Analysis
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max time kernel
151s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
21-06-2024 16:43
Static task
static1
Behavioral task
behavioral1
Sample
8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe
Resource
win7-20240611-en
General
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Target
8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe
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Size
2.4MB
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MD5
fe3eb47a978d83da8141331f7c408779
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SHA1
6f515639ca2e9fb11eaa8d586f8205fbaff51b57
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SHA256
8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861
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SHA512
e65dfd4b057a829e910d212be405384e2c4144d85f1fb82e0292cd72c3c915954d2eb8be30939e015880d614a2f0f6162a427db63dadbdbf8af43d4c38da48c6
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SSDEEP
24576:9CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHR:9CwsbCANnKXferL7Vwe/Gg0P+WhV0
Malware Config
Signatures
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Processes:
resource yara_rule behavioral2/memory/4576-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4576-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4576-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3668-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3668-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3960-36-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3960-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3960-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
Processes:
resource yara_rule C:\Windows\SysWOW64\240649015.txt family_gh0strat behavioral2/memory/4576-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4576-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4576-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3668-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3668-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3960-36-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3960-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3960-46-0x0000000010000000-0x00000000101B6000-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\\240649015.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 4624 R.exe 4576 N.exe 3668 TXPlatfor.exe 3960 TXPlatfor.exe 3500 Remote Data.exe -
Loads dropped DLL 3 IoCs
Processes:
R.exesvchost.exeRemote Data.exepid process 4624 R.exe 4080 svchost.exe 3500 Remote Data.exe -
Processes:
resource yara_rule behavioral2/memory/4576-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4576-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4576-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4576-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3668-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3668-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3668-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3960-36-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3960-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3960-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in System32 directory 6 IoCs
Processes:
R.exesvchost.exeN.exedescription ioc process File created C:\Windows\SysWOW64\240649015.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:
8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exedescription ioc process File created C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.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 3960 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
N.exeTXPlatfor.exedescription pid process Token: SeIncBasePriorityPrivilege 4576 N.exe Token: SeLoadDriverPrivilege 3960 TXPlatfor.exe Token: 33 3960 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 3960 TXPlatfor.exe Token: 33 3960 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 3960 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exepid process 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exeN.exeTXPlatfor.execmd.exesvchost.exedescription pid process target process PID 3152 wrote to memory of 4624 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe R.exe PID 3152 wrote to memory of 4624 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe R.exe PID 3152 wrote to memory of 4624 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe R.exe PID 3152 wrote to memory of 4576 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe N.exe PID 3152 wrote to memory of 4576 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe N.exe PID 3152 wrote to memory of 4576 3152 8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe N.exe PID 4576 wrote to memory of 220 4576 N.exe cmd.exe PID 4576 wrote to memory of 220 4576 N.exe cmd.exe PID 4576 wrote to memory of 220 4576 N.exe cmd.exe PID 3668 wrote to memory of 3960 3668 TXPlatfor.exe TXPlatfor.exe PID 3668 wrote to memory of 3960 3668 TXPlatfor.exe TXPlatfor.exe PID 3668 wrote to memory of 3960 3668 TXPlatfor.exe TXPlatfor.exe PID 220 wrote to memory of 3180 220 cmd.exe PING.EXE PID 220 wrote to memory of 3180 220 cmd.exe PING.EXE PID 220 wrote to memory of 3180 220 cmd.exe PING.EXE PID 4080 wrote to memory of 3500 4080 svchost.exe Remote Data.exe PID 4080 wrote to memory of 3500 4080 svchost.exe Remote Data.exe PID 4080 wrote to memory of 3500 4080 svchost.exe Remote Data.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.exe"C:\Users\Admin\AppData\Local\Temp\8a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861.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\240649015.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
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3180 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:81⤵
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
2.4MB
MD5fe3eb47a978d83da8141331f7c408779
SHA16f515639ca2e9fb11eaa8d586f8205fbaff51b57
SHA2568a6b2bdca79be3dcca28240ce2f0f6b7a7bc5de0ecacc416885babbb45f06861
SHA512e65dfd4b057a829e910d212be405384e2c4144d85f1fb82e0292cd72c3c915954d2eb8be30939e015880d614a2f0f6162a427db63dadbdbf8af43d4c38da48c6
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C:\Users\Admin\AppData\Local\Temp\HD_X.datFilesize
2.4MB
MD5abbe3081c019f49be5634e32d487f647
SHA1e655feeba597e412b09375ebd3eccd8eda48405c
SHA2560165037ec7e19b6f9e33290efaf8d4bef60197251ce9b677ba1065e3c925b20d
SHA5129379e3996d3f80a936c08076ebdbf48f2abe44b6471c7fa81a9bf6ad51d83780b8a6806d338d8621c069e38c8f3093cf9bc5870d78a516596805667c2dd9ed9c
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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:\Users\Admin\AppData\Local\Temp\X.icoFilesize
69KB
MD5e33fb6d686b1a8b171349572c5a33f67
SHA129f24fe536adf799b69b63c83efadc1bce457a54
SHA256020c8e0963f89f4b14538b7d69e83c6fec44a29bbbd52fbb6deb2be5c697f450
SHA512cf1f1d6a9efe53f84e5b4a8246b87c0b96496716605d1b00352d9aae30e664d3d2cbadebf598b4e690a9feef0b5785887a4e643cc5f68938ca744af1d3539e55
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C:\Windows\SysWOW64\240649015.txtFilesize
899KB
MD5cd7e7647b21934f286c65598e495f687
SHA18b12053e9e33d00051cf19f170df96f2561dbde2
SHA256332aa5d38a9aa08df7f555733ce239ec058430e0178569da43727bfd0378aa3e
SHA512d8e4bc4b30328b255674807eca8d1d47affad34af44bba54c79864249cd61a317c87d049acea8e7479893fb2d50b80209f89b66026efe7fdd42afaa124860d12
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C:\Windows\SysWOW64\Remote Data.exeFilesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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memory/3668-26-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3668-29-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3668-28-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3960-46-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3960-38-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/3960-36-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4576-20-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4576-21-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4576-19-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB
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memory/4576-17-0x0000000010000000-0x00000000101B6000-memory.dmpFilesize
1.7MB