Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-11-2024 20:33
Static task
static1
Behavioral task
behavioral1
Sample
41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe
Resource
win7-20240903-en
General
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Target
41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe
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Size
736KB
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MD5
2f8f7ae053c6bc790ec5c13b86eb1e3a
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SHA1
6572ade871e91e54d44352f95ea40244e954e866
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SHA256
41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53
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SHA512
e48ed77f14bb01b7b4ba397f35c21ea5861a501177e5c1aed1ca949125f36decf13b44756ae8c55e5283a4bb3ca40257dbb1e2e788a5d02e594942edae0bcd71
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SSDEEP
12288:Gi2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8yCt6YwSEP1p:Gi2Tro2H2HESq2eWJ6MQjySjyCtVwZp
Malware Config
Signatures
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resource yara_rule behavioral2/memory/3572-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3572-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3572-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4764-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4764-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2908-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4764-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4764-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2908-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2908-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2908-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/3572-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3572-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3572-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4764-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4764-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2908-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4764-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4764-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2908-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2908-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2908-30-0x0000000010000000-0x00000000101B6000-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 3572 RVN.exe 4764 TXPlatforn.exe 2908 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 behavioral2/memory/3572-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3572-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3572-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3572-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4764-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4764-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2908-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4764-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4764-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4764-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2908-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2908-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2908-30-0x0000000010000000-0x00000000101B6000-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 41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4484 cmd.exe 264 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 264 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2908 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 3572 RVN.exe Token: SeLoadDriverPrivilege 2908 TXPlatforn.exe Token: 33 2908 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2908 TXPlatforn.exe Token: 33 2908 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2908 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 4660 41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4660 wrote to memory of 3572 4660 41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe 83 PID 4660 wrote to memory of 3572 4660 41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe 83 PID 4660 wrote to memory of 3572 4660 41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe 83 PID 3572 wrote to memory of 4484 3572 RVN.exe 87 PID 3572 wrote to memory of 4484 3572 RVN.exe 87 PID 3572 wrote to memory of 4484 3572 RVN.exe 87 PID 4764 wrote to memory of 2908 4764 TXPlatforn.exe 88 PID 4764 wrote to memory of 2908 4764 TXPlatforn.exe 88 PID 4764 wrote to memory of 2908 4764 TXPlatforn.exe 88 PID 4484 wrote to memory of 264 4484 cmd.exe 90 PID 4484 wrote to memory of 264 4484 cmd.exe 90 PID 4484 wrote to memory of 264 4484 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe"C:\Users\Admin\AppData\Local\Temp\41a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4660 -
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:3572 -
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:4484 -
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:264
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C:\Windows\SysWOW64\TXPlatforn.exeC:\Windows\SysWOW64\TXPlatforn.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4764 -
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:2908
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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
736KB
MD52f8f7ae053c6bc790ec5c13b86eb1e3a
SHA16572ade871e91e54d44352f95ea40244e954e866
SHA25641a9b05b5ad76c82220e55b8b07adbbe7876aaa5b4ce0a74f644d34d4f853f53
SHA512e48ed77f14bb01b7b4ba397f35c21ea5861a501177e5c1aed1ca949125f36decf13b44756ae8c55e5283a4bb3ca40257dbb1e2e788a5d02e594942edae0bcd71
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4