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Analysis
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max time kernel
150s -
max time network
117s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/01/2025, 12:35
Static task
static1
Behavioral task
behavioral1
Sample
447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe
Resource
win7-20240903-en
General
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Target
447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe
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Size
576KB
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MD5
a687daea0bf11b27af3186c99c388257
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SHA1
db4648ebb8ca2d380acb5e63eaba1f10c51a9313
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SHA256
447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9
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SHA512
725782be6659673870f08355066848041f2e2c642c99102f4e2c66302e9eb9508a314e947064ccca69ce51851bb83594b9fda67f5fef05d36cf89edf2559ccb9
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SSDEEP
12288:7i2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yKJ8:7i2Tro2H2HESq2eWJ6MQjySjyC8
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2136-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2136-13-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2136-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2904-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2608-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2904-27-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2608-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2608-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2608-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral1/memory/2136-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2136-13-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2136-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2904-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2608-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2904-27-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2608-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2608-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2608-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatforn.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" TXPlatforn.exe -
Executes dropped EXE 3 IoCs
pid Process 2136 RVN.exe 2904 TXPlatforn.exe 2608 TXPlatforn.exe -
Loads dropped DLL 2 IoCs
pid Process 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 2904 TXPlatforn.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe File opened for modification C:\Windows\SysWOW64\TXPlatforn.exe RVN.exe -
resource yara_rule behavioral1/memory/2136-6-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2136-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2136-13-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2136-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2904-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2608-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2904-27-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2608-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2608-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2608-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 5 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 RVN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatforn.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 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2728 cmd.exe 2944 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2944 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2608 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2136 RVN.exe Token: SeLoadDriverPrivilege 2608 TXPlatforn.exe Token: 33 2608 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2608 TXPlatforn.exe Token: 33 2608 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2608 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2292 wrote to memory of 2136 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 30 PID 2292 wrote to memory of 2136 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 30 PID 2292 wrote to memory of 2136 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 30 PID 2292 wrote to memory of 2136 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 30 PID 2292 wrote to memory of 2136 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 30 PID 2292 wrote to memory of 2136 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 30 PID 2292 wrote to memory of 2136 2292 447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe 30 PID 2136 wrote to memory of 2728 2136 RVN.exe 32 PID 2136 wrote to memory of 2728 2136 RVN.exe 32 PID 2136 wrote to memory of 2728 2136 RVN.exe 32 PID 2136 wrote to memory of 2728 2136 RVN.exe 32 PID 2904 wrote to memory of 2608 2904 TXPlatforn.exe 33 PID 2904 wrote to memory of 2608 2904 TXPlatforn.exe 33 PID 2904 wrote to memory of 2608 2904 TXPlatforn.exe 33 PID 2904 wrote to memory of 2608 2904 TXPlatforn.exe 33 PID 2904 wrote to memory of 2608 2904 TXPlatforn.exe 33 PID 2904 wrote to memory of 2608 2904 TXPlatforn.exe 33 PID 2904 wrote to memory of 2608 2904 TXPlatforn.exe 33 PID 2728 wrote to memory of 2944 2728 cmd.exe 35 PID 2728 wrote to memory of 2944 2728 cmd.exe 35 PID 2728 wrote to memory of 2944 2728 cmd.exe 35 PID 2728 wrote to memory of 2944 2728 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe"C:\Users\Admin\AppData\Local\Temp\447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2292 -
C:\Users\Admin\AppData\Local\Temp\RVN.exeC:\Users\Admin\AppData\Local\Temp\\RVN.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2136 -
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\RVN.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2728 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:2944
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2904 -
C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2608
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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
576KB
MD5a687daea0bf11b27af3186c99c388257
SHA1db4648ebb8ca2d380acb5e63eaba1f10c51a9313
SHA256447c0fcb5c9f9c8256490734b670bb2bf1ca3abf993544365804b90ab67299a9
SHA512725782be6659673870f08355066848041f2e2c642c99102f4e2c66302e9eb9508a314e947064ccca69ce51851bb83594b9fda67f5fef05d36cf89edf2559ccb9
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4