400000-0x0000000000547000-memory.dmp family_gh0strat behavioral1/memory/2616-71-0x0000000000400000-0x0000000000547000-memory.dmp family_gh0strat behavioral1/memory/2580-83-0x0000000000400000-0x0000000000547000-memory.dmp family_gh0strat behavioral1/memory/2800-93-0x0000000000400000-0x0000000000547000-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 2224 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2580 sainbox.exe 2800 sainbox.exe -
Loads dropped DLL 1 IoCs
pid Process 2580 sainbox.exe -
resource yara_rule behavioral1/memory/2616-54-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral1/files/0x000a000000012024-63.dat upx behavioral1/memory/2580-64-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral1/files/0x000a000000012024-73.dat upx behavioral1/files/0x000a000000012024-75.dat upx behavioral1/memory/2800-76-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral1/files/0x000a000000012024-72.dat upx behavioral1/memory/2616-71-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral1/memory/2580-83-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral1/memory/2800-93-0x0000000000400000-0x0000000000547000-memory.dmp upx -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sainbox.exe dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2420 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2800 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2616 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe Token: SeLoadDriverPrivilege 2800 sainbox.exe Token: 33 2800 sainbox.exe Token: SeIncBasePriorityPrivilege 2800 sainbox.exe Token: 33 2800 sainbox.exe Token: SeIncBasePriorityPrivilege 2800 sainbox.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2616 wrote to memory of 2224 2616 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe 29 PID 2616 wrote to memory of 2224 2616 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe 29 PID 2616 wrote to memory of 2224 2616 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe 29 PID 2616 wrote to memory of 2224 2616 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe 29 PID 2580 wrote to memory of 2800 2580 sainbox.exe 30 PID 2580 wrote to memory of 2800 2580 sainbox.exe 30 PID 2580 wrote to memory of 2800 2580 sainbox.exe 30 PID 2580 wrote to memory of 2800 2580 sainbox.exe 30 PID 2224 wrote to memory of 2420 2224 cmd.exe 32 PID 2224 wrote to memory of 2420 2224 cmd.exe 32 PID 2224 wrote to memory of 2420 2224 cmd.exe 32 PID 2224 wrote to memory of 2420 2224 cmd.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe"C:\Users\Admin\AppData\Local\Temp\dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe"1⤵
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2616 -
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\DC22B1~1.EXE > nul2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2224 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
PID:2420
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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:2580 -
C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2800
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
539KB
MD5aa18d9b3660a8a907c2c2de4d4063db2
SHA1d208fd390f9f467b757c0e464022bf6a7ed866ea
SHA256dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a
SHA512723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905
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Filesize
539KB
MD5aa18d9b3660a8a907c2c2de4d4063db2
SHA1d208fd390f9f467b757c0e464022bf6a7ed866ea
SHA256dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a
SHA512723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905
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Filesize
539KB
MD5aa18d9b3660a8a907c2c2de4d4063db2
SHA1d208fd390f9f467b757c0e464022bf6a7ed866ea
SHA256dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a
SHA512723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905
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Filesize
539KB
MD5aa18d9b3660a8a907c2c2de4d4063db2
SHA1d208fd390f9f467b757c0e464022bf6a7ed866ea
SHA256dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a
SHA512723dba95ccfb6dcd0bd47b7b05e4fab0ee9662780722196be56bb1b219038a806b4a9e0564ba03502b94012e9c3ddcac41dde66f68f52f60bf5862e9e4271905