Analysis
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max time kernel
149s -
max time network
154s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-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 behavioral2/memory/1316-134-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/2044-144-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/1316-150-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit behavioral2/memory/1704-152-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit behavioral2/memory/2044-153-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit behavioral2/memory/1704-169-0x0000000000400000-0x0000000000547000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
resource yara_rule behavioral2/memory/1316-134-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/2044-144-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/1316-150-0x0000000000400000-0x0000000000547000-memory.dmp family_gh0strat behavioral2/memory/1704-152-0x0000000000400000-0x0000000000547000-memory.dmp family_gh0strat behavioral2/memory/2044-153-0x0000000000400000-0x0000000000547000-memory.dmp family_gh0strat behavioral2/memory/1704-169-0x0000000000400000-0x0000000000547000-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 -
Executes dropped EXE 2 IoCs
pid Process 2044 sainbox.exe 1704 sainbox.exe -
resource yara_rule behavioral2/memory/1316-133-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral2/files/0x0008000000023225-142.dat upx behavioral2/files/0x0008000000023225-143.dat upx behavioral2/memory/1316-150-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral2/memory/1704-152-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral2/files/0x0008000000023225-151.dat upx behavioral2/memory/2044-153-0x0000000000400000-0x0000000000547000-memory.dmp upx behavioral2/memory/1704-169-0x0000000000400000-0x0000000000547000-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 3968 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1704 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1316 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe Token: SeLoadDriverPrivilege 1704 sainbox.exe Token: 33 1704 sainbox.exe Token: SeIncBasePriorityPrivilege 1704 sainbox.exe Token: 33 1704 sainbox.exe Token: SeIncBasePriorityPrivilege 1704 sainbox.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1316 wrote to memory of 1736 1316 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe 81 PID 1316 wrote to memory of 1736 1316 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe 81 PID 1316 wrote to memory of 1736 1316 dc22b182cdd1fd9e6d3e2f84dd764ee807975a161d69f46afef2b2649cf5772a.exe 81 PID 2044 wrote to memory of 1704 2044 sainbox.exe 82 PID 2044 wrote to memory of 1704 2044 sainbox.exe 82 PID 2044 wrote to memory of 1704 2044 sainbox.exe 82 PID 1736 wrote to memory of 3968 1736 cmd.exe 84 PID 1736 wrote to memory of 3968 1736 cmd.exe 84 PID 1736 wrote to memory of 3968 1736 cmd.exe 84
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:1316 -
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⤵
- Suspicious use of WriteProcessMemory
PID:1736 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- Runs ping.exe
PID:3968
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2044 -
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:1704
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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