Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
29-01-2025 09:46
Static task
static1
Behavioral task
behavioral1
Sample
b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe
Resource
win7-20240903-en
General
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Target
b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe
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Size
572KB
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MD5
456b0f63f1a86540c2fed5fe5bcd6b42
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SHA1
45b7b91abce340b0d99b9951d76bb8b58eaa4bd7
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SHA256
b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c
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SHA512
f4efde1eaae9ec7792ce7c8cc38e66aa484983eb54332f4994e6c07c8fd926095117b72b391973d8757ee2f8015519f66ba1fa4cfc4acbc1b0fddf73b626654c
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SSDEEP
12288:7i2cAro2HQVWAHkFSq2hAWJYlMUtrxlyuJVRe8ykH:7i2Tro2H2HESq2eWJ6MQjySjykH
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4808-7-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4808-9-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4808-8-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4064-16-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4064-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4064-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3820-26-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3820-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3820-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3820-31-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/memory/4808-7-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4808-9-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4808-8-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4064-16-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4064-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4064-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-26-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3820-31-0x0000000010000000-0x00000000101B6000-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 4808 RVN.exe 4064 TXPlatforn.exe 3820 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/4808-5-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4808-7-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4808-9-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4808-8-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4064-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4064-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4064-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4064-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4064-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3820-31-0x0000000010000000-0x00000000101B6000-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 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 b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RVN.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2884 cmd.exe 4740 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4740 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3820 TXPlatforn.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4808 RVN.exe Token: SeLoadDriverPrivilege 3820 TXPlatforn.exe Token: 33 3820 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3820 TXPlatforn.exe Token: 33 3820 TXPlatforn.exe Token: SeIncBasePriorityPrivilege 3820 TXPlatforn.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 3160 b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3160 wrote to memory of 4808 3160 b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe 83 PID 3160 wrote to memory of 4808 3160 b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe 83 PID 3160 wrote to memory of 4808 3160 b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe 83 PID 4064 wrote to memory of 3820 4064 TXPlatforn.exe 85 PID 4064 wrote to memory of 3820 4064 TXPlatforn.exe 85 PID 4064 wrote to memory of 3820 4064 TXPlatforn.exe 85 PID 4808 wrote to memory of 2884 4808 RVN.exe 86 PID 4808 wrote to memory of 2884 4808 RVN.exe 86 PID 4808 wrote to memory of 2884 4808 RVN.exe 86 PID 2884 wrote to memory of 4740 2884 cmd.exe 88 PID 2884 wrote to memory of 4740 2884 cmd.exe 88 PID 2884 wrote to memory of 4740 2884 cmd.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe"C:\Users\Admin\AppData\Local\Temp\b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3160 -
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:4808 -
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:2884 -
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:4740
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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:4064 -
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:3820
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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
572KB
MD5456b0f63f1a86540c2fed5fe5bcd6b42
SHA145b7b91abce340b0d99b9951d76bb8b58eaa4bd7
SHA256b5be4a5b25efae7343e65f462e4a6c84e5d7cc4d65759f51c603365a1c3f8c1c
SHA512f4efde1eaae9ec7792ce7c8cc38e66aa484983eb54332f4994e6c07c8fd926095117b72b391973d8757ee2f8015519f66ba1fa4cfc4acbc1b0fddf73b626654c
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Filesize
377KB
MD580ade1893dec9cab7f2e63538a464fcc
SHA1c06614da33a65eddb506db00a124a3fc3f5be02e
SHA25657a920389c044e3f5cf93dabff67070b4511e79779b6f874e08f92d8b0d7afbd
SHA512fffd4f3fccb5301b3c7a5b3bd92747f31549fbd9d0803fe5d502d1bb0ef979140988718c2ee1406ed3e755790d275185e120a56cbcb5ed2eadf62b5cdbfc4cc4