Analysis
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max time kernel
150s -
max time network
132s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
15-10-2024 05:29
Static task
static1
Behavioral task
behavioral1
Sample
99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe
Resource
win7-20240903-en
General
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Target
99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe
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Size
4.4MB
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MD5
7a2211184350da17e5698e2043a6779c
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SHA1
4a86b9188e365ff2e5392fd8f83bd235f25a427b
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SHA256
99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5
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SHA512
3e8e4aaa2fd63af92602b6196beb5cf1c41b9668089197e45b3f2b1bf467065623460dbb2498af090b902d373a008b21b2bc3071e0b44b3e5d30280aeee68cd3
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SSDEEP
98304:Pws2ANnKXOaeOgmhmCrKOZ0yvcF6EyTcieCVNn4rD18Xj/caB:5KXbeO7NrKOZTEtiZT818Xjj
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1492-14-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1492-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1492-15-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3624-25-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3624-24-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3624-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3624-27-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1896-32-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1896-34-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1896-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/files/0x000b000000023b80-5.dat family_gh0strat behavioral2/memory/1492-14-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1492-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1492-15-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3624-25-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3624-24-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3624-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3624-27-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1896-32-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1896-34-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1896-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.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" TXPlatfor.exe -
Executes dropped EXE 4 IoCs
pid Process 2024 R.exe 1492 N.exe 3624 TXPlatfor.exe 1896 TXPlatfor.exe -
Loads dropped DLL 1 IoCs
pid Process 2024 R.exe -
Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\SysWOW64\240605484.txt R.exe File created C:\Windows\SysWOW64\TXPlatfor.exe N.exe File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe N.exe -
resource yara_rule behavioral2/memory/1492-14-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1492-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1492-12-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1492-15-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3624-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3624-25-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3624-24-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3624-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3624-27-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1896-32-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1896-34-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1896-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Program crash 2 IoCs
pid pid_target Process procid_target 1916 2024 WerFault.exe 84 5048 2024 WerFault.exe 84 -
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 R.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatfor.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 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2476 cmd.exe 2080 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2080 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1896 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1492 N.exe Token: SeLoadDriverPrivilege 1896 TXPlatfor.exe Token: 33 1896 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1896 TXPlatfor.exe Token: 33 1896 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1896 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3592 wrote to memory of 2024 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe 84 PID 3592 wrote to memory of 2024 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe 84 PID 3592 wrote to memory of 2024 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe 84 PID 3592 wrote to memory of 1492 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe 93 PID 3592 wrote to memory of 1492 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe 93 PID 3592 wrote to memory of 1492 3592 99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe 93 PID 1492 wrote to memory of 2476 1492 N.exe 95 PID 1492 wrote to memory of 2476 1492 N.exe 95 PID 1492 wrote to memory of 2476 1492 N.exe 95 PID 3624 wrote to memory of 1896 3624 TXPlatfor.exe 97 PID 3624 wrote to memory of 1896 3624 TXPlatfor.exe 97 PID 3624 wrote to memory of 1896 3624 TXPlatfor.exe 97 PID 2476 wrote to memory of 2080 2476 cmd.exe 98 PID 2476 wrote to memory of 2080 2476 cmd.exe 98 PID 2476 wrote to memory of 2080 2476 cmd.exe 98
Processes
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C:\Users\Admin\AppData\Local\Temp\99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe"C:\Users\Admin\AppData\Local\Temp\99a4ca34a9c4b1608cc7723b511b4f329e94dbcd14cc778fcb76b1db210a64f5.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3592 -
C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:2024 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 4563⤵
- Program crash
PID:1916
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2024 -s 4683⤵
- Program crash
PID:5048
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C:\Users\Admin\AppData\Local\Temp\N.exeC:\Users\Admin\AppData\Local\Temp\\N.exe2⤵
- Executes dropped EXE
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492 -
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\N.exe > nul3⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2476 -
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:2080
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2024 -ip 20241⤵PID:4868
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2024 -ip 20241⤵PID:4556
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3624 -
C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1896
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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
377KB
MD54a36a48e58829c22381572b2040b6fe0
SHA1f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA2563de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA5125d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
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Filesize
941KB
MD58dc3adf1c490211971c1e2325f1424d2
SHA14eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
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Filesize
899KB
MD517b2bcafddc7d4647f9d19dfbe551779
SHA120f5ee4966788616c053247d1ea6a94e1d8f62e1
SHA256f0e8139adfcbe23eab20046a4d6f6c7339cfa79f211cf199ed90b79a4d1ae817
SHA5123648d90cb5888854c39c8223a8209693edb167b2262e1ff14e4057855f8095730dd7d7061a0724056b571682eafa21d8998276cc5e5cdb6d58caf18c078b7eb3