Analysis
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max time kernel
142s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
16/10/2024, 00:29
Static task
static1
Behavioral task
behavioral1
Sample
c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe
Resource
win10v2004-20241007-en
General
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Target
c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe
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Size
198KB
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MD5
6ba203318b1787f7b4cd59c4caae3fab
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SHA1
47217d03eacd6e5636f081129270a80cb64624b2
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SHA256
c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3
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SHA512
647b8c8e7466e02568499d07171608aede7f80dc09f2c8238a2616c7022e42dfc7ec779f104bb7773b49099b86e6c8f36db553f5138452271f98ccfe3dbcf85b
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkT:X2vnSwjaOcADw9cUeCOf
Malware Config
Signatures
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Deletes itself 1 IoCs
pid Process 2236 pgchzdi.exe -
Executes dropped EXE 2 IoCs
pid Process 2236 pgchzdi.exe 2636 hazmysg.exe -
Loads dropped DLL 7 IoCs
pid Process 1936 cmd.exe 1936 cmd.exe 2236 pgchzdi.exe 2636 hazmysg.exe 2636 hazmysg.exe 2636 hazmysg.exe 2636 hazmysg.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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\tuzyssdoo\\hazmysg.exe \"c:\\Program Files\\tuzyssdoo\\hazmysg.dll\",Compliance" hazmysg.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\l: hazmysg.exe File opened (read-only) \??\u: hazmysg.exe File opened (read-only) \??\s: hazmysg.exe File opened (read-only) \??\w: hazmysg.exe File opened (read-only) \??\g: hazmysg.exe File opened (read-only) \??\j: hazmysg.exe File opened (read-only) \??\q: hazmysg.exe File opened (read-only) \??\r: hazmysg.exe File opened (read-only) \??\m: hazmysg.exe File opened (read-only) \??\t: hazmysg.exe File opened (read-only) \??\v: hazmysg.exe File opened (read-only) \??\i: hazmysg.exe File opened (read-only) \??\k: hazmysg.exe File opened (read-only) \??\n: hazmysg.exe File opened (read-only) \??\o: hazmysg.exe File opened (read-only) \??\a: hazmysg.exe File opened (read-only) \??\b: hazmysg.exe File opened (read-only) \??\e: hazmysg.exe File opened (read-only) \??\h: hazmysg.exe File opened (read-only) \??\p: hazmysg.exe File opened (read-only) \??\x: hazmysg.exe File opened (read-only) \??\y: hazmysg.exe File opened (read-only) \??\z: hazmysg.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.
description ioc Process File opened for modification \??\PHYSICALDRIVE0 hazmysg.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification \??\c:\Program Files\tuzyssdoo\hazmysg.exe pgchzdi.exe File opened for modification \??\c:\Program Files\tuzyssdoo pgchzdi.exe File created \??\c:\Program Files\tuzyssdoo\hazmysg.dll pgchzdi.exe File created \??\c:\Program Files\tuzyssdoo\hazmysg.exe pgchzdi.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 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.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 pgchzdi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language hazmysg.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 1936 cmd.exe 2904 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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString hazmysg.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 hazmysg.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2904 PING.EXE -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2636 hazmysg.exe 2636 hazmysg.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2636 hazmysg.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2852 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 2236 pgchzdi.exe -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 2852 wrote to memory of 1936 2852 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 30 PID 2852 wrote to memory of 1936 2852 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 30 PID 2852 wrote to memory of 1936 2852 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 30 PID 2852 wrote to memory of 1936 2852 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 30 PID 1936 wrote to memory of 2904 1936 cmd.exe 32 PID 1936 wrote to memory of 2904 1936 cmd.exe 32 PID 1936 wrote to memory of 2904 1936 cmd.exe 32 PID 1936 wrote to memory of 2904 1936 cmd.exe 32 PID 1936 wrote to memory of 2236 1936 cmd.exe 33 PID 1936 wrote to memory of 2236 1936 cmd.exe 33 PID 1936 wrote to memory of 2236 1936 cmd.exe 33 PID 1936 wrote to memory of 2236 1936 cmd.exe 33 PID 2236 wrote to memory of 2636 2236 pgchzdi.exe 34 PID 2236 wrote to memory of 2636 2236 pgchzdi.exe 34 PID 2236 wrote to memory of 2636 2236 pgchzdi.exe 34 PID 2236 wrote to memory of 2636 2236 pgchzdi.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2852 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\pgchzdi.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1936 -
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:2904
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C:\Users\Admin\AppData\Local\Temp\pgchzdi.exeC:\Users\Admin\AppData\Local\Temp\\pgchzdi.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"3⤵
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2236 -
\??\c:\Program Files\tuzyssdoo\hazmysg.exe"c:\Program Files\tuzyssdoo\hazmysg.exe" "c:\Program Files\tuzyssdoo\hazmysg.dll",Compliance C:\Users\Admin\AppData\Local\Temp\pgchzdi.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:2636
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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
141KB
MD575821e8eb1cb1240b6cdb45a574f8858
SHA14f52ba5f7e55e9e93fe3c6f201c1394b9842ebad
SHA256683ba9edb27ba1031459b33e3c7d9df66bcac935f44a64fac8f1b866dffdce24
SHA51271c8521bb5f0f2a37fa677c09e871ad6fc50a27d3a27c2eb7d9f9748166b136a7e8435bef1264f88ee20e0966649594e49470b802558fc4f3ddb414e688a70d4
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
198KB
MD5f9ec7582f238072ab6b14a40a779275a
SHA19b69ac8e6eef60ff058df8dd8473a4d375822ad6
SHA256e546cf13e9a426a88490d1ca826b62bbba5a587454df363aa223f1688b4ec4d7
SHA512b01c592fbe8523391161720fc70853e562db662223b1ec23ca2f477fde0804b7640840283b161e7cf6b965d32123fd776f5e123efe1e169e89fdd0bd37be0e52