Analysis
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max time kernel
150s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
06-12-2024 22:13
Static task
static1
Behavioral task
behavioral1
Sample
c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe
Resource
win7-20240903-en
General
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Target
c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe
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Size
2.7MB
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MD5
b0965bce360fc792cc2c41fdc48a2891
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SHA1
08bf7783b4db0c10673d48d2548f201e5ea17fd7
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SHA256
c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2
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SHA512
5a1dcbd7bdda67e8bc5f9318def2d8ea559e57cd93b296a419868d035c5d4e5065bd3b6b988b568429f674787acb3db30a7e6bc3371f994ce6044f6c9ca82b58
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SSDEEP
24576:1CwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHY:1CwsbCANnKXferL7Vwe/Gg0P+WhDr
Malware Config
Signatures
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resource yara_rule behavioral2/memory/864-19-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/864-23-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/864-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4896-29-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/4896-28-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3092-38-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3092-42-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral2/memory/3092-54-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 9 IoCs
resource yara_rule behavioral2/files/0x0007000000023c88-5.dat family_gh0strat behavioral2/memory/864-19-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/864-23-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/864-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4896-29-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/4896-28-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3092-38-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3092-42-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral2/memory/3092-54-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat -
Gh0strat family
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Purplefox family
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Drops file in Drivers directory 1 IoCs
description ioc Process File created C:\Windows\system32\drivers\QAssist.sys TXPlatfor.exe -
Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Remote Data\Parameters\ServiceDll = "C:\\Windows\\system32\\240636218.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 -
Executes dropped EXE 5 IoCs
pid Process 4756 R.exe 864 N.exe 4896 TXPlatfor.exe 3092 TXPlatfor.exe 2480 Remote Data.exe -
Loads dropped DLL 3 IoCs
pid Process 4756 R.exe 2040 svchost.exe 2480 Remote Data.exe -
Drops file in System32 directory 6 IoCs
description ioc Process 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 File created C:\Windows\SysWOW64\240636218.txt R.exe -
resource yara_rule behavioral2/memory/864-17-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/864-19-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/864-23-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/864-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4896-29-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4896-28-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/4896-26-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3092-38-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3092-42-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral2/memory/3092-54-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Remote Data.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language R.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language N.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language TXPlatfor.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2508 cmd.exe 1696 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1696 PING.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 3092 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 864 N.exe Token: SeLoadDriverPrivilege 3092 TXPlatfor.exe Token: 33 3092 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 3092 TXPlatfor.exe Token: 33 3092 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 3092 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3012 wrote to memory of 4756 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe 82 PID 3012 wrote to memory of 4756 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe 82 PID 3012 wrote to memory of 4756 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe 82 PID 3012 wrote to memory of 864 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe 85 PID 3012 wrote to memory of 864 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe 85 PID 3012 wrote to memory of 864 3012 c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe 85 PID 864 wrote to memory of 2508 864 N.exe 87 PID 864 wrote to memory of 2508 864 N.exe 87 PID 864 wrote to memory of 2508 864 N.exe 87 PID 4896 wrote to memory of 3092 4896 TXPlatfor.exe 88 PID 4896 wrote to memory of 3092 4896 TXPlatfor.exe 88 PID 4896 wrote to memory of 3092 4896 TXPlatfor.exe 88 PID 2508 wrote to memory of 1696 2508 cmd.exe 90 PID 2508 wrote to memory of 1696 2508 cmd.exe 90 PID 2508 wrote to memory of 1696 2508 cmd.exe 90 PID 2040 wrote to memory of 2480 2040 svchost.exe 92 PID 2040 wrote to memory of 2480 2040 svchost.exe 92 PID 2040 wrote to memory of 2480 2040 svchost.exe 92
Processes
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C:\Users\Admin\AppData\Local\Temp\c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe"C:\Users\Admin\AppData\Local\Temp\c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3012 -
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
- System Location Discovery: System Language Discovery
PID:4756
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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
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:864 -
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⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2508 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.14⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1696
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:832
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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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\240636218.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:2480
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4896 -
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:3092
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Server Software Component
1Terminal Services DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
2.7MB
MD5b0965bce360fc792cc2c41fdc48a2891
SHA108bf7783b4db0c10673d48d2548f201e5ea17fd7
SHA256c1f917576cb8d823499d1a0fb33827a7121ef21ca1765970dd5ecf7bc2c016e2
SHA5125a1dcbd7bdda67e8bc5f9318def2d8ea559e57cd93b296a419868d035c5d4e5065bd3b6b988b568429f674787acb3db30a7e6bc3371f994ce6044f6c9ca82b58
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Filesize
377KB
MD54a36a48e58829c22381572b2040b6fe0
SHA1f09d30e44ff7e3f20a5de307720f3ad148c6143b
SHA2563de6c02f52a661b8f934f59541d0cf297bb489eb2155e346b63c7338e09aeaf8
SHA5125d0ea398792f6b9eb3f188813c50b7f43929183b5733d2b595b2fd1c78722764fd15f62db1086b5c7edfb157661a6dcd544ddd80907ee7699dddbca1ef4022d0
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Filesize
941KB
MD58dc3adf1c490211971c1e2325f1424d2
SHA14eec4a4e7cb97c5efa6c72e0731cd090c0c4adc5
SHA256bc29f2022ab3b812e50c8681ff196f090c038b5ab51e37daffac4469a8c2eb2c
SHA512ae92ea20b359849dcdba4808119b154e3af5ef3687ee09de1797610fe8c4d3eb9065b068074d35adddb4b225d17c619baff3944cb137ad196bcef7a6507f920d
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Filesize
899KB
MD52ddb1aa3a0941c3307006aa6891e698c
SHA1f61475a6c86d988507a37eb4074a9030e64f2e4a
SHA256f3a9a06acb38a2a3003f29bc7cd1bd700c743817598129de84f8379d5718ac41
SHA512823a055b012b82c138ba084189c6ee8a8f0948a0d6d57b0f23ca1cbaaf3b9a248fbb795e2f2745e8f39a02c618d782ce05df6e4fd165a751601a784d13e8d92b
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641