Analysis
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max time kernel
121s -
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
13-01-2025 01:36
Static task
static1
Behavioral task
behavioral1
Sample
29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe
Resource
win7-20241010-en
windows7-x64
21 signatures
150 seconds
General
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Target
29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe
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Size
1.9MB
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MD5
05258c560c2cba1b8b59b3db4e612da6
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SHA1
34f9bff2a5b66e311017f00e09c954cfbbd66f8a
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SHA256
29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce
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SHA512
759f59b381641fa8ca95a35dea8bfe85872cfe576892bc03ebc6c50dda43db734876f320dd6d85a6d57fa23c060920c655d09488712be9e7376433d634600259
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SSDEEP
24576:hM8wcsjBocoT3cgEeqroaV3NSPDo7gKVbZETckLZzzb78QREND:ySbfMhywSZ7LE
Malware Config
Signatures
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resource yara_rule behavioral2/memory/1492-0-0x0000000010000000-0x000000001019E000-memory.dmp purplefox_rootkit behavioral2/memory/4932-15-0x0000000010000000-0x000000001019E000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/1492-0-0x0000000010000000-0x000000001019E000-memory.dmp family_gh0strat behavioral2/memory/4932-15-0x0000000010000000-0x000000001019E000-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 Phxph.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" Phxph.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe -
Executes dropped EXE 1 IoCs
pid Process 4932 Phxph.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) \??\E: Phxph.exe File opened (read-only) \??\N: Phxph.exe File opened (read-only) \??\O: Phxph.exe File opened (read-only) \??\V: Phxph.exe File opened (read-only) \??\X: Phxph.exe File opened (read-only) \??\W: Phxph.exe File opened (read-only) \??\Z: Phxph.exe File opened (read-only) \??\B: Phxph.exe File opened (read-only) \??\H: Phxph.exe File opened (read-only) \??\I: Phxph.exe File opened (read-only) \??\M: Phxph.exe File opened (read-only) \??\U: Phxph.exe File opened (read-only) \??\Y: Phxph.exe File opened (read-only) \??\G: Phxph.exe File opened (read-only) \??\J: Phxph.exe File opened (read-only) \??\L: Phxph.exe File opened (read-only) \??\Q: Phxph.exe File opened (read-only) \??\T: Phxph.exe File opened (read-only) \??\K: Phxph.exe File opened (read-only) \??\P: Phxph.exe File opened (read-only) \??\R: Phxph.exe File opened (read-only) \??\S: Phxph.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 4 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 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Phxph.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 4936 cmd.exe 2828 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 Phxph.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz Phxph.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2828 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe 4932 Phxph.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 4932 Phxph.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 1492 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe Token: SeLoadDriverPrivilege 4932 Phxph.exe Token: 33 4932 Phxph.exe Token: SeIncBasePriorityPrivilege 4932 Phxph.exe Token: 33 4932 Phxph.exe Token: SeIncBasePriorityPrivilege 4932 Phxph.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1492 wrote to memory of 4932 1492 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe 82 PID 1492 wrote to memory of 4932 1492 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe 82 PID 1492 wrote to memory of 4932 1492 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe 82 PID 1492 wrote to memory of 4936 1492 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe 83 PID 1492 wrote to memory of 4936 1492 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe 83 PID 1492 wrote to memory of 4936 1492 29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe 83 PID 4936 wrote to memory of 2828 4936 cmd.exe 85 PID 4936 wrote to memory of 2828 4936 cmd.exe 85 PID 4936 wrote to memory of 2828 4936 cmd.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe"C:\Users\Admin\AppData\Local\Temp\29be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe"C:\ProgramData\Microsoft\Windows\Start Menu\Programs\Startup\Phxph.exe"2⤵
- Drops file in Drivers directory
- Sets service image path in registry
- Executes dropped EXE
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:4932
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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\29BE55~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:4936 -
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:2828
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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
1.9MB
MD505258c560c2cba1b8b59b3db4e612da6
SHA134f9bff2a5b66e311017f00e09c954cfbbd66f8a
SHA25629be5508137a704cc968c3a0ad4afcc938a1dd4b1e6838ce091b76e4da7ee3ce
SHA512759f59b381641fa8ca95a35dea8bfe85872cfe576892bc03ebc6c50dda43db734876f320dd6d85a6d57fa23c060920c655d09488712be9e7376433d634600259