Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
28-12-2024 23:50
Static task
static1
Behavioral task
behavioral1
Sample
642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
Resource
win7-20240903-en
General
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Target
642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
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Size
2.6MB
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MD5
f564c071e0d9a8d1b2541d1df2ad3c57
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SHA1
b13cad44691d71f7ced5854f45d3a34af786a24d
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SHA256
642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2
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SHA512
f8fcdf5c903a819e645f10a058e5f29ce4f97c8fb9206c59a4c9d35087bf4da44405d0cf70304ccb50c68842dddd85cb56187950a69da91d62452172592a38bd
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SSDEEP
49152:OCwsbCANnKXferL7Vwe/Gg0P+WhIsABTuS:pws2ANnKXOaeOgmhI1BTuS
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2600-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2600-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2652-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2652-50-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2652-51-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
resource yara_rule behavioral1/files/0x0008000000016d63-6.dat family_gh0strat behavioral1/memory/2600-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2600-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2652-46-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2652-50-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2652-51-0x0000000010000000-0x00000000101B6000-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\\259419741.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 6 IoCs
pid Process 2732 R.exe 2600 N.exe 1948 TXPlatfor.exe 2652 TXPlatfor.exe 1844 HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 2664 Remote Data.exe -
Loads dropped DLL 8 IoCs
pid Process 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 2732 R.exe 2740 svchost.exe 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 1948 TXPlatfor.exe 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 2740 svchost.exe 2664 Remote Data.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\259419741.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 File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe N.exe -
resource yara_rule behavioral1/memory/2600-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2600-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2600-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2652-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2652-50-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2652-51-0x0000000010000000-0x00000000101B6000-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 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.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 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 -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2628 cmd.exe 2616 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2616 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2652 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2600 N.exe Token: SeLoadDriverPrivilege 2652 TXPlatfor.exe Token: 33 2652 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2652 TXPlatfor.exe Token: 33 2652 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2652 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe -
Suspicious use of WriteProcessMemory 34 IoCs
description pid Process procid_target PID 2824 wrote to memory of 2732 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 30 PID 2824 wrote to memory of 2732 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 30 PID 2824 wrote to memory of 2732 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 30 PID 2824 wrote to memory of 2732 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 30 PID 2824 wrote to memory of 2600 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 33 PID 2824 wrote to memory of 2600 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 33 PID 2824 wrote to memory of 2600 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 33 PID 2824 wrote to memory of 2600 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 33 PID 2824 wrote to memory of 2600 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 33 PID 2824 wrote to memory of 2600 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 33 PID 2824 wrote to memory of 2600 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 33 PID 2600 wrote to memory of 2628 2600 N.exe 35 PID 2600 wrote to memory of 2628 2600 N.exe 35 PID 2600 wrote to memory of 2628 2600 N.exe 35 PID 2600 wrote to memory of 2628 2600 N.exe 35 PID 1948 wrote to memory of 2652 1948 TXPlatfor.exe 36 PID 1948 wrote to memory of 2652 1948 TXPlatfor.exe 36 PID 1948 wrote to memory of 2652 1948 TXPlatfor.exe 36 PID 1948 wrote to memory of 2652 1948 TXPlatfor.exe 36 PID 1948 wrote to memory of 2652 1948 TXPlatfor.exe 36 PID 1948 wrote to memory of 2652 1948 TXPlatfor.exe 36 PID 1948 wrote to memory of 2652 1948 TXPlatfor.exe 36 PID 2824 wrote to memory of 1844 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 38 PID 2824 wrote to memory of 1844 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 38 PID 2824 wrote to memory of 1844 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 38 PID 2824 wrote to memory of 1844 2824 642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe 38 PID 2628 wrote to memory of 2616 2628 cmd.exe 40 PID 2628 wrote to memory of 2616 2628 cmd.exe 40 PID 2628 wrote to memory of 2616 2628 cmd.exe 40 PID 2628 wrote to memory of 2616 2628 cmd.exe 40 PID 2740 wrote to memory of 2664 2740 svchost.exe 42 PID 2740 wrote to memory of 2664 2740 svchost.exe 42 PID 2740 wrote to memory of 2664 2740 svchost.exe 42 PID 2740 wrote to memory of 2664 2740 svchost.exe 42
Processes
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C:\Users\Admin\AppData\Local\Temp\642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe"C:\Users\Admin\AppData\Local\Temp\642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2824 -
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:2732
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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:2600 -
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:2628 -
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:2616
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C:\Users\Admin\AppData\Local\Temp\HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exeC:\Users\Admin\AppData\Local\Temp\HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe2⤵
- Executes dropped EXE
PID:1844
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:2268
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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:2740 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259419741.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2664
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948 -
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:2652
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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
3.5MB
MD58e7d9890a6f274928c597d7a1944e874
SHA1b0f9a32a2d639774ad284d6480c620fca6f866b7
SHA256e8b7f24f5a5d4eebdaf73d0fc7487b02dcbe1818156587dc5ab8e371faa547a8
SHA51296592654903228474092794780729c6337a086d4d0c5e866aaa0238f0ba96bbfb7856a1269ba7f1ba1a2efd46e3eaf7865b7c4876ada4e8ae5daafff50a73126
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\Users\Admin\AppData\Local\Temp\HD_642745ad12315e3041ee737d3bfba9615b9df0e015f878da804a99a1ed9d8cf2.exe
Filesize11KB
MD58c7854ece85dad1c3b063cf75a6b631d
SHA186407cc17ebda867a0d8a127dafdb22de4c611b6
SHA25639cf2f3cc0a6153bc9fe95f15496da7d87c7ead692e7ec6dcd9beee55d8be35e
SHA512e55118b36d661e248984f4fe807922de64cbff39ad060ebd28d89ca06823ec96853b76f6847660562f3981308ee73baa25b2a63d97f160944d0fa4b6ccd59a2c
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Filesize
941KB
MD58dc3adf1c490211971c1e2325f1424d2
SHA14eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
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Filesize
899KB
MD561d0acb0bbf810df4668d34bbfc3ef48
SHA144ee2a8ca1536977f2f6e7c134c82bf6e69f1ab5
SHA2564e6607bb44e9d60245cce45571afc62da837f17e91f7ffc0d803e6ad1295968d
SHA5123cbc1e13ab1b92631da0fbadf4c9440608c73c7ff7e758b741157a74819820967bf329aea1c2bd1c02e53cbbf5ff98e1f0496ef7324a844865c69cdf70794466
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d