Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
26-05-2024 11:03
Static task
static1
Behavioral task
behavioral1
Sample
3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe
Resource
win7-20240508-en
General
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Target
3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe
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Size
9.8MB
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MD5
35cd63c55ba1dfd4dcf87340ea920736
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SHA1
819ae2b2e292a6daceeb5866f1f274549f864704
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SHA256
3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12
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SHA512
d4e715d1677a3ee2ccdaae727d35f7d25f32618f7ec6de6fac28642bd87cb62514ec04e6e3452255431f25805ed1778c249e058185c86c1b8ec3262b944ec0c1
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SSDEEP
196608:PKXbeO7pJr0eGxDbELiqZeWRJmtTwp0X0YVCM77W6:M7rexbyiquhtEYVCoz
Malware Config
Signatures
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Processes:
resource yara_rule behavioral1/memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/3044-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1136-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1136-37-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1136-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1136-48-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/1136-52-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
Processes:
resource yara_rule \Windows\SysWOW64\259405154.txt family_gh0strat behavioral1/memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/3044-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1136-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1136-37-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1136-46-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1136-48-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/1136-52-0x0000000010000000-0x00000000101B6000-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\\259405154.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_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exeRemote Data.exepid process 2056 R.exe 3044 N.exe 2748 TXPlatfor.exe 1136 TXPlatfor.exe 2712 HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 820 Remote Data.exe -
Loads dropped DLL 9 IoCs
Processes:
3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exeR.exesvchost.exeTXPlatfor.exeRemote Data.exepid process 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 2056 R.exe 1208 svchost.exe 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 2748 TXPlatfor.exe 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 1208 svchost.exe 820 Remote Data.exe -
Processes:
resource yara_rule behavioral1/memory/3044-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/3044-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1136-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1136-35-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1136-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1136-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1136-48-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/1136-52-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exedescription ioc process File opened for modification \??\PhysicalDrive0 HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe -
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\259405154.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:
3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exepid process 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe -
Suspicious behavior: LoadsDriver 1 IoCs
Processes:
TXPlatfor.exepid process 1136 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
N.exeTXPlatfor.exedescription pid process Token: SeIncBasePriorityPrivilege 3044 N.exe Token: SeLoadDriverPrivilege 1136 TXPlatfor.exe Token: 33 1136 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1136 TXPlatfor.exe Token: 33 1136 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1136 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exeHD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exepid process 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 2712 HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe 2712 HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exeN.exeTXPlatfor.execmd.exesvchost.exedescription pid process target process PID 2040 wrote to memory of 2056 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe R.exe PID 2040 wrote to memory of 2056 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe R.exe PID 2040 wrote to memory of 2056 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe R.exe PID 2040 wrote to memory of 2056 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe R.exe PID 2040 wrote to memory of 3044 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe N.exe PID 2040 wrote to memory of 3044 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe N.exe PID 2040 wrote to memory of 3044 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe N.exe PID 2040 wrote to memory of 3044 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe N.exe PID 2040 wrote to memory of 3044 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe N.exe PID 2040 wrote to memory of 3044 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe N.exe PID 2040 wrote to memory of 3044 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe N.exe PID 3044 wrote to memory of 2528 3044 N.exe cmd.exe PID 3044 wrote to memory of 2528 3044 N.exe cmd.exe PID 3044 wrote to memory of 2528 3044 N.exe cmd.exe PID 3044 wrote to memory of 2528 3044 N.exe cmd.exe PID 2748 wrote to memory of 1136 2748 TXPlatfor.exe TXPlatfor.exe PID 2748 wrote to memory of 1136 2748 TXPlatfor.exe TXPlatfor.exe PID 2748 wrote to memory of 1136 2748 TXPlatfor.exe TXPlatfor.exe PID 2748 wrote to memory of 1136 2748 TXPlatfor.exe TXPlatfor.exe PID 2748 wrote to memory of 1136 2748 TXPlatfor.exe TXPlatfor.exe PID 2748 wrote to memory of 1136 2748 TXPlatfor.exe TXPlatfor.exe PID 2748 wrote to memory of 1136 2748 TXPlatfor.exe TXPlatfor.exe PID 2040 wrote to memory of 2712 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe PID 2040 wrote to memory of 2712 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe PID 2040 wrote to memory of 2712 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe PID 2040 wrote to memory of 2712 2040 3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe PID 2528 wrote to memory of 2964 2528 cmd.exe PING.EXE PID 2528 wrote to memory of 2964 2528 cmd.exe PING.EXE PID 2528 wrote to memory of 2964 2528 cmd.exe PING.EXE PID 2528 wrote to memory of 2964 2528 cmd.exe PING.EXE PID 1208 wrote to memory of 820 1208 svchost.exe Remote Data.exe PID 1208 wrote to memory of 820 1208 svchost.exe Remote Data.exe PID 1208 wrote to memory of 820 1208 svchost.exe Remote Data.exe PID 1208 wrote to memory of 820 1208 svchost.exe Remote Data.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe"C:\Users\Admin\AppData\Local\Temp\3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.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_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exeC:\Users\Admin\AppData\Local\Temp\HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exe2⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
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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\259405154.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
MD5ffb41c5c307168bcc8552c5ea898b1a0
SHA16a3d27a1943bbfa789d2c4714f78ea91a16dc21c
SHA256b42cb783c6fe4ad740150cfbfdfc61132e0e3e0d88a5c7168b164977a3614195
SHA51281d0594c67fdc4375e81bbd449b179724d75cca3d6f223776219f60a5c0590893054d1de222f7b1e358ddeb8172685951fe3713074839c6ad3d703fee18bdefa
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\Users\Admin\AppData\Local\Temp\HD_3bcc9a8691a8eaff629d18bc85de5e53a466f0c4c82687d80039c94287afbc12.exeFilesize
7.2MB
MD58e05991b299f3f63fac7590b6a45e747
SHA15f9bd93ea4f0bc4250021e1ed62cd8a7eec172cc
SHA2568b97032d4e564be79aa549c3f0fbcd5339baf912de9cd1d91d802e891e0254a9
SHA512d2d7c031223c29534c7ac63874c1ead3cc886a52726fc52ce7bb46360ac8ec86cdfae66eb6a1d1fc8d2a7dd743289e107e4aafc5979978091a66f928f9f9c99a
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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\259405154.txtFilesize
899KB
MD51842ba8d60e875be9502cf7c64255669
SHA155705e49c3f5d4b8d3c0df6bf0bc5ffabb832b98
SHA25672c7c27b6898bb14d6987089fbd6cf3b99e55cd967bbdf37d766695530c49b54
SHA512297d689e920fdc965b2db88146d36c2cc9880fc0df975a0f2f6e1f346112433435c51372885b5c5bbdc8823f4958026e6c48387adcbb34cf7490a1cfddb97475
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\Windows\SysWOW64\Remote Data.exeFilesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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memory/1136-37-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1136-38-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1136-35-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1136-46-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1136-48-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1136-52-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3044-20-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3044-21-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3044-18-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB