Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system -
submitted
06-12-2024 17:19
Static task
static1
Behavioral task
behavioral1
Sample
15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe
Resource
win7-20241023-en
General
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Target
15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe
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Size
2.5MB
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MD5
4f89e6153dfa8ede16b2ec41f09c3238
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SHA1
b946736d01a7997bbaf0ba9b322a833120f0567f
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SHA256
15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9
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SHA512
61df8b1e1e9d6537d5a926fe7c7ad627e837e5f409cbf0f33ed2b86010a761d76766b1962d69f85b27237fc8be1484a8983718dca9a8d3b0fd12c78dda6f3385
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SSDEEP
24576:HCwsbKgbQ5NANIvGTYwMHXA+wT1kfTw4SIuvB74fgt7ibhRM5QhKehFdMtRj7nHV:HCwsbCANnKXferL7Vwe/Gg0P+Whl6oq
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2864-20-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2864-21-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2772-40-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2772-39-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2772-41-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2772-44-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit behavioral1/memory/2772-46-0x0000000010000000-0x00000000101B6000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 8 IoCs
resource yara_rule behavioral1/files/0x0008000000016c80-6.dat family_gh0strat behavioral1/memory/2864-20-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2864-21-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2772-40-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2772-39-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2772-41-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2772-44-0x0000000010000000-0x00000000101B6000-memory.dmp family_gh0strat behavioral1/memory/2772-46-0x0000000010000000-0x00000000101B6000-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\\259421379.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 308 R.exe 2864 N.exe 2912 TXPlatfor.exe 2772 TXPlatfor.exe 1840 Remote Data.exe -
Loads dropped DLL 7 IoCs
pid Process 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 308 R.exe 2540 svchost.exe 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 2912 TXPlatfor.exe 2540 svchost.exe 1840 Remote Data.exe -
Drops file in System32 directory 6 IoCs
description ioc Process 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\259421379.txt R.exe File opened for modification C:\Windows\SysWOW64\ini.ini R.exe -
resource yara_rule behavioral1/memory/2864-20-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2864-21-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2864-18-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2772-40-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2772-39-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2772-37-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2772-41-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2772-44-0x0000000010000000-0x00000000101B6000-memory.dmp upx behavioral1/memory/2772-46-0x0000000010000000-0x00000000101B6000-memory.dmp upx -
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 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.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 2664 cmd.exe 2532 PING.EXE -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2532 PING.EXE -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2772 TXPlatfor.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2864 N.exe Token: SeLoadDriverPrivilege 2772 TXPlatfor.exe Token: 33 2772 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2772 TXPlatfor.exe Token: 33 2772 TXPlatfor.exe Token: SeIncBasePriorityPrivilege 2772 TXPlatfor.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe -
Suspicious use of WriteProcessMemory 30 IoCs
description pid Process procid_target PID 1800 wrote to memory of 308 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 30 PID 1800 wrote to memory of 308 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 30 PID 1800 wrote to memory of 308 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 30 PID 1800 wrote to memory of 308 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 30 PID 1800 wrote to memory of 2864 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 33 PID 1800 wrote to memory of 2864 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 33 PID 1800 wrote to memory of 2864 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 33 PID 1800 wrote to memory of 2864 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 33 PID 1800 wrote to memory of 2864 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 33 PID 1800 wrote to memory of 2864 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 33 PID 1800 wrote to memory of 2864 1800 15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe 33 PID 2864 wrote to memory of 2664 2864 N.exe 35 PID 2864 wrote to memory of 2664 2864 N.exe 35 PID 2864 wrote to memory of 2664 2864 N.exe 35 PID 2864 wrote to memory of 2664 2864 N.exe 35 PID 2912 wrote to memory of 2772 2912 TXPlatfor.exe 36 PID 2912 wrote to memory of 2772 2912 TXPlatfor.exe 36 PID 2912 wrote to memory of 2772 2912 TXPlatfor.exe 36 PID 2912 wrote to memory of 2772 2912 TXPlatfor.exe 36 PID 2912 wrote to memory of 2772 2912 TXPlatfor.exe 36 PID 2912 wrote to memory of 2772 2912 TXPlatfor.exe 36 PID 2912 wrote to memory of 2772 2912 TXPlatfor.exe 36 PID 2664 wrote to memory of 2532 2664 cmd.exe 38 PID 2664 wrote to memory of 2532 2664 cmd.exe 38 PID 2664 wrote to memory of 2532 2664 cmd.exe 38 PID 2664 wrote to memory of 2532 2664 cmd.exe 38 PID 2540 wrote to memory of 1840 2540 svchost.exe 39 PID 2540 wrote to memory of 1840 2540 svchost.exe 39 PID 2540 wrote to memory of 1840 2540 svchost.exe 39 PID 2540 wrote to memory of 1840 2540 svchost.exe 39
Processes
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C:\Users\Admin\AppData\Local\Temp\15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe"C:\Users\Admin\AppData\Local\Temp\15a883517305f16b2147319f37dc864232ef2a84d581ec9f9964a334bb5496e9.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1800 -
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:308
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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:2864 -
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:2664 -
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:2532
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C:\Windows\SysWOW64\svchost.exeC:\Windows\SysWOW64\svchost.exe -k "Remote Data"1⤵PID:2188
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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:2540 -
C:\Windows\SysWOW64\Remote Data.exe"C:\Windows\system32\Remote Data.exe" "c:\windows\system32\259421379.txt",MainThread2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1840
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C:\Windows\SysWOW64\TXPlatfor.exeC:\Windows\SysWOW64\TXPlatfor.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2912 -
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:2772
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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
2.4MB
MD57fa10ecef285e4775c68d38621381062
SHA1edc85a549ed295835af25d32cffa1c37e302deba
SHA2563af8406a80c318cc6383a8e0da7c76a55bcbc0413781dc5483b90137c4f2f40b
SHA51231e27995e378dc3dae2e36ccb4c77462506f7e0518a9a94867abace285f9af336fda0fc4adce43632751c3fe36f410fc43ad6e03c9fddb5caed82081095c66af
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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
MD50f77e5649041960daadc25b6790c7caf
SHA1020777a5df15ae25878d26d0fd400b19605f4c60
SHA256faa54754b353020c489015b365bad7670ff92cb75a811c5ffd19eb767b8fee0c
SHA5121a04351bc43d6203e335eacaa4806fb2b85d68ef47b86a1858bd1dfdb03ab194e2987e788024637136b5704357a1009c54a14faa9c00e8d7145eb1b33945caa5
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d