Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
14-01-2025 07:57
Static task
static1
Behavioral task
behavioral1
Sample
a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe
Resource
win7-20240903-en
General
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Target
a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe
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Size
1.2MB
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MD5
36d00e1c116ad878209f522ad0e1196f
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SHA1
1c790a685400243ed8844f5cbde4282d0f523e31
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SHA256
a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e
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SHA512
5c9dea37afe0c87fd35d90fec9443e62e6ef645685a808ffde0e053f0f0d0766c75a40a32f827881b84bca5bcb277a2c99a8bcbc64b8600e98f158b82356f19b
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SSDEEP
24576:P09tv9/7JtDElDEExIko2H2HESq2eWJ6MQjySjy+pt:P09XJt4HIN2H2tFvduySXt
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2792-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2792-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2092-60-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2820-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2792-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2092-65-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2092-66-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2092-61-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral1/memory/2792-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2792-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2092-60-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2820-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2792-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2092-65-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2092-66-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2092-61-0x0000000010000000-0x00000000101B6000-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 2792 RVN.exe 2820 TXPlatforn.exe 2092 TXPlatforn.exe -
Loads dropped DLL 2 IoCs
pid Process 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 2820 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/2792-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2792-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2792-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2092-60-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2820-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2792-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2092-65-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2092-66-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2092-61-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe File opened for modification C:\Program Files\Mozilla Firefox\firefox.exe a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe File created C:\Program Files (x86)\Google\Chrome\Application\chrome.exe a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2572 cmd.exe 1356 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1356 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2092 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2792 RVN.exe Token: SeLoadDriverPrivilege 2092 TXPlatforn.exe Token: 33 2092 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2092 TXPlatforn.exe Token: 33 2092 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 2092 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2756 wrote to memory of 2792 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 31 PID 2756 wrote to memory of 2792 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 31 PID 2756 wrote to memory of 2792 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 31 PID 2756 wrote to memory of 2792 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 31 PID 2756 wrote to memory of 2792 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 31 PID 2756 wrote to memory of 2792 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 31 PID 2756 wrote to memory of 2792 2756 a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe 31 PID 2792 wrote to memory of 2572 2792 RVN.exe 33 PID 2792 wrote to memory of 2572 2792 RVN.exe 33 PID 2792 wrote to memory of 2572 2792 RVN.exe 33 PID 2792 wrote to memory of 2572 2792 RVN.exe 33 PID 2820 wrote to memory of 2092 2820 TXPlatforn.exe 34 PID 2820 wrote to memory of 2092 2820 TXPlatforn.exe 34 PID 2820 wrote to memory of 2092 2820 TXPlatforn.exe 34 PID 2820 wrote to memory of 2092 2820 TXPlatforn.exe 34 PID 2820 wrote to memory of 2092 2820 TXPlatforn.exe 34 PID 2820 wrote to memory of 2092 2820 TXPlatforn.exe 34 PID 2820 wrote to memory of 2092 2820 TXPlatforn.exe 34 PID 2572 wrote to memory of 1356 2572 cmd.exe 36 PID 2572 wrote to memory of 1356 2572 cmd.exe 36 PID 2572 wrote to memory of 1356 2572 cmd.exe 36 PID 2572 wrote to memory of 1356 2572 cmd.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe"C:\Users\Admin\AppData\Local\Temp\a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e.exe"1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2756 -
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:2792 -
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:2572 -
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:1356
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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:2820 -
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:2092
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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
1.2MB
MD536d00e1c116ad878209f522ad0e1196f
SHA11c790a685400243ed8844f5cbde4282d0f523e31
SHA256a383b46965ad6b4ea57a4466df3634385932e6f09cf5f882bf7f237bbce5298e
SHA5125c9dea37afe0c87fd35d90fec9443e62e6ef645685a808ffde0e053f0f0d0766c75a40a32f827881b84bca5bcb277a2c99a8bcbc64b8600e98f158b82356f19b
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4