Analysis
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max time kernel
150s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
01-07-2024 04:27
Static task
static1
Behavioral task
behavioral1
Sample
a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
Resource
win7-20240221-en
General
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Target
a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe
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Size
9.0MB
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MD5
d03f66c2b1ff21cefb5146fa6d2481b4
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SHA1
c50d87a4ec9a63843d82fdbd0e4ad1b6094bb7c8
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SHA256
a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f
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SHA512
6f2bafd5c65dbaf7253a18a0f08ebea183b5f1fc98e86865717a36b302082f0ccc3aef3091c8ce86260be8515f034a5c02dbcf38018f49f0a9455041a686712b
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SSDEEP
196608:/KXbeO7B8B+IFfKv4E97HfctdUz72ZPuFG1:c7CB+Mov97HufleG1
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/2584-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2584-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2548-47-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2548-48-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 6 IoCs
Processes:
resource yara_rule \Windows\SysWOW64\259401161.txt family_gh0strat behavioral1/memory/2584-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2584-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2548-47-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2548-48-0x0000000010000000-0x00000000101B6000-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 -
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
Processes:
R.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\259401161.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_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exeRemote Data.exepid process 2800 R.exe 2584 N.exe 2660 TXPlatfor.exe 2548 TXPlatfor.exe 2500 HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe 1496 Remote Data.exe -
Loads dropped DLL 8 IoCs
Processes:
a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exepid process 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe 2800 R.exe 2516 svchost.exe 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe 2660 TXPlatfor.exe 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe 2516 svchost.exe 1496 Remote Data.exe -
Processes:
resource yara_rule behavioral1/memory/2584-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2584-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2584-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2548-47-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2548-48-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
Processes:
svchost.exeN.exeR.exedescription ioc process 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 File created C:\Windows\SysWOW64\259401161.txt R.exe File opened for modification C:\Windows\SysWOW64\ini.ini R.exe File created C:\Windows\SysWOW64\Remote Data.exe svchost.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exepid process 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatfor.exepid process 2548 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
N.exeTXPlatfor.exedescription pid process Token: SeIncBasePriorityPrivilege 2584 N.exe Token: SeLoadDriverPrivilege 2548 TXPlatfor.exe Token: 33 2548 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2548 TXPlatfor.exe Token: 33 2548 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2548 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exepid process 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exeN.exeTXPlatfor.execmd.exesvchost.exedescription pid process target process PID 2164 wrote to memory of 2800 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe R.exe PID 2164 wrote to memory of 2800 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe R.exe PID 2164 wrote to memory of 2800 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe R.exe PID 2164 wrote to memory of 2800 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe R.exe PID 2164 wrote to memory of 2584 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe N.exe PID 2164 wrote to memory of 2584 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe N.exe PID 2164 wrote to memory of 2584 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe N.exe PID 2164 wrote to memory of 2584 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe N.exe PID 2164 wrote to memory of 2584 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe N.exe PID 2164 wrote to memory of 2584 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe N.exe PID 2164 wrote to memory of 2584 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe N.exe PID 2584 wrote to memory of 2808 2584 N.exe cmd.exe PID 2584 wrote to memory of 2808 2584 N.exe cmd.exe PID 2584 wrote to memory of 2808 2584 N.exe cmd.exe PID 2584 wrote to memory of 2808 2584 N.exe cmd.exe PID 2660 wrote to memory of 2548 2660 TXPlatfor.exe TXPlatfor.exe PID 2660 wrote to memory of 2548 2660 TXPlatfor.exe TXPlatfor.exe PID 2660 wrote to memory of 2548 2660 TXPlatfor.exe TXPlatfor.exe PID 2660 wrote to memory of 2548 2660 TXPlatfor.exe TXPlatfor.exe PID 2660 wrote to memory of 2548 2660 TXPlatfor.exe TXPlatfor.exe PID 2660 wrote to memory of 2548 2660 TXPlatfor.exe TXPlatfor.exe PID 2660 wrote to memory of 2548 2660 TXPlatfor.exe TXPlatfor.exe PID 2164 wrote to memory of 2500 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe PID 2164 wrote to memory of 2500 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe PID 2164 wrote to memory of 2500 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe PID 2164 wrote to memory of 2500 2164 a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe PID 2808 wrote to memory of 1620 2808 cmd.exe PING.EXE PID 2808 wrote to memory of 1620 2808 cmd.exe PING.EXE PID 2808 wrote to memory of 1620 2808 cmd.exe PING.EXE PID 2808 wrote to memory of 1620 2808 cmd.exe PING.EXE PID 2516 wrote to memory of 1496 2516 svchost.exe Remote Data.exe PID 2516 wrote to memory of 1496 2516 svchost.exe Remote Data.exe PID 2516 wrote to memory of 1496 2516 svchost.exe Remote Data.exe PID 2516 wrote to memory of 1496 2516 svchost.exe Remote Data.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exe"C:\Users\Admin\AppData\Local\Temp\a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.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⤵
- Server Software Component: Terminal Services DLL
- 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_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exeC:\Users\Admin\AppData\Local\Temp\HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.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\259401161.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
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Downloads
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
2.6MB
MD5a9aea5eb9ba87424dad934e7706ba53f
SHA1bedc4ddc02e163156561d000c73f1f1951d18335
SHA256cff458c3505bc754b8608564ce0aae38469ececac6c9f4f79ff80083a4ca223f
SHA51254697791189399ccfe71e2a806e021d4b301576199b3d4187daeadde6a67ad4f0f0856325199b166fd087ee5e8aef408cca1c9bebc794d38befee7d6bdabd09b
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C:\Users\Admin\AppData\Local\Temp\HD_a0916bfd3a08be40d036ff8b8bbf6043f075745c0d306fc457062d258eb0109f.exeFilesize
6.4MB
MD5aa92e60e74b20a319263895fbebd76d1
SHA1ca9a22323d13862bcdaae500e686b1c6a49d79be
SHA256e74356a880b669b8e2730cc2a38a44d974806c179f98af7d4e8a3f9f37682f84
SHA512227f971604ccf9c52092c73f5a7a1084e755fe35729b7a7b183ee0ca0f2931f78d811e2482dfac7fbfd8f497f1a1599af854db1a0219a10d60585d27a18da6aa
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\Users\Admin\AppData\Local\Temp\N.exeFilesize
377KB
MD54a36a48e58829c22381572b2040b6fe0
SHA1f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA2563de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA5125d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
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\Users\Admin\AppData\Local\Temp\R.exeFilesize
941KB
MD58dc3adf1c490211971c1e2325f1424d2
SHA14eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
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\Windows\SysWOW64\259401161.txtFilesize
899KB
MD57cdfc6568b02aae9503e2c8a65aaa778
SHA1576ef6edf27f2de386c14a38ecd1a3293cef6f4d
SHA2569f221a835982f64c1ea315522c8f16ec3bca01bf1fb4a159ef188fe23453b6d9
SHA5129a525be4c4dd831e738b9ea83cf59399659570bc2e581d2fce132767bae1edde841fb7ff31560eb8689a69f096220d863d043fa9b27eadfe949dfc9eade1edbb
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\Windows\SysWOW64\Remote Data.exeFilesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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memory/2548-43-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2548-47-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2548-48-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2584-18-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2584-21-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/2584-20-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB