Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09-11-2024 21:01
Static task
static1
Behavioral task
behavioral1
Sample
31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe
Resource
win10v2004-20241007-en
General
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Target
31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe
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Size
612KB
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MD5
37b0bf8deb5f81a3ec3421ca00fad8b8
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SHA1
91c596ea171011327a8d5cef9f7e9a3e1fe469c8
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SHA256
31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb
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SHA512
a38624bdc3205965d5c8ec9c3b0d9c541df267973673dd4c0dfede3b47d90bc05ab15a9f2738cc3ee48792557552ca8378fc886c853c431dbd1b11bd2ea15b09
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SSDEEP
12288:EVRTE3het1yJh2HduH7GqjTyiVRTE3het1yJh2HduH7GqjTy:IX1AwHsH7hTyOX1AwHsH7hTy
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
qwuyw.exepid process 3508 qwuyw.exe -
Executes dropped EXE 2 IoCs
Processes:
qwuyw.execdn.exepid process 3508 qwuyw.exe 2248 cdn.exe -
Loads dropped DLL 1 IoCs
Processes:
cdn.exepid process 2248 cdn.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
cdn.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SHR = "c:\\Program Files\\shtye\\cdn.exe \"c:\\Program Files\\shtye\\cdnmw.dll\",Scheduler" cdn.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
cdn.exedescription ioc process File opened (read-only) \??\w: cdn.exe File opened (read-only) \??\g: cdn.exe File opened (read-only) \??\o: cdn.exe File opened (read-only) \??\p: cdn.exe File opened (read-only) \??\r: cdn.exe File opened (read-only) \??\u: cdn.exe File opened (read-only) \??\b: cdn.exe File opened (read-only) \??\h: cdn.exe File opened (read-only) \??\j: cdn.exe File opened (read-only) \??\q: cdn.exe File opened (read-only) \??\x: cdn.exe File opened (read-only) \??\e: cdn.exe File opened (read-only) \??\m: cdn.exe File opened (read-only) \??\n: cdn.exe File opened (read-only) \??\z: cdn.exe File opened (read-only) \??\t: cdn.exe File opened (read-only) \??\v: cdn.exe File opened (read-only) \??\y: cdn.exe File opened (read-only) \??\a: cdn.exe File opened (read-only) \??\i: cdn.exe File opened (read-only) \??\k: cdn.exe File opened (read-only) \??\l: cdn.exe File opened (read-only) \??\s: cdn.exe -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
Processes:
cdn.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 cdn.exe -
Drops file in Program Files directory 4 IoCs
Processes:
qwuyw.exedescription ioc process File opened for modification \??\c:\Program Files\shtye qwuyw.exe File created \??\c:\Program Files\shtye\cdnmw.dll qwuyw.exe File created \??\c:\Program Files\shtye\cdn.exe qwuyw.exe File opened for modification \??\c:\Program Files\shtye\cdn.exe qwuyw.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.
Processes:
cdn.exe31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.execmd.exePING.EXEqwuyw.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cdn.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe 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 qwuyw.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
Processes:
cmd.exePING.EXEpid process 2704 cmd.exe 1420 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
cdn.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString cdn.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 cdn.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
cdn.exepid process 2248 cdn.exe 2248 cdn.exe 2248 cdn.exe 2248 cdn.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
cdn.exedescription pid process Token: SeDebugPrivilege 2248 cdn.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exeqwuyw.exepid process 4144 31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe 3508 qwuyw.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.execmd.exeqwuyw.exedescription pid process target process PID 4144 wrote to memory of 2704 4144 31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe cmd.exe PID 4144 wrote to memory of 2704 4144 31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe cmd.exe PID 4144 wrote to memory of 2704 4144 31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe cmd.exe PID 2704 wrote to memory of 1420 2704 cmd.exe PING.EXE PID 2704 wrote to memory of 1420 2704 cmd.exe PING.EXE PID 2704 wrote to memory of 1420 2704 cmd.exe PING.EXE PID 2704 wrote to memory of 3508 2704 cmd.exe qwuyw.exe PID 2704 wrote to memory of 3508 2704 cmd.exe qwuyw.exe PID 2704 wrote to memory of 3508 2704 cmd.exe qwuyw.exe PID 3508 wrote to memory of 2248 3508 qwuyw.exe cdn.exe PID 3508 wrote to memory of 2248 3508 qwuyw.exe cdn.exe PID 3508 wrote to memory of 2248 3508 qwuyw.exe cdn.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe"C:\Users\Admin\AppData\Local\Temp\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4144 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\qwuyw.exe "C:\Users\Admin\AppData\Local\Temp\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2704 -
C:\Windows\SysWOW64\PING.EXEping 127.0.0.1 -n 23⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Runs ping.exe
PID:1420 -
C:\Users\Admin\AppData\Local\Temp\qwuyw.exeC:\Users\Admin\AppData\Local\Temp\\qwuyw.exe "C:\Users\Admin\AppData\Local\Temp\31621debc461a0a11d643c3eb72ecf66463ca973e6afb97babb7ab505b9021fb.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3508 -
\??\c:\Program Files\shtye\cdn.exe"c:\Program Files\shtye\cdn.exe" "c:\Program Files\shtye\cdnmw.dll",Scheduler C:\Users\Admin\AppData\Local\Temp\qwuyw.exe4⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2248
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1Replay Monitor
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Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
613KB
MD56e0842038f19e753c0fa9f500dc4ac65
SHA139b59c2fad0e243cd54d43bce37427856495a0f1
SHA25699ad8c7c15a0160e2adf90a356e63657fe6010a7e651f91ffc021f923b48e0ab
SHA51208d691826ebf162b699a7074eafcbcf399ab7a806d2f8ee7251909e92624db443dd67b1c1c4f7e33c5c323ec1680828d1752567c9af55e2ff06679c6861f337b
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Filesize
184KB
MD53aa68a4632b8f59c0a39bb8f581e6585
SHA1af552ead3f82e8173901e6558569d2901ff92b8d
SHA25643cd834157bfba20523bcd887eb78a2e2ac237a2157644281ce337d1b975aae8
SHA51220fa658f1c3ddb22769e1398e1537588a9d8bc16965b6e48ea191bb20c435def483b218d91e44387d8422f58878105a897c5f8b1627834ec67f9c05f8eba25a3