Analysis
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max time kernel
150s -
max time network
157s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system -
submitted
09-11-2024 18:59
Static task
static1
Behavioral task
behavioral1
Sample
e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe
Resource
win10v2004-20241007-en
General
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Target
e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe
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Size
200KB
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MD5
9933491afe789b82723b7f8499fe85aa
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SHA1
3e3cbea4eab8dc8bc7b372567e1e99dbb4dc526f
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SHA256
e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019
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SHA512
ac2ca28a223d67784833c581ac5b5ab90e9614f1e07a27cb9ed4e60cc901df0025fe95e9eb467cdbb37a77ceb7287c0f9c1598409c6f5a9e840f4eb4bd1fa7e2
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SSDEEP
3072:fP5gvNVLIfHQja1RfmLQADwSKkhU+tLgT5lODbiC8r1PkTX:X2vnSwjaOcADw9cUeCOfx
Malware Config
Signatures
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Deletes itself 1 IoCs
Processes:
fucyo.exepid process 2912 fucyo.exe -
Executes dropped EXE 2 IoCs
Processes:
fucyo.exeqyc.exepid process 2912 fucyo.exe 2788 qyc.exe -
Loads dropped DLL 7 IoCs
Processes:
cmd.exefucyo.exeqyc.exepid process 2148 cmd.exe 2148 cmd.exe 2912 fucyo.exe 2788 qyc.exe 2788 qyc.exe 2788 qyc.exe 2788 qyc.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:
qyc.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Depend = "c:\\Program Files\\yrztw\\qyc.exe \"c:\\Program Files\\yrztw\\qycky.dll\",Compliance" qyc.exe -
Enumerates connected drives 3 TTPs 23 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
qyc.exedescription ioc process File opened (read-only) \??\z: qyc.exe File opened (read-only) \??\a: qyc.exe File opened (read-only) \??\e: qyc.exe File opened (read-only) \??\j: qyc.exe File opened (read-only) \??\o: qyc.exe File opened (read-only) \??\w: qyc.exe File opened (read-only) \??\p: qyc.exe File opened (read-only) \??\r: qyc.exe File opened (read-only) \??\s: qyc.exe File opened (read-only) \??\u: qyc.exe File opened (read-only) \??\y: qyc.exe File opened (read-only) \??\q: qyc.exe File opened (read-only) \??\t: qyc.exe File opened (read-only) \??\x: qyc.exe File opened (read-only) \??\b: qyc.exe File opened (read-only) \??\k: qyc.exe File opened (read-only) \??\l: qyc.exe File opened (read-only) \??\m: qyc.exe File opened (read-only) \??\n: qyc.exe File opened (read-only) \??\g: qyc.exe File opened (read-only) \??\h: qyc.exe File opened (read-only) \??\i: qyc.exe File opened (read-only) \??\v: qyc.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:
qyc.exedescription ioc process File opened for modification \??\PHYSICALDRIVE0 qyc.exe -
Drops file in Program Files directory 4 IoCs
Processes:
fucyo.exedescription ioc process File opened for modification \??\c:\Program Files\yrztw\qyc.exe fucyo.exe File opened for modification \??\c:\Program Files\yrztw fucyo.exe File created \??\c:\Program Files\yrztw\qycky.dll fucyo.exe File created \??\c:\Program Files\yrztw\qyc.exe fucyo.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:
e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.execmd.exePING.EXEfucyo.exeqyc.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.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 fucyo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language qyc.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 2148 cmd.exe 2924 PING.EXE -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
qyc.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 qyc.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString qyc.exe -
Runs ping.exe 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
qyc.exepid process 2788 qyc.exe 2788 qyc.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
qyc.exedescription pid process Token: SeDebugPrivilege 2788 qyc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exefucyo.exepid process 1996 e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe 2912 fucyo.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.execmd.exefucyo.exedescription pid process target process PID 1996 wrote to memory of 2148 1996 e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe cmd.exe PID 1996 wrote to memory of 2148 1996 e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe cmd.exe PID 1996 wrote to memory of 2148 1996 e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe cmd.exe PID 1996 wrote to memory of 2148 1996 e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe cmd.exe PID 2148 wrote to memory of 2924 2148 cmd.exe PING.EXE PID 2148 wrote to memory of 2924 2148 cmd.exe PING.EXE PID 2148 wrote to memory of 2924 2148 cmd.exe PING.EXE PID 2148 wrote to memory of 2924 2148 cmd.exe PING.EXE PID 2148 wrote to memory of 2912 2148 cmd.exe fucyo.exe PID 2148 wrote to memory of 2912 2148 cmd.exe fucyo.exe PID 2148 wrote to memory of 2912 2148 cmd.exe fucyo.exe PID 2148 wrote to memory of 2912 2148 cmd.exe fucyo.exe PID 2912 wrote to memory of 2788 2912 fucyo.exe qyc.exe PID 2912 wrote to memory of 2788 2912 fucyo.exe qyc.exe PID 2912 wrote to memory of 2788 2912 fucyo.exe qyc.exe PID 2912 wrote to memory of 2788 2912 fucyo.exe qyc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe"C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1996 -
C:\Windows\SysWOW64\cmd.execmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\fucyo.exe "C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.exe"2⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
- Suspicious use of WriteProcessMemory
PID:2148 -
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:2924 -
C:\Users\Admin\AppData\Local\Temp\fucyo.exeC:\Users\Admin\AppData\Local\Temp\\fucyo.exe "C:\Users\Admin\AppData\Local\Temp\e5d9abd22a8e1ca75678a21b97e69c92acb3268670edaf1dd4831a16160cb019.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:2912 -
\??\c:\Program Files\yrztw\qyc.exe"c:\Program Files\yrztw\qyc.exe" "c:\Program Files\yrztw\qycky.dll",Compliance C:\Users\Admin\AppData\Local\Temp\fucyo.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:2788
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
MD5d641a1c94b35ee3544a35bf6631f5dfe
SHA12d4e4d14b7b9544afa6bd4ca554a37e5a2883318
SHA2561f6c896495d177a86f6e381bcf63634ad5fa76e7e017f73b3397611ab0582a36
SHA51219fefec5f7ca781c109a4cb3a2ecd7cc67a1cb409f1295789ff846112bf2492a6d3858aa83dffeda1714b400c7615cad85ce5bdf6d9672176343208ab165669a
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Filesize
43KB
MD551138beea3e2c21ec44d0932c71762a8
SHA18939cf35447b22dd2c6e6f443446acc1bf986d58
SHA2565ad3c37e6f2b9db3ee8b5aeedc474645de90c66e3d95f8620c48102f1eba4124
SHA512794f30fe452117ff2a26dc9d7086aaf82b639c2632ac2e381a81f5239caaec7c96922ba5d2d90bfd8d74f0a6cd4f79fbda63e14c6b779e5cf6834c13e4e45e7d
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Filesize
201KB
MD546c9404534dee2b6bd0461481e38fdde
SHA1782cdf4231e63e8a278e192ac53cff44be574b0f
SHA256260e6b4cec2c486694f958ddda2c82e927ce0921a1b325f9b20027f8bbab9ced
SHA512d84ff4dcae4c61ca602dca86979612ff3c8984b37b2d8b1f2b2f49230868dd1d3d98483c77cde3ee2c130f23e1108a1c6e5ecc16ad003641137e434715888537