Analysis
-
max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
07/11/2024, 15:58
Behavioral task
behavioral1
Sample
cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe
Resource
win10v2004-20241007-en
General
-
Target
cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe
-
Size
1022KB
-
MD5
d745c1b6b062fa3e668b918509e80930
-
SHA1
fd2b54b5718f365176cd31ad29a8fc3c989ebd59
-
SHA256
cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440d
-
SHA512
ec53c70773fcb2774184963cd2ac64b6fe285c2d297908bfa626d19155355ccd257064ee11d1904a497f2f8bb5dc1fa729ab3516a632761bd218a84e45391aa7
-
SSDEEP
24576:v6Zv2ivhBVnFys7xP86LkRCMfi1odzqrNgBbE59DjX:vE2ivhQs7dLkNMRW+9vX
Malware Config
Signatures
-
Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983} cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mspqt32.exe" cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983} spoolsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "mspqt32.exe" spoolsv.exe -
Executes dropped EXE 1 IoCs
pid Process 2268 spoolsv.exe -
Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" spoolsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" spoolsv.exe Set value (str) \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" spoolsv.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\vcl32.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe File created C:\Windows\SysWOW64\mspqt32.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe File opened for modification C:\Windows\SysWOW64\mspqt32.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe File created C:\Windows\SysWOW64\concp32.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe File opened for modification C:\Windows\SysWOW64\concp32.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe -
resource yara_rule behavioral1/memory/2792-0-0x0000000000400000-0x0000000000439000-memory.dmp upx behavioral1/files/0x0007000000016d69-5.dat upx behavioral1/memory/2792-15-0x0000000000400000-0x0000000000439000-memory.dmp upx behavioral1/memory/2268-16-0x0000000000400000-0x0000000000439000-memory.dmp upx behavioral1/files/0x0034000000016d3f-14.dat upx behavioral1/memory/2268-17-0x0000000000400000-0x0000000000439000-memory.dmp upx -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\spoolsv.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe File opened for modification C:\Windows\spoolsv.exe cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language spoolsv.exe -
Modifies registry class 12 IoCs
description ioc Process Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\sm = 01b8ec350471bd332433eee476ebe1f3 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226 spoolsv.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4 spoolsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165" spoolsv.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" spoolsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\ax = c05bfb529e36ccc7a953139edbacc394 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983} spoolsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 spoolsv.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f spoolsv.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{76E2E3D0-8B9A-11D5-EBA1-F78EEEEEE983} cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2792 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2792 wrote to memory of 2268 2792 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe 30 PID 2792 wrote to memory of 2268 2792 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe 30 PID 2792 wrote to memory of 2268 2792 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe 30 PID 2792 wrote to memory of 2268 2792 cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe 30
Processes
-
C:\Users\Admin\AppData\Local\Temp\cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe"C:\Users\Admin\AppData\Local\Temp\cda5d08af50e0de1d77cfd6bb5c4352e6c05ad2f856a3408a9cbccb30232440dN.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2792 -
C:\Windows\spoolsv.exeC:\Windows\spoolsv.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:2268
-
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.0MB
MD57c6022450d2921fe3b19139d32da5a46
SHA14db702553c2e1c97edbbe1380de072d992ca5be0
SHA25605ae2bd0b57877da1bfbcf5c0a32eb01c7bb9900e4af8c8e28ad6bfe085fb6a5
SHA512c77d7f98f9ab64a77bca5f3a01959dba5df24edcd151c9bd623637013e1228c144b2df6bd15782f37e6f3e05026be75a96de828c298b5d6ccebdd992dea24949
-
Filesize
1.0MB
MD54ef845d997823e87967dd247bd5b8a6d
SHA15dd2674d6ab98441613c24c215ec3ab5e0e64a2f
SHA2562c6eebc4b25098e63cd515572be6814fde8a90e55f3c10c258519ea235d22690
SHA512173834a01b90bae680d84dea37b36a6a6ee3a555c2c0e5f4c15a0694921452430a7cdab38aeed2e2d66532c83a0280470f7ce765932100410d0aa036a613688e