Analysis
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max time kernel
149s -
max time network
151s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
30-12-2024 15:51
Static task
static1
Behavioral task
behavioral1
Sample
ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe
Resource
win7-20241010-en
General
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Target
ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe
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Size
1.3MB
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MD5
0a8c0118b5b53bea2e3540f3370ce045
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SHA1
991bb8dea5b202fda26e58bc933537c1ceea0820
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SHA256
ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74
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SHA512
eea11a9bdae4d77b91235d683e2cbc1def69c5392f7a369f6606b2c2758b3de86f16178b135e9f4e1db32e1a93cdaf1aaacdb0df5c29c9540664e93fb01f66f3
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SSDEEP
24576:dOyHutimZ9VSly2hVvHW6qMnSbTBBhBMNq:QHPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral1/memory/2528-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral1/memory/2796-18-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral1/memory/2528-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral1/memory/2796-18-0x0000000010000000-0x000000001019F000-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 QQ.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" QQ.exe -
Deletes itself 1 IoCs
pid Process 1664 cmd.exe -
Executes dropped EXE 2 IoCs
pid Process 2488 QQ.exe 2796 QQ.exe -
Loads dropped DLL 1 IoCs
pid Process 2488 QQ.exe -
Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\T: QQ.exe File opened (read-only) \??\U: QQ.exe File opened (read-only) \??\V: QQ.exe File opened (read-only) \??\X: QQ.exe File opened (read-only) \??\B: QQ.exe File opened (read-only) \??\L: QQ.exe File opened (read-only) \??\N: QQ.exe File opened (read-only) \??\Q: QQ.exe File opened (read-only) \??\Z: QQ.exe File opened (read-only) \??\S: QQ.exe File opened (read-only) \??\K: QQ.exe File opened (read-only) \??\O: QQ.exe File opened (read-only) \??\R: QQ.exe File opened (read-only) \??\J: QQ.exe File opened (read-only) \??\M: QQ.exe File opened (read-only) \??\P: QQ.exe File opened (read-only) \??\W: QQ.exe File opened (read-only) \??\E: QQ.exe File opened (read-only) \??\G: QQ.exe File opened (read-only) \??\H: QQ.exe File opened (read-only) \??\I: QQ.exe File opened (read-only) \??\Y: QQ.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\0DA515F703BB9B49479E8697ADB0B955_786387CC77858B88BA3234B304062475 QQ.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\0DA515F703BB9B49479E8697ADB0B955_786387CC77858B88BA3234B304062475 QQ.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CF14D1855652602540DFCFECD21854DB_47530B00274A9A7AF822523F21AAA8A1 QQ.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CF14D1855652602540DFCFECD21854DB_47530B00274A9A7AF822523F21AAA8A1 QQ.exe File created C:\Windows\SysWOW64\QQ.exe ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe File opened for modification C:\Windows\SysWOW64\QQ.exe ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 QQ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language QQ.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1664 cmd.exe 740 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 QQ.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz QQ.exe -
Modifies data under HKEY_USERS 64 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\My QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\Certificates QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\Certificates QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\16-87-80-cf-08-b5 QQ.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-87-80-cf-08-b5\WpadDecisionTime = 4058c2bdd25adb01 QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CRLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CRLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CTLs QQ.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Classes\Local Settings\MuiCache\2D\52C64B7E\LanguageList = 65006e002d0055005300000065006e0000000000 QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\trust\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\Certificates QQ.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\WpadDecisionReason = "1" QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-87-80-cf-08-b5 QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\Certificates QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CRLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E} QQ.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\SmartCardRoot\Certificates QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\trust\CRLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\CA\CRLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\Certificates QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CRLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\Disallowed\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs QQ.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Disallowed\Certificates QQ.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 QQ.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft QQ.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 QQ.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f017a000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 QQ.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\WpadDecision = "0" QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\CTLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections QQ.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{2E48667E-6029-4119-9B74-DB0922C1D33E}\WpadDecisionTime = 4058c2bdd25adb01 QQ.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\16-87-80-cf-08-b5\WpadDecision = "0" QQ.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Policies\Microsoft\SystemCertificates\CA\CRLs QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\Root\Certificates QQ.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\ActiveMovie\devenum\Version = "7" QQ.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" QQ.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\SystemCertificates\TrustedPeople\Certificates QQ.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 740 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe 2796 QQ.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 2796 QQ.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 2528 ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe Token: SeLoadDriverPrivilege 2796 QQ.exe Token: 33 2796 QQ.exe Token: SeIncBasePriorityPrivilege 2796 QQ.exe Token: 33 2796 QQ.exe Token: SeIncBasePriorityPrivilege 2796 QQ.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2488 wrote to memory of 2796 2488 QQ.exe 33 PID 2488 wrote to memory of 2796 2488 QQ.exe 33 PID 2488 wrote to memory of 2796 2488 QQ.exe 33 PID 2488 wrote to memory of 2796 2488 QQ.exe 33 PID 2528 wrote to memory of 1664 2528 ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe 32 PID 2528 wrote to memory of 1664 2528 ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe 32 PID 2528 wrote to memory of 1664 2528 ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe 32 PID 2528 wrote to memory of 1664 2528 ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe 32 PID 1664 wrote to memory of 740 1664 cmd.exe 35 PID 1664 wrote to memory of 740 1664 cmd.exe 35 PID 1664 wrote to memory of 740 1664 cmd.exe 35 PID 1664 wrote to memory of 740 1664 cmd.exe 35
Processes
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C:\Users\Admin\AppData\Local\Temp\ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe"C:\Users\Admin\AppData\Local\Temp\ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2528 -
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\FF23CF~1.EXE > nul2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1664 -
C:\Windows\SysWOW64\PING.EXEping -n 2 127.0.0.13⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:740
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C:\Windows\SysWOW64\QQ.exeC:\Windows\SysWOW64\QQ.exe -auto1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Windows\SysWOW64\QQ.exeC:\Windows\SysWOW64\QQ.exe -acsi2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Enumerates connected drives
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:2796
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
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Downloads
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Filesize
262B
MD572fa0fca20c82853e6dbbc1f13c78100
SHA14e9b01e3ad0b56c9409bb02e5700430792fecacd
SHA2564555de589ff9b307e20c708d6f112bc47bb377df29ff0a5914f8fb0932926887
SHA5129c233b279c9e3f934752310443d31409f7236ea6d45fcf130b408558a5f6c35a9ea63684a3f9e5a01321c558cc278bc55dfaf01850cd1e56546b9f0fec3e96e9
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Filesize
1.3MB
MD50a8c0118b5b53bea2e3540f3370ce045
SHA1991bb8dea5b202fda26e58bc933537c1ceea0820
SHA256ff23cf62a05272e10ca04c02c73471cb0b4c4fc20d3e47bd30a22b3116f6ab74
SHA512eea11a9bdae4d77b91235d683e2cbc1def69c5392f7a369f6606b2c2758b3de86f16178b135e9f4e1db32e1a93cdaf1aaacdb0df5c29c9540664e93fb01f66f3