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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
27/12/2024, 13:41
Static task
static1
Behavioral task
behavioral1
Sample
8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe
Resource
win7-20241010-en
General
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Target
8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe
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Size
2.5MB
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MD5
1bd342dfb1b9b74671677b7b240aec93
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SHA1
336151fe21a1bd0f7b715834fa2cc50ca8c98947
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SHA256
8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668
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SHA512
5f255527749f4f5794b73d18864206ff064b18319ef811b9d6b1f9a73d94f33958993d0806d10a40cebab17ee7dcb5c74a3f1ccaa5ada584b9be3ea627b32ebf
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SSDEEP
49152:MCwsbCANnKXferL7Vwe/Gg0P+WhPJWJJsx3:fws2ANnKXOaeOgmhPJWJJsx3
Malware Config
Signatures
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resource yara_rule behavioral2/memory/5108-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5108-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/5108-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1136-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1136-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1768-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1768-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1768-41-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral2/files/0x0007000000023c9b-5.dat family_gh0strat behavioral2/memory/5108-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5108-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/5108-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1136-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1136-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1768-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1768-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1768-41-0x0000000010000000-0x00000000101B6000-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 TXPlatfor.exe -
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240622125.txt" R.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 5 IoCs
pid Process 3412 R.exe 5108 N.exe 1136 TXPlatfor.exe 1768 TXPlatfor.exe 320 Remote Data.exe -
Loads dropped DLL 3 IoCs
pid Process 3412 R.exe 2800 svchost.exe 320 Remote Data.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Remote Data.exe svchost.exe File created C:\Windows\SysWOW64\TXPlatfor.exe N.exe File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe N.exe File created C:\Windows\SysWOW64\240622125.txt R.exe File opened for modification C:\Windows\SysWOW64\ini.ini R.exe File created C:\Windows\SysWOW64\Remote Data.exe svchost.exe -
resource yara_rule behavioral2/memory/5108-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5108-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5108-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/5108-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1136-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1136-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1136-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1768-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1768-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1768-41-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
System Location Discovery: System Language Discovery 1 TTPs 8 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 Remote Data.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language R.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language N.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 TXPlatfor.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 4844 cmd.exe 4980 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4980 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1768 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 5108 N.exe Token: SeLoadDriverPrivilege 1768 TXPlatfor.exe Token: 33 1768 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1768 TXPlatfor.exe Token: 33 1768 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1768 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 4144 wrote to memory of 3412 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe 82 PID 4144 wrote to memory of 3412 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe 82 PID 4144 wrote to memory of 3412 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe 82 PID 4144 wrote to memory of 5108 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe 85 PID 4144 wrote to memory of 5108 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe 85 PID 4144 wrote to memory of 5108 4144 8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe 85 PID 5108 wrote to memory of 4844 5108 N.exe 87 PID 5108 wrote to memory of 4844 5108 N.exe 87 PID 5108 wrote to memory of 4844 5108 N.exe 87 PID 4844 wrote to memory of 4980 4844 cmd.exe 89 PID 4844 wrote to memory of 4980 4844 cmd.exe 89 PID 4844 wrote to memory of 4980 4844 cmd.exe 89 PID 1136 wrote to memory of 1768 1136 TXPlatfor.exe 90 PID 1136 wrote to memory of 1768 1136 TXPlatfor.exe 90 PID 1136 wrote to memory of 1768 1136 TXPlatfor.exe 90 PID 2800 wrote to memory of 320 2800 svchost.exe 91 PID 2800 wrote to memory of 320 2800 svchost.exe 91 PID 2800 wrote to memory of 320 2800 svchost.exe 91
Processes
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C:\Users\Admin\AppData\Local\Temp\8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe"C:\Users\Admin\AppData\Local\Temp\8dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Server Software Component: Terminal Services DLL
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
PID:3412
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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:5108 -
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:4844 -
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:4980
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:396
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2800 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240622125.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:320
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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:1136 -
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:1768
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
2.5MB
MD51bd342dfb1b9b74671677b7b240aec93
SHA1336151fe21a1bd0f7b715834fa2cc50ca8c98947
SHA2568dfa486449b8313ea17266bb73a453f4441038d015cffccb585d8e9db5f38668
SHA5125f255527749f4f5794b73d18864206ff064b18319ef811b9d6b1f9a73d94f33958993d0806d10a40cebab17ee7dcb5c74a3f1ccaa5ada584b9be3ea627b32ebf
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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
MD510b71a8954ff55ee2ba16b2b9b809d41
SHA1c57784d8f828d0172bfc391eef6bb5715fca66ac
SHA256c4e715086c33dbbf08478e7087fd11dfd4fd4b9c4508755ef7d97527f6542cb9
SHA5124d14cdec4f0eb9c401209f04058393bde72693121e810db087ff80fe387cc29ebbb8ab64c13c01160a4609fb682e5970d78610907197bae5ec9779468f6f190b
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641