Analysis
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max time kernel
150s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20250410-en -
resource tags
arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system -
submitted
16/04/2025, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe
Resource
win10v2004-20250410-en
General
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Target
5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe
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Size
2.3MB
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MD5
d903afa6de2637d872d5f8fe78598a4a
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SHA1
bea55aa9f047f3bea7402fb375b3ffa378e7b014
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SHA256
5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18
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SHA512
6ecf1b60445abef91824cd984ceb73c5430b7eb91ae8f453053657fcf2c29bd07ccf1a070630ec450c6060e1346144e2f3baacfdd5e54888f37a0b33f61a5414
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SSDEEP
49152:yxTc2H2tFvduySQqvQTcbRvaH3LNI8oQ736x9jDR3lUPmdm7OTOMsf7deXHBo0Ms:wcy2LkQqvQTcbRvaH3LNI8oQgtF1wmdV
Malware Config
Signatures
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resource yara_rule behavioral1/memory/4300-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/4300-11-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/4300-12-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1640-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1640-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1640-22-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1640-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/5224-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/5224-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/5224-35-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 10 IoCs
resource yara_rule behavioral1/memory/4300-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/4300-11-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/4300-12-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1640-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1640-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1640-22-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1640-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/5224-31-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/5224-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/5224-35-0x0000000010000000-0x00000000101B6000-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 -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe -
Executes dropped EXE 4 IoCs
pid Process 4300 RVN.exe 424 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 1640 TXPlatforn.exe 5224 TXPlatforn.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\F: HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.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/4300-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/4300-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/4300-11-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/4300-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1640-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1640-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1640-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1640-22-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1640-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/5224-31-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/5224-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/5224-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 6 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 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.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 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 3568 PING.EXE 1368 cmd.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3568 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 424 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 424 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 5224 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeDebugPrivilege 424 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe Token: SeIncBasePriorityPrivilege 4300 RVN.exe Token: SeLoadDriverPrivilege 5224 TXPlatforn.exe Token: 33 5224 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 5224 TXPlatforn.exe Token: 33 5224 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 5224 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 424 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 424 HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 428 wrote to memory of 4300 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 85 PID 428 wrote to memory of 4300 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 85 PID 428 wrote to memory of 4300 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 85 PID 428 wrote to memory of 424 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 86 PID 428 wrote to memory of 424 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 86 PID 428 wrote to memory of 424 428 5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe 86 PID 4300 wrote to memory of 1368 4300 RVN.exe 91 PID 4300 wrote to memory of 1368 4300 RVN.exe 91 PID 4300 wrote to memory of 1368 4300 RVN.exe 91 PID 1640 wrote to memory of 5224 1640 TXPlatforn.exe 92 PID 1640 wrote to memory of 5224 1640 TXPlatforn.exe 92 PID 1640 wrote to memory of 5224 1640 TXPlatforn.exe 92 PID 1368 wrote to memory of 3568 1368 cmd.exe 94 PID 1368 wrote to memory of 3568 1368 cmd.exe 94 PID 1368 wrote to memory of 3568 1368 cmd.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe"C:\Users\Admin\AppData\Local\Temp\5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:428 -
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:4300 -
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:1368 -
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:3568
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C:\Users\Admin\AppData\Local\Temp\HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exeC:\Users\Admin\AppData\Local\Temp\HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe2⤵
- Checks BIOS information in registry
- Executes dropped EXE
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:424
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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:1640 -
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:5224
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Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_5a76298548ae9c83e529d3085c1b216f624931bbcbb10022017b79c107641f18.exe
Filesize1.6MB
MD5718e491431c6231c5d136d44e40221c8
SHA117d24a1497cc8af29dc54d0a015cbb405eebcd0f
SHA25670301694d70f5a5e1d9e9bdcff1b5abdee37a0e389ae72ffe2821c41938b01f9
SHA5125006a60a32c6b12824585d4188034acf339570eb3a3b8c0392f1a742214931c8dc947a82b5dc9a73f2e94825bad5f20a312f683f8259ffa3b23f9b8067dcd6c7
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Filesize
692KB
MD5585a121b7e7f38d2d42b9e1ba5fb8369
SHA113d392436388a52ce3d4d2c54fe2bf620d7a6910
SHA2561f3f731ad751c8e7002e7b77600f0ec96626a87315301240b4fd2f4a7bf938ea
SHA5126e7d6df3f67c2b07bf0f458296442aedebbde2f7225b48fbc21bb1a4a59fc0ca7ca95cd9e9b66eec9686c9a78f3a69bb019b2725e5eed360063aaba1a0d91b49
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4