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 19:02
Static task
static1
Behavioral task
behavioral1
Sample
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe
Resource
win10v2004-20241007-en
General
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Target
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe
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Size
200KB
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MD5
d98619bc24fd77f98f278340da8a74e4
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SHA1
b8c0e4b1236cea49adf6c88196f98fdfdf4f8dfe
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SHA256
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae
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SHA512
dd27d281ee17ff03308663ffea2a5ce7d0b670d23f33f3ae7d360da22a31ca30efbd624e219096011a2ae1f0730e1561a3fa31c664bd6607b42f05e08a1e0636
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
nsbaivde.exepid process 1816 nsbaivde.exe -
Executes dropped EXE 2 IoCs
Processes:
nsbaivde.exegnz.exepid process 1816 nsbaivde.exe 3852 gnz.exe -
Loads dropped DLL 1 IoCs
Processes:
gnz.exepid process 3852 gnz.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:
gnz.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\djuwl\\gnz.exe \"c:\\Program Files\\djuwl\\gnztz.dll\",Compliance" gnz.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
gnz.exedescription ioc process File opened (read-only) \??\a: gnz.exe File opened (read-only) \??\e: gnz.exe File opened (read-only) \??\n: gnz.exe File opened (read-only) \??\s: gnz.exe File opened (read-only) \??\w: gnz.exe File opened (read-only) \??\x: gnz.exe File opened (read-only) \??\t: gnz.exe File opened (read-only) \??\b: gnz.exe File opened (read-only) \??\g: gnz.exe File opened (read-only) \??\j: gnz.exe File opened (read-only) \??\k: gnz.exe File opened (read-only) \??\l: gnz.exe File opened (read-only) \??\m: gnz.exe File opened (read-only) \??\r: gnz.exe File opened (read-only) \??\i: gnz.exe File opened (read-only) \??\p: gnz.exe File opened (read-only) \??\z: gnz.exe File opened (read-only) \??\h: gnz.exe File opened (read-only) \??\o: gnz.exe File opened (read-only) \??\q: gnz.exe File opened (read-only) \??\u: gnz.exe File opened (read-only) \??\v: gnz.exe File opened (read-only) \??\y: gnz.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:
gnz.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 gnz.exe -
Drops file in Program Files directory 4 IoCs
Processes:
nsbaivde.exedescription ioc process File opened for modification \??\c:\Program Files\djuwl\gnz.exe nsbaivde.exe File opened for modification \??\c:\Program Files\djuwl nsbaivde.exe File created \??\c:\Program Files\djuwl\gnztz.dll nsbaivde.exe File created \??\c:\Program Files\djuwl\gnz.exe nsbaivde.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:
PING.EXEnsbaivde.exegnz.exe08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.execmd.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language PING.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language nsbaivde.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language gnz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.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.
Processes:
cmd.exePING.EXEpid process 2508 cmd.exe 1508 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
gnz.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 gnz.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString gnz.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
gnz.exepid process 3852 gnz.exe 3852 gnz.exe 3852 gnz.exe 3852 gnz.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
gnz.exedescription pid process Token: SeDebugPrivilege 3852 gnz.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exensbaivde.exepid process 2580 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe 1816 nsbaivde.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.execmd.exensbaivde.exedescription pid process target process PID 2580 wrote to memory of 2508 2580 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe cmd.exe PID 2580 wrote to memory of 2508 2580 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe cmd.exe PID 2580 wrote to memory of 2508 2580 08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe cmd.exe PID 2508 wrote to memory of 1508 2508 cmd.exe PING.EXE PID 2508 wrote to memory of 1508 2508 cmd.exe PING.EXE PID 2508 wrote to memory of 1508 2508 cmd.exe PING.EXE PID 2508 wrote to memory of 1816 2508 cmd.exe nsbaivde.exe PID 2508 wrote to memory of 1816 2508 cmd.exe nsbaivde.exe PID 2508 wrote to memory of 1816 2508 cmd.exe nsbaivde.exe PID 1816 wrote to memory of 3852 1816 nsbaivde.exe gnz.exe PID 1816 wrote to memory of 3852 1816 nsbaivde.exe gnz.exe PID 1816 wrote to memory of 3852 1816 nsbaivde.exe gnz.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2580 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\nsbaivde.exe "C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2508 -
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:1508 -
C:\Users\Admin\AppData\Local\Temp\nsbaivde.exeC:\Users\Admin\AppData\Local\Temp\\nsbaivde.exe "C:\Users\Admin\AppData\Local\Temp\08330d2062c4d2d1e798cc0f99e672b17ff34b7a4b26853a69c9a2c8f746eeae.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:1816 -
\??\c:\Program Files\djuwl\gnz.exe"c:\Program Files\djuwl\gnz.exe" "c:\Program Files\djuwl\gnztz.dll",Compliance C:\Users\Admin\AppData\Local\Temp\nsbaivde.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:3852
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
200KB
MD539a4d5af52b67e84637c369f904d68a0
SHA133fa8c2d59d1edafeb1d35640887fdcb5cd53e9f
SHA25655ab72c0a1a835bd00d246b3d25ee5ba1eeed8d6936273a0f7fd262be5b355f8
SHA512ed1cb7b5f06528854cc3b392a2fc77555a5beb176685f9ea98da749a53ca3d4a5d91b94cf9f237b0d3351ca37f964003d15990f040d708bc7bf066f36dc9468c
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Filesize
141KB
MD55fe79ab6d6b3512f786bb638b349607d
SHA19d685d0d92af5d51d5a3619af21b181c948d2aa4
SHA256b9250eee3d2ad77b9cc814af0d89a99cd6c726157719607a1d9ffc5c40b2b5ca
SHA51250c17f602272f585beb4b083a653f8fbf76a9b30aa969e6659d14206f4ba50684a418ada820ee04ff569ed65cc53628b941ce0afd6785bf28ed93cc07a54d555