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
06-11-2024 21:10
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
Resource
win7-20240729-en
windows7-x64
22 signatures
150 seconds
General
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Target
d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe
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Size
1.4MB
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MD5
1770cf18748c082408c26e24126c269c
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SHA1
ebb03e48a34055833e261a5950d8f94b209930fe
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SHA256
d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54
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SHA512
756dc1f504219544b6e8105833c10e187f39c78d930d09675228bdb05826c888314a7ae4b968b153fbffbe2f1de09cfeba42c6bf547c3db9db0d088ad8e67d6f
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SSDEEP
24576:F39WaOyHutimZ9VSly2hVvHW6qMnSbTBBhBMN:598HPkVOBTK
Malware Config
Signatures
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resource yara_rule behavioral2/memory/4580-0-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit behavioral2/memory/3264-10-0x0000000010000000-0x000000001019F000-memory.dmp purplefox_rootkit -
Gh0st RAT payload 2 IoCs
resource yara_rule behavioral2/memory/4580-0-0x0000000010000000-0x000000001019F000-memory.dmp family_gh0strat behavioral2/memory/3264-10-0x0000000010000000-0x000000001019F000-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 sainbox.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" sainbox.exe -
Executes dropped EXE 2 IoCs
pid Process 3264 sainbox.exe 1744 sainbox.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) \??\I: sainbox.exe File opened (read-only) \??\J: sainbox.exe File opened (read-only) \??\K: sainbox.exe File opened (read-only) \??\L: sainbox.exe File opened (read-only) \??\M: sainbox.exe File opened (read-only) \??\N: sainbox.exe File opened (read-only) \??\Q: sainbox.exe File opened (read-only) \??\B: sainbox.exe File opened (read-only) \??\U: sainbox.exe File opened (read-only) \??\V: sainbox.exe File opened (read-only) \??\S: sainbox.exe File opened (read-only) \??\H: sainbox.exe File opened (read-only) \??\P: sainbox.exe File opened (read-only) \??\G: sainbox.exe File opened (read-only) \??\O: sainbox.exe File opened (read-only) \??\T: sainbox.exe File opened (read-only) \??\X: sainbox.exe File opened (read-only) \??\Y: sainbox.exe File opened (read-only) \??\Z: sainbox.exe File opened (read-only) \??\E: sainbox.exe File opened (read-only) \??\W: sainbox.exe File opened (read-only) \??\R: sainbox.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\sainbox.exe d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe File opened for modification C:\Windows\SysWOW64\sainbox.exe d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.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 PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sainbox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sainbox.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2196 cmd.exe 1436 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 sainbox.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz sainbox.exe -
Modifies data under HKEY_USERS 5 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum\Version = "7" sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie\devenum sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft sainbox.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\ActiveMovie sainbox.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 1436 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe 1744 sainbox.exe -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 1744 sainbox.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeIncBasePriorityPrivilege 4580 d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe Token: SeLoadDriverPrivilege 1744 sainbox.exe Token: 33 1744 sainbox.exe Token: SeIncBasePriorityPrivilege 1744 sainbox.exe Token: 33 1744 sainbox.exe Token: SeIncBasePriorityPrivilege 1744 sainbox.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 3264 wrote to memory of 1744 3264 sainbox.exe 87 PID 3264 wrote to memory of 1744 3264 sainbox.exe 87 PID 3264 wrote to memory of 1744 3264 sainbox.exe 87 PID 4580 wrote to memory of 2196 4580 d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe 86 PID 4580 wrote to memory of 2196 4580 d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe 86 PID 4580 wrote to memory of 2196 4580 d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe 86 PID 2196 wrote to memory of 1436 2196 cmd.exe 89 PID 2196 wrote to memory of 1436 2196 cmd.exe 89 PID 2196 wrote to memory of 1436 2196 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe"C:\Users\Admin\AppData\Local\Temp\d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4580 -
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\D67499~1.EXE > nul2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2196 -
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:1436
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C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -auto1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3264 -
C:\Windows\SysWOW64\sainbox.exeC:\Windows\SysWOW64\sainbox.exe -acsi2⤵
- 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
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
PID:1744
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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
1.4MB
MD51770cf18748c082408c26e24126c269c
SHA1ebb03e48a34055833e261a5950d8f94b209930fe
SHA256d67499ddc7039ddd1e650bceb21fe743f598461bf665268fdf2663a585203b54
SHA512756dc1f504219544b6e8105833c10e187f39c78d930d09675228bdb05826c888314a7ae4b968b153fbffbe2f1de09cfeba42c6bf547c3db9db0d088ad8e67d6f