Analysis
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max time kernel
150s -
max time network
160s -
platform
windows10-2004_x64 -
resource
win10v2004-20240611-en -
resource tags
arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system -
submitted
01-07-2024 04:27
Static task
static1
Behavioral task
behavioral1
Sample
ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe
Resource
win7-20240220-en
General
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Target
ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe
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Size
2.6MB
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MD5
25ceb82bd4d282e3649b12158e8fe97e
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SHA1
5d56d7d73cf270ab19075c80e757d086d6dfdb48
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SHA256
ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc
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SHA512
c189900bc61c4607958c9709ebe66d423b7ad142b711fd6baff99f4b19a51c52dc5b6102a16931eac3517513516dacbc3b990bc06c78c701ff653f442c1ff7a3
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SSDEEP
24576:KCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHA:KCwsbCANnKXferL7Vwe/Gg0P+Whokv
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4020-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4020-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4020-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4492-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4492-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1916-47-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1916-50-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/1916-52-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
Processes:
resource yara_rule C:\Windows\SysWOW64\240599593.txt family_gh0strat behavioral2/memory/4020-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4020-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4020-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4492-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4492-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1916-47-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1916-50-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/1916-52-0x0000000010000000-0x00000000101B6000-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 -
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\\240599593.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 5 IoCs
Processes:
R.exeN.exeTXPlatfor.exeTXPlatfor.exeRemote Data.exepid process 4344 R.exe 4020 N.exe 4492 TXPlatfor.exe 1916 TXPlatfor.exe 4796 Remote Data.exe -
Loads dropped DLL 3 IoCs
Processes:
R.exesvchost.exeRemote Data.exepid process 4344 R.exe 4016 svchost.exe 4796 Remote Data.exe -
Processes:
resource yara_rule behavioral2/memory/4020-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4020-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4492-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4492-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4492-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1916-47-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1916-50-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/1916-52-0x0000000010000000-0x00000000101B6000-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\240599593.txt R.exe File opened for modification C:\Windows\SysWOW64\ini.ini R.exe File created C:\Windows\SysWOW64\Remote Data.exe svchost.exe -
Drops file in Program Files directory 1 IoCs
Processes:
ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exedescription ioc process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.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: LoadsDriver 1 IoCs
Processes:
TXPlatfor.exepid process 1916 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
N.exeTXPlatfor.exedescription pid process Token: SeIncBasePriorityPrivilege 4020 N.exe Token: SeLoadDriverPrivilege 1916 TXPlatfor.exe Token: 33 1916 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1916 TXPlatfor.exe Token: 33 1916 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 1916 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exepid process 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exeN.exeTXPlatfor.execmd.exesvchost.exedescription pid process target process PID 1784 wrote to memory of 4344 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe R.exe PID 1784 wrote to memory of 4344 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe R.exe PID 1784 wrote to memory of 4344 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe R.exe PID 1784 wrote to memory of 4020 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe N.exe PID 1784 wrote to memory of 4020 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe N.exe PID 1784 wrote to memory of 4020 1784 ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe N.exe PID 4020 wrote to memory of 4828 4020 N.exe cmd.exe PID 4020 wrote to memory of 4828 4020 N.exe cmd.exe PID 4020 wrote to memory of 4828 4020 N.exe cmd.exe PID 4492 wrote to memory of 1916 4492 TXPlatfor.exe TXPlatfor.exe PID 4492 wrote to memory of 1916 4492 TXPlatfor.exe TXPlatfor.exe PID 4492 wrote to memory of 1916 4492 TXPlatfor.exe TXPlatfor.exe PID 4828 wrote to memory of 3756 4828 cmd.exe PING.EXE PID 4828 wrote to memory of 3756 4828 cmd.exe PING.EXE PID 4828 wrote to memory of 3756 4828 cmd.exe PING.EXE PID 4016 wrote to memory of 4796 4016 svchost.exe Remote Data.exe PID 4016 wrote to memory of 4796 4016 svchost.exe Remote Data.exe PID 4016 wrote to memory of 4796 4016 svchost.exe Remote Data.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe"C:\Users\Admin\AppData\Local\Temp\ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc.exe"1⤵
- Drops file in Program Files directory
- 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:\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\240599593.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
MD525ceb82bd4d282e3649b12158e8fe97e
SHA15d56d7d73cf270ab19075c80e757d086d6dfdb48
SHA256ef3d13354adca34c32c772582fcc164eac5fea98027e08d29ad91a7e252ac3fc
SHA512c189900bc61c4607958c9709ebe66d423b7ad142b711fd6baff99f4b19a51c52dc5b6102a16931eac3517513516dacbc3b990bc06c78c701ff653f442c1ff7a3
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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\240599593.txtFilesize
899KB
MD57cdfc6568b02aae9503e2c8a65aaa778
SHA1576ef6edf27f2de386c14a38ecd1a3293cef6f4d
SHA2569f221a835982f64c1ea315522c8f16ec3bca01bf1fb4a159ef188fe23453b6d9
SHA5129a525be4c4dd831e738b9ea83cf59399659570bc2e581d2fce132767bae1edde841fb7ff31560eb8689a69f096220d863d043fa9b27eadfe949dfc9eade1edbb
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C:\Windows\SysWOW64\Remote Data.exeFilesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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memory/1916-47-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1916-52-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/1916-50-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4020-20-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4020-23-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4020-19-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4020-17-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4492-28-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4492-29-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4492-26-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB