Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08-12-2024 12:34
Static task
static1
Behavioral task
behavioral1
Sample
e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
Resource
win7-20240903-en
General
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Target
e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe
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Size
2.5MB
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MD5
d9f4f1369cbee0aae9cf7a5ed85bde63
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SHA1
6dbcc1ed9cc802f63c6ddce2e44531d64102f9bb
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SHA256
e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b
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SHA512
1ae96b1d66903d4352af076cdba303f63573ae5dd35237625e60e9001b99515c9690d749eebecfb202143c3b602c9a0a2fceb7fde654f401049b06ebd8cd2b2a
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SSDEEP
24576:TCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHt:TCwsbCANnKXferL7Vwe/Gg0P+WhvrYv
Malware Config
Signatures
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resource yara_rule behavioral2/memory/992-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/992-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/992-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/748-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/748-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4648-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4648-42-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4648-43-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral2/files/0x0008000000023cb8-5.dat family_gh0strat behavioral2/memory/992-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/992-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/992-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/748-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/748-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4648-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4648-42-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4648-43-0x0000000010000000-0x00000000101B6000-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\\240634875.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 3512 R.exe 992 N.exe 748 TXPlatfor.exe 4648 TXPlatfor.exe 3684 Remote Data.exe -
Loads dropped DLL 3 IoCs
pid Process 3512 R.exe 3448 svchost.exe 3684 Remote Data.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe N.exe File created C:\Windows\SysWOW64\240634875.txt R.exe File opened for modification C:\Windows\SysWOW64\ini.ini R.exe File created C:\Windows\SysWOW64\Remote Data.exe svchost.exe File opened for modification C:\Windows\SysWOW64\Remote Data.exe svchost.exe File created C:\Windows\SysWOW64\TXPlatfor.exe N.exe -
resource yara_rule behavioral2/memory/992-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/992-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/992-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/992-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/748-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4648-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4648-42-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4648-43-0x0000000010000000-0x00000000101B6000-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 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 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 Remote Data.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1076 cmd.exe 948 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 948 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4648 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 992 N.exe Token: SeLoadDriverPrivilege 4648 TXPlatfor.exe Token: 33 4648 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 4648 TXPlatfor.exe Token: 33 4648 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 4648 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 2476 wrote to memory of 3512 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe 85 PID 2476 wrote to memory of 3512 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe 85 PID 2476 wrote to memory of 3512 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe 85 PID 2476 wrote to memory of 992 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe 88 PID 2476 wrote to memory of 992 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe 88 PID 2476 wrote to memory of 992 2476 e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe 88 PID 992 wrote to memory of 1076 992 N.exe 90 PID 992 wrote to memory of 1076 992 N.exe 90 PID 992 wrote to memory of 1076 992 N.exe 90 PID 748 wrote to memory of 4648 748 TXPlatfor.exe 91 PID 748 wrote to memory of 4648 748 TXPlatfor.exe 91 PID 748 wrote to memory of 4648 748 TXPlatfor.exe 91 PID 1076 wrote to memory of 948 1076 cmd.exe 93 PID 1076 wrote to memory of 948 1076 cmd.exe 93 PID 1076 wrote to memory of 948 1076 cmd.exe 93 PID 3448 wrote to memory of 3684 3448 svchost.exe 96 PID 3448 wrote to memory of 3684 3448 svchost.exe 96 PID 3448 wrote to memory of 3684 3448 svchost.exe 96
Processes
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C:\Users\Admin\AppData\Local\Temp\e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe"C:\Users\Admin\AppData\Local\Temp\e83e0a0bc54ad33bca82957802f190770bc5ebc6767f1d37d092c7106223be9b.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476 -
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:3512
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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:992 -
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:1076 -
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:948
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:1104
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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:3448 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240634875.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:3684
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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:748 -
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:4648
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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
377KB
MD54a36a48e58829c22381572b2040b6fe0
SHA1f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA2563de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA5125d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
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Filesize
941KB
MD58dc3adf1c490211971c1e2325f1424d2
SHA14eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
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Filesize
3.0MB
MD51da6bac9389eb8c66b9a52dd2dd22387
SHA14cb897860dd8f14b8c1162194138df3c677ac1ee
SHA2568ecc871b647b6eebafffb5bca7755ff91eebbf6990152329705ff6d4b7b27f02
SHA512ebb0a72e48709a115bc2e52934cb7b60e4d540e0a7eaa416d6bbf4e1e3ab5ec771da3063199abc42ce68df62d60c80191ae3a877412312ab287becb65073ae82
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Filesize
899KB
MD55bcbe4462c98c0934fcbe7c2d0f4686e
SHA1e7144c9a6e2d598f925c1873f49450392b13ca66
SHA256bbc3117f2c53015447a0df0ae1c8db15eb246f465254b0a6d47b07a6b7c8a332
SHA512efe50ae3147e37461b040395c8166ea6cd278194ad2a525645112a796332789687aa949b9cc978379ad607e72546a8d3a3e4548b10f9ebd1470e231fe8e3aba4
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641