Analysis
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max time kernel
151s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
22-11-2022 18:01
Static task
static1
Behavioral task
behavioral1
Sample
ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe
Resource
win7-20220812-en
windows7-x64
14 signatures
150 seconds
Behavioral task
behavioral2
Sample
ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
16 signatures
150 seconds
General
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Target
ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe
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Size
469KB
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MD5
4d04796c636b32ac9288d72952a19da3
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SHA1
a408c6b1a4d265423b2ef44bc156840551d2689d
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SHA256
ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb
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SHA512
7423cd6d7e77a3f87baebd5a82dc45a06439f9861f1e933ce0686abefd9611b2cba09c086f11b82545e4a1a104a18fd151a28b15b5827fdcbe1b8ebb569f84a8
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SSDEEP
6144:34CxbFm6x26wBUN+RIYbVvkHBIhy9+f4Vctl/CUw879fcBZNMFb69cABEqaJgmbG:34QVxtLEmYwIB4VIBwpUFb8ZFaJgmK
Score
10/10
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe Key value queried \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "\\Default Folder\\Default File.exe" ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe Set value (str) \REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Default Key = "C:\\Users\\Admin\\AppData\\Roaming\\Default Folder\\Default File.exe" ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe File opened for modification C:\Windows\assembly\Desktop.ini ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe File created C:\Windows\assembly\Desktop.ini ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe File opened for modification C:\Windows\assembly\Desktop.ini ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 Taskmgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A Taskmgr.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName Taskmgr.exe -
Runs ping.exe 1 TTPs 1 IoCs
pid Process 4740 PING.EXE -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe -
Suspicious behavior: GetForegroundWindowSpam 2 IoCs
pid Process 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 2224 Taskmgr.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeDebugPrivilege 4208 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe Token: SeDebugPrivilege 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe Token: SeDebugPrivilege 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe Token: SeDebugPrivilege 2224 Taskmgr.exe Token: SeSystemProfilePrivilege 2224 Taskmgr.exe Token: SeCreateGlobalPrivilege 2224 Taskmgr.exe -
Suspicious use of FindShellTrayWindow 64 IoCs
pid Process 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe -
Suspicious use of SendNotifyMessage 64 IoCs
pid Process 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe 2224 Taskmgr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4208 wrote to memory of 5028 4208 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 81 PID 4208 wrote to memory of 5028 4208 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 81 PID 4208 wrote to memory of 5028 4208 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 81 PID 4208 wrote to memory of 3640 4208 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 82 PID 4208 wrote to memory of 3640 4208 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 82 PID 4208 wrote to memory of 3640 4208 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 82 PID 3640 wrote to memory of 4740 3640 cmd.exe 84 PID 3640 wrote to memory of 4740 3640 cmd.exe 84 PID 3640 wrote to memory of 4740 3640 cmd.exe 84 PID 5028 wrote to memory of 2224 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 85 PID 5028 wrote to memory of 2224 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 85 PID 5028 wrote to memory of 2224 5028 ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe 85
Processes
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C:\Users\Admin\AppData\Local\Temp\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe"C:\Users\Admin\AppData\Local\Temp\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe"1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4208 -
C:\Users\Admin\AppData\Local\Temp\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe"C:\Users\Admin\AppData\Local\Temp\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe"2⤵
- Executes dropped EXE
- Checks computer location settings
- Adds Run key to start application
- Drops desktop.ini file(s)
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5028 -
C:\Windows\SysWOW64\Taskmgr.exe"C:\Windows\System32\Taskmgr.exe"3⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2224
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C ping 1.1.1.1 -n 1 -w 1000 > Nul & Del "C:\Users\Admin\AppData\Local\Temp\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe"2⤵
- Suspicious use of WriteProcessMemory
PID:3640 -
C:\Windows\SysWOW64\PING.EXEping 1.1.1.1 -n 1 -w 10003⤵
- Runs ping.exe
PID:4740
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe
Filesize469KB
MD54d04796c636b32ac9288d72952a19da3
SHA1a408c6b1a4d265423b2ef44bc156840551d2689d
SHA256ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb
SHA5127423cd6d7e77a3f87baebd5a82dc45a06439f9861f1e933ce0686abefd9611b2cba09c086f11b82545e4a1a104a18fd151a28b15b5827fdcbe1b8ebb569f84a8
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C:\Users\Admin\AppData\Local\Temp\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb\ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb.exe
Filesize469KB
MD54d04796c636b32ac9288d72952a19da3
SHA1a408c6b1a4d265423b2ef44bc156840551d2689d
SHA256ca5c0b76c5986b81a65d81cde68587e8fd25ee57d26bc56e44d929e07c15d2fb
SHA5127423cd6d7e77a3f87baebd5a82dc45a06439f9861f1e933ce0686abefd9611b2cba09c086f11b82545e4a1a104a18fd151a28b15b5827fdcbe1b8ebb569f84a8