Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
18/03/2024, 19:09
Static task
static1
Behavioral task
behavioral1
Sample
fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe
Resource
win7-20231129-en
General
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Target
fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe
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Size
3.0MB
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MD5
6e1492fcd8a7bd342dc5bef4755cf981
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SHA1
16a2b3fe5f5e172b1a79927d9d3bc11f913c6d4d
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SHA256
fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340
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SHA512
0b7ecc7fa1a79c02719ae4d42081fa4018793316fbe6a66304bfab46c4ee7dff252e30bcd5657bd9ad72791087d3f59a3f9ad7decd0162c2499fdcb9103dc598
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SSDEEP
49152:yCwsbCANnKXferL7Vwe/Gg0P+Whk94Np:Vws2ANnKXOaeOgmhk2p
Malware Config
Signatures
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resource yara_rule behavioral2/memory/2524-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2524-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1836-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1836-30-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2524-33-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1836-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2472-44-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2472-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2472-49-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 11 IoCs
resource yara_rule behavioral2/files/0x00090000000231ed-5.dat family_gh0strat behavioral2/memory/2524-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2524-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1836-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1836-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1836-30-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2524-33-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1836-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2472-44-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2472-46-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2472-49-0x0000000010000000-0x00000000101B6000-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 DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240596171.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 2632 R.exe 2524 N.exe 1836 TXPlatfor.exe 2472 TXPlatfor.exe 2580 HD_fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 1448 Remote Data.exe -
Loads dropped DLL 3 IoCs
pid Process 2632 R.exe 3804 svchost.exe 1448 Remote Data.exe -
resource yara_rule behavioral2/memory/2524-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2524-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2524-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1836-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1836-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1836-30-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1836-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2524-33-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1836-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2472-44-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2472-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2472-49-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/memory/2580-66-0x0000000140000000-0x0000000140105000-memory.dmp autoit_exe -
Drops file in System32 directory 6 IoCs
description ioc Process 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\240596171.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 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Kills process with taskkill 1 IoCs
pid Process 4444 taskkill.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 3796 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2472 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 7 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2524 N.exe Token: SeLoadDriverPrivilege 2472 TXPlatfor.exe Token: SeDebugPrivilege 4444 taskkill.exe Token: 33 2472 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2472 TXPlatfor.exe Token: 33 2472 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2472 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe -
Suspicious use of WriteProcessMemory 24 IoCs
description pid Process procid_target PID 2052 wrote to memory of 2632 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 89 PID 2052 wrote to memory of 2632 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 89 PID 2052 wrote to memory of 2632 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 89 PID 2052 wrote to memory of 2524 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 92 PID 2052 wrote to memory of 2524 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 92 PID 2052 wrote to memory of 2524 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 92 PID 2524 wrote to memory of 3892 2524 N.exe 95 PID 2524 wrote to memory of 3892 2524 N.exe 95 PID 2524 wrote to memory of 3892 2524 N.exe 95 PID 1836 wrote to memory of 2472 1836 TXPlatfor.exe 96 PID 1836 wrote to memory of 2472 1836 TXPlatfor.exe 96 PID 1836 wrote to memory of 2472 1836 TXPlatfor.exe 96 PID 2052 wrote to memory of 2580 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 97 PID 2052 wrote to memory of 2580 2052 fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 97 PID 3892 wrote to memory of 3796 3892 cmd.exe 100 PID 3892 wrote to memory of 3796 3892 cmd.exe 100 PID 3892 wrote to memory of 3796 3892 cmd.exe 100 PID 3804 wrote to memory of 1448 3804 svchost.exe 105 PID 3804 wrote to memory of 1448 3804 svchost.exe 105 PID 3804 wrote to memory of 1448 3804 svchost.exe 105 PID 2580 wrote to memory of 4980 2580 HD_fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 109 PID 2580 wrote to memory of 4980 2580 HD_fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe 109 PID 4980 wrote to memory of 4444 4980 cmd.exe 111 PID 4980 wrote to memory of 4444 4980 cmd.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe"C:\Users\Admin\AppData\Local\Temp\fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2052 -
C:\Users\Admin\AppData\Local\Temp\R.exeC:\Users\Admin\AppData\Local\Temp\\R.exe2⤵
- Sets DLL path for service in the registry
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
PID:2632
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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
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2524 -
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⤵
- Suspicious use of WriteProcessMemory
PID:3892 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:3796
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C:\Users\Admin\AppData\Local\Temp\HD_fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exeC:\Users\Admin\AppData\Local\Temp\HD_fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c taskkill /im kugou.exe /f&del /q3⤵
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Windows\system32\taskkill.exetaskkill /im kugou.exe /f4⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4444
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:864
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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
- Suspicious use of WriteProcessMemory
PID:3804 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240596171.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:1448
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1836 -
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:2472
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2.6MB
MD5274fe01eb0f4cd402c3cfdeda4b30715
SHA172db93e86caaadf2f28e5265ebfbc2ea6ba9e705
SHA256843743adaef60d2f490d2702487f7687ffa36524d11ad89feed31bbddfd21d40
SHA5126d71d57566f436c6e1242421070bca8c62ba95a7ccfc73ae5efef54f93482b3e3b742bda361b7c713a5e5158f11310401341bd1ddd4f011ba33f77c5e9543798
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C:\Users\Admin\AppData\Local\Temp\HD_fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe
Filesize320KB
MD55566e7a8fa387f11b5d0e5403df56073
SHA1a8937d1e0936074f316642b59adb3b696b7a3694
SHA25693a724a0d489c2a374a4805c0ddeb0566f1bca71de4a39fc2838633f250f49c9
SHA512f296f63b45a9a8c5ec1b7ec3160b997b403ef6042903bd0e6d4e1592b8a6ca654009a117c1fc8ce507e3dc6535f399dfee9bc2ea2cd28fb9ba237cb71183e332
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C:\Users\Admin\AppData\Local\Temp\HD_fa5a33cbca326fb59d026d9e0b4a372c1dd21db5fcee1ebd498e1bb3c1b3c340.exe
Filesize69KB
MD59617874ff7425158107daabbd348cbf7
SHA17586734d229baa857aa02a4d844d643416b0894d
SHA25686a69ddd70254e767b03ef909974f87290e530d3df4267282c67733c31b15665
SHA512af020148d768342c52de95c242856a36d1fb956d7b567723a7b810f9672f91d86d74f53fb545b340dd89cf911906682059b33cba50e080cfe0e13cfac33f0bb1
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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
MD55963d84b4fcf13fa219c8305818aff50
SHA157d050b8a87fa1a4dcdd20bcf012a497ba583bc8
SHA256554d7ea488a25e0d52e698e08e1fa28bcf4b6e42827250ca8bfdd0262cf16041
SHA512eff8117be7eec48ae333b26babcb7df88dc7bfde98d0ec0dd483d52a2ad8548604dfc7ce0cb503ba059f4b3511c04ab1cc731b38868e072690b731f3194cc344
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641