Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system - submitted
11/06/2024, 03:32
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe
Resource
win7-20240508-en
23 signatures
150 seconds
General
- Target 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe
- Size 9.4MB
- Sample240611-d31vgssfjc
- SHA256 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2
- MD5 13148c3cc728dd6c29fa3ae1fe9655dd
- SHA1 9b3e760937e7ece63f9ffaaec2d7e1d62aaf3135
- SHA512 7bf74df01e1fd1309022ea1d8107852eedded123dea93587cd9dd6d1d260132af85b9e32c93ced7433c6f4caf6eece97036395917c9769826091ddb240f19a97
- SSDEEP 196608:LKXbeO7HnlEYqYkoBstQVmrku2tZGg/Fwm42jxUgGW57z6RZzd6iDJE6:A7HnlDq/thEGgth4Fgn7zq6iDJf
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4112-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4112-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4112-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2764-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2764-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4792-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/2516-42-0x0000000000DF0000-0x0000000001F42000-memory.dmp purplefox_rootkit behavioral2/memory/4792-44-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4792-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit - Gh0st RAT payload 10 IoCs
resource yara_rule behavioral2/files/0x0008000000023416-5.dat family_gh0strat behavioral2/memory/4112-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4112-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4112-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2764-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2764-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4792-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/2516-42-0x0000000000DF0000-0x0000000001F42000-memory.dmp family_gh0strat behavioral2/memory/4792-44-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4792-46-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat - Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe - Sets DLL path for service in the registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240606953.txt" R.exe - Sets service image path in registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\QAssist\ImagePath = "system32\\DRIVERS\\QAssist.sys" TXPlatfor.exe - Checks BIOS information in registry 2 TTPs 3 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - Executes dropped EXE 6 IoCs
pid Process 212 R.exe 4112 N.exe 2764 TXPlatfor.exe 4792 TXPlatfor.exe 2516 HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 5060 Remote Data.exe - Loads dropped DLL 3 IoCs
pid Process 212 R.exe 4076 svchost.exe 5060 Remote Data.exe -
resource yara_rule behavioral2/memory/4112-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4112-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4112-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4112-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2764-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2764-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/2764-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4792-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4792-44-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4792-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - 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.
description ioc Process File opened for modification \??\PhysicalDrive0 HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\TXPlatfor.exe N.exe File created C:\Windows\SysWOW64\240606953.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 - Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 2516 HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 4372 2516 WerFault.exe 90 - Runs ping.exe 1 TTPs 1 IoCs
pid Process 4976 PING.EXE - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 2516 HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 2516 HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4792 TXPlatfor.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4112 N.exe Token: SeLoadDriverPrivilege 4792 TXPlatfor.exe Token: 33 4792 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 4792 TXPlatfor.exe Token: 33 4792 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 4792 TXPlatfor.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe - Suspicious use of WriteProcessMemory 21 IoCs
