Analysis
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max time kernel
150s -
max time network
123s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
18-05-2021 11:07
Static task
static1
Behavioral task
behavioral1
Sample
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe
Resource
win10v20210410
General
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Target
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe
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Size
961KB
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MD5
0cbe837b9e16be637db3733703a491bf
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SHA1
92220856f8ed04b96cde3f22471584826d81cc09
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SHA256
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41
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SHA512
c8fe2da6253097243138c016148c4f085af65030ceadce0f36fa531d11d265318b0bce50280ae8dc629c7f89658d3bcb1751100a4f02f18cdb67af211a68ee40
Malware Config
Signatures
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Modifies WinLogon for persistence 2 TTPs 2 IoCs
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "Explorer.exe" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe," 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe -
Modifies system executable filetype association 2 TTPs 1 IoCs
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe -
Drops file in Drivers directory 2 IoCs
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription ioc process File created C:\Windows\SysWOW64\drivers\spools.exe 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened for modification C:\Windows\SysWOW64\drivers\spools.exe 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe -
Sets service image path in registry 2 TTPs
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Adds Run key to start application 2 TTPs 4 IoCs
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe Set value (str) \REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000\Software\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ntuser = "C:\\Windows\\system32\\drivers\\spools.exe" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\autoload = "C:\\Users\\Admin\\cftmon.exe" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe -
Enumerates connected drives 3 TTPs 20 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription ioc process File opened (read-only) \??\S: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\W: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\X: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\G: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\H: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\N: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\Q: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\R: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\E: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\I: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\P: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\U: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\V: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\F: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\K: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\T: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\J: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\L: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\M: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe File opened (read-only) \??\O: 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe -
Installs/modifies Browser Helper Object 2 TTPs
BHOs are DLL modules which act as plugins for Internet Explorer.
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Modifies WinLogon 2 TTPs 1 IoCs
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\UIHost = "logonui.exe" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe -
Modifies registry class 1 IoCs
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\drivers\\spools.exe \"%1\" %*" 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exedescription pid process target process PID 3984 wrote to memory of 800 3984 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe reg.exe PID 3984 wrote to memory of 800 3984 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe reg.exe PID 3984 wrote to memory of 800 3984 0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe reg.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe"C:\Users\Admin\AppData\Local\Temp\0e79b3f12fb89ad3c9e3816ca02b2da1204f632e33ca158970f849f1c85a7a41.exe"1⤵
- Modifies WinLogon for persistence
- Modifies system executable filetype association
- Drops file in Drivers directory
- Adds Run key to start application
- Enumerates connected drives
- Modifies WinLogon
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\reg.exereg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f2⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/800-114-0x0000000000000000-mapping.dmp