Analysis
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max time kernel
142s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 2936 xwrfazzpz.exe -
Executes dropped EXE 2 IoCs
pid Process 2936 xwrfazzpz.exe 1596 mqc.exe -
Loads dropped DLL 1 IoCs
pid Process 1596 mqc.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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\qwcle\\mqc.exe \"c:\\Program Files\\qwcle\\mqcbj.dll\",Compliance" mqc.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) \??\g: mqc.exe File opened (read-only) \??\i: mqc.exe File opened (read-only) \??\m: mqc.exe File opened (read-only) \??\n: mqc.exe File opened (read-only) \??\o: mqc.exe File opened (read-only) \??\t: mqc.exe File opened (read-only) \??\a: mqc.exe File opened (read-only) \??\b: mqc.exe File opened (read-only) \??\l: mqc.exe File opened (read-only) \??\p: mqc.exe File opened (read-only) \??\s: mqc.exe File opened (read-only) \??\w: mqc.exe File opened (read-only) \??\x: mqc.exe File opened (read-only) \??\z: mqc.exe File opened (read-only) \??\h: mqc.exe File opened (read-only) \??\j: mqc.exe File opened (read-only) \??\v: mqc.exe File opened (read-only) \??\y: mqc.exe File opened (read-only) \??\e: mqc.exe File opened (read-only) \??\u: mqc.exe File opened (read-only) \??\r: mqc.exe File opened (read-only) \??\k: mqc.exe File opened (read-only) \??\q: mqc.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 mqc.exe -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification \??\c:\Program Files\qwcle xwrfazzpz.exe File created \??\c:\Program Files\qwcle\mqcbj.dll xwrfazzpz.exe File created \??\c:\Program Files\qwcle\mqc.exe xwrfazzpz.exe File opened for modification \??\c:\Program Files\qwcle\mqc.exe xwrfazzpz.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 xwrfazzpz.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mqc.exe -
System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs
Adversaries may check for Internet connectivity on compromised systems.
pid Process 2020 PING.EXE 1444 cmd.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 mqc.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 mqc.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 2020 PING.EXE -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1596 mqc.exe 1596 mqc.exe 1596 mqc.exe 1596 mqc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1596 mqc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 896 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 2936 xwrfazzpz.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 896 wrote to memory of 1444 896 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 85 PID 896 wrote to memory of 1444 896 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 85 PID 896 wrote to memory of 1444 896 c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe 85 PID 1444 wrote to memory of 2020 1444 cmd.exe 87 PID 1444 wrote to memory of 2020 1444 cmd.exe 87 PID 1444 wrote to memory of 2020 1444 cmd.exe 87 PID 1444 wrote to memory of 2936 1444 cmd.exe 90 PID 1444 wrote to memory of 2936 1444 cmd.exe 90 PID 1444 wrote to memory of 2936 1444 cmd.exe 90 PID 2936 wrote to memory of 1596 2936 xwrfazzpz.exe 91 PID 2936 wrote to memory of 1596 2936 xwrfazzpz.exe 91 PID 2936 wrote to memory of 1596 2936 xwrfazzpz.exe 91
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:896 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\xwrfazzpz.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.exe"2⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:1444 -
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:2020
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C:\Users\Admin\AppData\Local\Temp\xwrfazzpz.exeC:\Users\Admin\AppData\Local\Temp\\xwrfazzpz.exe "C:\Users\Admin\AppData\Local\Temp\c49949a7cf41f5f2fef10061d7d63dc88d91b9792cf9e28949ba1d2a885fe2a3.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:2936 -
\??\c:\Program Files\qwcle\mqc.exe"c:\Program Files\qwcle\mqc.exe" "c:\Program Files\qwcle\mqcbj.dll",Compliance C:\Users\Admin\AppData\Local\Temp\xwrfazzpz.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:1596
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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
Loading Replay Monitor...
Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
198KB
MD50c197fea820933fbf87243d19084f80e
SHA1ff41247424fabb23dbb44fc51f1b9fff3e8b4f77
SHA2567807942bf5097f1f4b69a9930e032cad1c12d143de8c7a182b7c53ab6e23481e
SHA512b87bd5df46478662117970739bd407be3fb4ca3d14881c80f661c985e6d60d17d016d9dc2658e2566fe9f13e27077ee6d21da04e76a5785e9006b6f64f7db8a7
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Filesize
141KB
MD533050bfc48cd3a9dac5a73a435271bbf
SHA11d752d71cef529743198c016a87aa63612939eff
SHA25628074ff953182622099a002cb927d3a922e319357a6cc128fa1c2d940d89ff64
SHA512393353684f9e63f1ade2ef47819a469cb9cb079e5f51a569d242d1ca300d9b6fbd201b2786ca22ecfcebbd91c4332fe42076447e04c1e2fd38c46b47157cdd30