description pid Process procid_target PID 2968 wrote to memory of 212 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 81 PID 2968 wrote to memory of 212 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 81 PID 2968 wrote to memory of 212 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 81 PID 2968 wrote to memory of 4112 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 84 PID 2968 wrote to memory of 4112 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 84 PID 2968 wrote to memory of 4112 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 84 PID 4112 wrote to memory of 4884 4112 N.exe 88 PID 4112 wrote to memory of 4884 4112 N.exe 88 PID 4112 wrote to memory of 4884 4112 N.exe 88 PID 2764 wrote to memory of 4792 2764 TXPlatfor.exe 89 PID 2764 wrote to memory of 4792 2764 TXPlatfor.exe 89 PID 2764 wrote to memory of 4792 2764 TXPlatfor.exe 89 PID 2968 wrote to memory of 2516 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 90 PID 2968 wrote to memory of 2516 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 90 PID 2968 wrote to memory of 2516 2968 9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe 90 PID 4884 wrote to memory of 4976 4884 cmd.exe 92 PID 4884 wrote to memory of 4976 4884 cmd.exe 92 PID 4884 wrote to memory of 4976 4884 cmd.exe 92 PID 4076 wrote to memory of 5060 4076 svchost.exe 97 PID 4076 wrote to memory of 5060 4076 svchost.exe 97 PID 4076 wrote to memory of 5060 4076 svchost.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe"C:\Users\Admin\AppData\Local\Temp\9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe"1⤵
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2968 -
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
PID:212
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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
PID:4112 -
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
PID:4884 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- Runs ping.exe
PID:4976
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C:\Users\Admin\AppData\Local\Temp\HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exeC:\Users\Admin\AppData\Local\Temp\HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe2⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Writes to the Master Boot Record (MBR)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2516 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2516 -s 11523⤵
- Program crash
PID:4372
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:4040
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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
PID:4076 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240606953.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:5060
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2764 -
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
PID:4792
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2516 -ip 25161⤵PID:780
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
Modify Registry
2Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
1Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\HD_9ca4662893c99195906d4aa57b4a0266539b5c9c0825f6a6b4ddf8cd327ce6f2.exe
- Size 6.7MB
- SHA256 1512cbcea3882d8c92b5a36f1914481e81a9968e8de3d3b8f19c89f2889e0bae
- MD5 dd46919234da62c5a1055b86e09384d5
- SHA1 3f16b8ed3f29f56a24d1af6a46fe83c69a50bc9b
- SHA512 bde17ba614e7e8470d1fabc6125b4e0a3f61861def17cdb873d00aaea8e771a30e715d17c68650ec943699b98a424cdad3043276834d828a9055bf67c4f55282
- SSDEEP 196608:ZqYkoBstQVmrku2tZGg/Fwm42jxUgGW57z6RZzd6iDJE6:Zq/thEGgth4Fgn7zq6iDJf
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\HD_X.dat
- Size 2.7MB
- SHA256 080ece2d8e055cfa011385116e657f41a97233597cb899e8e2d7a3654802ab3d
- MD5 ba3643c9ea5fdc4b0098a43a549a9fe7
- SHA1 4c0a6bb00775d750618ee72a8a1315decb36c680
- SHA512 2d656da666d99a435fb467523169afdd7640f7401e9cf24e3c277817d74163884986ed6081a47cadabf5ab49dd6876b6717a2981b3589e952a864daad6a141a6
- SSDEEP 49152:+CwsbCANnKXferL7Vwe/Gg0P+Wh5jzlEb:5ws2ANnKXOaeOgmh5nlEb
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\N.exe
- Size 377KB
- SHA256 3de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
- MD5 4a36a48e58829c22381572b2040b6fe0
- SHA1 f09d30e44ff7e3f20a5de307720f3ad148c6143b
- SHA512 5d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
- SSDEEP 6144:5UGp2l6zRmeVLNHfkQ2TAygOcqAJwQZgb4YtjH6/MuQafORzEOmFfMzi71o+YHL7:HclcceBKlKwAg0Mja/UafOVwbha
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\R.exe
- Size 941KB
- SHA256 bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
- MD5 8dc3adf1c490211971c1e2325f1424d2
- SHA1 4eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
- SHA512 ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
- SSDEEP 24576:N+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nH1PXw:cerL7Vw
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\240606953.txt
- Size 899KB
- SHA256 510a61b2f1158403716879a557c399321c82db9824c48ecf0632319572dc70d2
- MD5 28914a8766a6d46001a5db80e1b750bb
- SHA1 a94d0b30a53bbcfbea1936a0ed933d81c34e56ce
- SHA512 c18ded77ca5ae9caaeef4a0e0613d6f7560ac4e689191082a927f49089a2f997a54734579b85fdfc0359d12cd827ee67151397024d79fb760cd268c412171f76
- SSDEEP 24576:7V2bG+2gMir4fgt7ibhRM5QhKehFdMtRj7nH1PXq:7wqd87Vq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Windows\SysWOW64\Remote Data.exe
- Size 60KB
- SHA256 6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
- MD5 889b99c52a60dd49227c5e485a016679
- SHA1 8fa889e456aa646a4d0a4349977430ce5fa5e2d7
- SHA512 08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
- SSDEEP 1536:H9ykYCTdiHQKrFXmw2RQln5IUmDjoX6+:HlMHprF2nRQln5I
- MD5 SHA1 SHA512 SSDEEP