Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 14:33
Static task
static1
Behavioral task
behavioral1
Sample
c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
Resource
win7-20240220-en
General
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Target
c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe
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Size
2.6MB
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MD5
669722ac3cdf13e94e734de5d2707a1e
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SHA1
947a15ae4e8af4aa8ef6883305809f0eb11ee8b0
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SHA256
c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2
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SHA512
26d1002bd1c21b5d86446b1184e1f21b07e5f2bf8851bc3fa33f44218941c18266a5cb5433b8534faf577368facf5fcb8d962274f208193b644b486d9357e3e2
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SSDEEP
49152:yCwsbCANnKXferL7Vwe/Gg0P+WhbLTwM6mn2C:Vws2ANnKXOaeOgmhPTwM6mn2C
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/1308-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1308-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1308-18-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/884-50-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/884-55-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/884-56-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
Processes:
resource yara_rule C:\Windows\SysWOW64\240605281.txt family_gh0strat behavioral2/memory/1308-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1308-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1308-18-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/884-50-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/884-55-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/884-56-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Drops file in Drivers directory 1 IoCs
Processes:
TXPlatfor.exedescription ioc process File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe -
Sets DLL path for service in the registry 2 TTPs 1 IoCs
Processes:
R.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240605281.txt" R.exe -
Sets service image path in registry 2 TTPs 1 IoCs
Processes:
TXPlatfor.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatfor.exe -
Executes dropped EXE 6 IoCs
Processes:
R.exeN.exeTXPlatfor.exeHD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exeTXPlatfor.exeRemote Data.exepid process 4220 R.exe 1308 N.exe 3984 TXPlatfor.exe 4900 HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe 884 TXPlatfor.exe 1696 Remote Data.exe -
Loads dropped DLL 3 IoCs
Processes:
R.exesvchost.exeRemote Data.exepid process 4220 R.exe 2776 svchost.exe 1696 Remote Data.exe -
Processes:
resource yara_rule behavioral2/memory/1308-16-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1308-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1308-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1308-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3984-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/884-50-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/884-55-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/884-56-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
Processes:
R.exesvchost.exeN.exedescription ioc process File created C:\Windows\SysWOW64\240605281.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 -
Drops file in Program Files directory 1 IoCs
Processes:
c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exepid process 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatfor.exepid process 884 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
N.exeTXPlatfor.exedescription pid process Token: SeIncBasePriorityPrivilege 1308 N.exe Token: SeLoadDriverPrivilege 884 TXPlatfor.exe Token: 33 884 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 884 TXPlatfor.exe Token: 33 884 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 884 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exepid process 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exeN.exeTXPlatfor.execmd.exesvchost.exedescription pid process target process PID 4928 wrote to memory of 4220 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe R.exe PID 4928 wrote to memory of 4220 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe R.exe PID 4928 wrote to memory of 4220 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe R.exe PID 4928 wrote to memory of 1308 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe N.exe PID 4928 wrote to memory of 1308 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe N.exe PID 4928 wrote to memory of 1308 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe N.exe PID 1308 wrote to memory of 2008 1308 N.exe cmd.exe PID 1308 wrote to memory of 2008 1308 N.exe cmd.exe PID 1308 wrote to memory of 2008 1308 N.exe cmd.exe PID 4928 wrote to memory of 4900 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe PID 4928 wrote to memory of 4900 4928 c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe PID 3984 wrote to memory of 884 3984 TXPlatfor.exe TXPlatfor.exe PID 3984 wrote to memory of 884 3984 TXPlatfor.exe TXPlatfor.exe PID 3984 wrote to memory of 884 3984 TXPlatfor.exe TXPlatfor.exe PID 2008 wrote to memory of 3516 2008 cmd.exe PING.EXE PID 2008 wrote to memory of 3516 2008 cmd.exe PING.EXE PID 2008 wrote to memory of 3516 2008 cmd.exe PING.EXE PID 2776 wrote to memory of 1696 2776 svchost.exe Remote Data.exe PID 2776 wrote to memory of 1696 2776 svchost.exe Remote Data.exe PID 2776 wrote to memory of 1696 2776 svchost.exe Remote Data.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe"C:\Users\Admin\AppData\Local\Temp\c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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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
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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
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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
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C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
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C:\Users\Admin\AppData\Local\Temp\HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exeC:\Users\Admin\AppData\Local\Temp\HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exe2⤵
- Executes dropped EXE
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵
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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
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C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240605281.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
2.6MB
MD525411e8ec8c4480ab0c70c4b3e655e19
SHA1899f104a98634d92b84ae9c9e1c96490268fbb84
SHA2561a76391fc586fa9fb7466802dfaee2ecc19b9602b7d6e80b2c043e7d51e7a33d
SHA5125cd2704436b0ddfa2e55dac9dde7438148513a2b65e8382458fb00e38ad7671754a97b431d848aff617f3c44e17c064de34c0a861a155d3b3c83335f5da0f153
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C:\Users\Admin\AppData\Local\Temp\HD_c37e8f1eb95ce7dab0f80e0f910ad1108702a42708ec691beb8ee649487e20f2.exeFilesize
23KB
MD5db486de7281c03c7a9f5dbc8438dbfb3
SHA1a2ec6a3c4672b6fe03cdaefce998724f6d5b4281
SHA256645e39f287d084a3cbd6fcb3cec7ba47067f7b48035de5c23265c0d9d941ed85
SHA51253a10c5b6d1c9376602d3735e963007004b2f1ce9072a2adb38d5b9f0ceecbf451b8fbceaa8c6808d8b2eaf9e88ad7de51bc0e18df53857b04d0674fc60895ab
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C:\Users\Admin\AppData\Local\Temp\N.exeFilesize
377KB
MD54a36a48e58829c22381572b2040b6fe0
SHA1f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA2563de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA5125d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
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C:\Users\Admin\AppData\Local\Temp\R.exeFilesize
941KB
MD58dc3adf1c490211971c1e2325f1424d2
SHA14eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
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C:\Windows\SysWOW64\240605281.txtFilesize
899KB
MD58459d931656d580e397875b4c653d9b5
SHA1626053a7a4a0e085abe81e3d3ad05687fbd5652f
SHA256b2d5a61c9b822e8d024a6968a4eae7f3ba2c9e8170ae0b7f0ca7749bd9c6ef9f
SHA5129203b2d3eafb673cd9b44e95113bda0123c8f4e038e5d77c997a1971c5243bfaf007fbda14c10b1f2ca23ef413d16cccfd1b725d967caac52ffd50e44fc5a5b1
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C:\Windows\SysWOW64\Remote Data.exeFilesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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memory/884-56-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/884-55-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/884-50-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1308-19-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1308-18-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1308-23-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1308-16-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3984-29-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3984-26-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3984-28-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB