Analysis
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max time kernel
150s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 11:34
Static task
static1
Behavioral task
behavioral1
Sample
b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe
Resource
win7-20240221-en
General
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Target
b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe
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Size
2.9MB
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MD5
59af0356bc57f48c901c02373c8286d4
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SHA1
be3a4cf6c3c763ae83ff379b092dd66e809439ba
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SHA256
b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b
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SHA512
49a909c873295b9ebde2e68275d298c76265d579f8ba772d0fb42bdcff32a2611de53b6f77f32cc5f4644c68dd9a45c6cb4f6e9fbe478d40c2e73b8b11497dad
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SSDEEP
49152:YCwsbCANnKXferL7Vwe/Gg0P+WhVuoMjEm1:zws2ANnKXOaeOgmhVuo
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/2972-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2972-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2520-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2520-44-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2520-49-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
Processes:
resource yara_rule \Windows\SysWOW64\259400131.txt family_gh0strat behavioral1/memory/2972-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2972-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2520-46-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2520-44-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2520-49-0x0000000010000000-0x00000000101B6000-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\\259400131.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.exeTXPlatfor.exeHD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exeRemote Data.exepid process 2368 R.exe 2972 N.exe 2584 TXPlatfor.exe 2520 TXPlatfor.exe 2996 HD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe 2964 Remote Data.exe -
Loads dropped DLL 8 IoCs
Processes:
b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exepid process 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe 2368 R.exe 2172 svchost.exe 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe 2584 TXPlatfor.exe 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe 2172 svchost.exe 2964 Remote Data.exe -
Processes:
resource yara_rule behavioral1/memory/2972-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2972-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2972-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2520-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2520-44-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2520-49-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
Processes:
R.exesvchost.exeN.exedescription ioc process File created C:\Windows\SysWOW64\259400131.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 -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exepid process 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatfor.exepid process 2520 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
N.exeTXPlatfor.exedescription pid process Token: SeIncBasePriorityPrivilege 2972 N.exe Token: SeLoadDriverPrivilege 2520 TXPlatfor.exe Token: 33 2520 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2520 TXPlatfor.exe Token: 33 2520 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2520 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exepid process 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exeN.exeTXPlatfor.execmd.exesvchost.exedescription pid process target process PID 2304 wrote to memory of 2368 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe R.exe PID 2304 wrote to memory of 2368 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe R.exe PID 2304 wrote to memory of 2368 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe R.exe PID 2304 wrote to memory of 2368 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe R.exe PID 2304 wrote to memory of 2972 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe N.exe PID 2304 wrote to memory of 2972 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe N.exe PID 2304 wrote to memory of 2972 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe N.exe PID 2304 wrote to memory of 2972 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe N.exe PID 2304 wrote to memory of 2972 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe N.exe PID 2304 wrote to memory of 2972 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe N.exe PID 2304 wrote to memory of 2972 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe N.exe PID 2972 wrote to memory of 2548 2972 N.exe cmd.exe PID 2972 wrote to memory of 2548 2972 N.exe cmd.exe PID 2972 wrote to memory of 2548 2972 N.exe cmd.exe PID 2972 wrote to memory of 2548 2972 N.exe cmd.exe PID 2584 wrote to memory of 2520 2584 TXPlatfor.exe TXPlatfor.exe PID 2584 wrote to memory of 2520 2584 TXPlatfor.exe TXPlatfor.exe PID 2584 wrote to memory of 2520 2584 TXPlatfor.exe TXPlatfor.exe PID 2584 wrote to memory of 2520 2584 TXPlatfor.exe TXPlatfor.exe PID 2584 wrote to memory of 2520 2584 TXPlatfor.exe TXPlatfor.exe PID 2584 wrote to memory of 2520 2584 TXPlatfor.exe TXPlatfor.exe PID 2584 wrote to memory of 2520 2584 TXPlatfor.exe TXPlatfor.exe PID 2304 wrote to memory of 2996 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe HD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe PID 2304 wrote to memory of 2996 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe HD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe PID 2304 wrote to memory of 2996 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe HD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe PID 2304 wrote to memory of 2996 2304 b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe HD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe PID 2548 wrote to memory of 2760 2548 cmd.exe PING.EXE PID 2548 wrote to memory of 2760 2548 cmd.exe PING.EXE PID 2548 wrote to memory of 2760 2548 cmd.exe PING.EXE PID 2548 wrote to memory of 2760 2548 cmd.exe PING.EXE PID 2172 wrote to memory of 2964 2172 svchost.exe Remote Data.exe PID 2172 wrote to memory of 2964 2172 svchost.exe Remote Data.exe PID 2172 wrote to memory of 2964 2172 svchost.exe Remote Data.exe PID 2172 wrote to memory of 2964 2172 svchost.exe Remote Data.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe"C:\Users\Admin\AppData\Local\Temp\b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exe"1⤵
- Loads dropped DLL
- 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_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exeC:\Users\Admin\AppData\Local\Temp\HD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.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\259400131.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
- Loads dropped DLL
- 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
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
2.5MB
MD5bf8ec257e90cbeaf5706520f0664af66
SHA1020bcf401214e24573003b44f11bb4145afa8032
SHA256b7fafd8374cd884ab3f92583b58f484eebbb1b78787353cc261596f5a4cd7a7d
SHA512e09edfab4f0fda54004bd1c8fe7677611269cdd8933b0a4eef230264176a23b0a6068058942c35eb6a005fdb158c5fde44542ead2acd820bc16695be0a737057
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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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\Users\Admin\AppData\Local\Temp\HD_b540bccf4371c17ee9843f4f2603d9d3762de061816658784ec31746bf96941b.exeFilesize
439KB
MD56098bdb3693c9583577b2eecf6919c28
SHA1adb756bc598bc7f448f6cc3de65f51fad2ea8bce
SHA2569972d1f9c8cca5b6b283b6a99d745daa6129bbafe7efe2360bc986362885174d
SHA51250dc69b501b4f20894a66e1ef447de8d386d7645a40bc024190870cc7496e359dd03b3d2c574ac318228a2dd13d80ebbcf7448b9a2135929a0c3ca281a7e6c3d
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\Windows\SysWOW64\259400131.txtFilesize
899KB
MD52a46129053db1d722ed088d0427edb95
SHA1c6dd79432156b8bb94aeac327d6598647eca6a7f
SHA2564d46304b566fec283e272d831249071cc82627de1ad92eb6bce551f6448a6181
SHA5124c435069323e6ff34e852f9b1962bff0c7575086ced90466c69c6feeb3b0aff662998eccf9a1af58360c59ace692d565a02f57e2b2746832ec44e2b084f656c0
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\Windows\SysWOW64\Remote Data.exeFilesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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memory/2520-46-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2520-44-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2520-49-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2972-20-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2972-18-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2972-21-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB