Analysis Overview
SHA256
b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779b
Threat Level: Known bad
The file b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN was found to be: Known bad.
Malicious Activity Summary
Cycbot
Detects Cycbot payload
Modifies WinLogon for persistence
Cycbot family
Reads user/profile data of web browsers
UPX packed file
Program crash
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-07 16:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-07 16:13
Reported
2024-11-07 16:15
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
95s
Command Line
Signatures
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe
"C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2928 -ip 2928
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2928 -s 384
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.209.201.84.in-addr.arpa | udp |
Files
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-07 16:13
Reported
2024-11-07 16:15
Platform
win7-20240903-en
Max time kernel
111s
Max time network
63s
Command Line
Signatures
Cycbot
Cycbot family
Detects Cycbot payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe,C:\\Users\\Admin\\AppData\\Roaming\\dwm.exe" | C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe | N/A |
Reads user/profile data of web browsers
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe
"C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe"
C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe
C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe startC:\Users\Admin\AppData\Roaming\Microsoft\conhost.exe%C:\Users\Admin\AppData\Roaming\Microsoft
C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe
C:\Users\Admin\AppData\Local\Temp\b524fa136b68fb4db0e146de32fca9939e626df92bac81bbe3e507cf1734779bN.exe startC:\Users\Admin\AppData\Local\Temp\csrss.exe%C:\Users\Admin\AppData\Local\Temp
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | psfk.com | udp |
| DE | 35.158.87.123:80 | psfk.com | tcp |
| US | 8.8.8.8:53 | ossimulators.com | udp |
| US | 8.8.8.8:53 | zonedg.com | udp |
| US | 8.8.8.8:53 | zonedg.com | udp |
| US | 8.8.8.8:53 | spam-detection.com | udp |
| US | 103.224.212.214:80 | zonedg.com | tcp |
| US | 103.224.212.214:80 | zonedg.com | tcp |
| US | 103.224.212.214:80 | zonedg.com | tcp |
| US | 103.224.212.214:80 | zonedg.com | tcp |
| US | 103.224.212.214:80 | zonedg.com | tcp |
| US | 8.8.8.8:53 | www.google.com | udp |
| GB | 142.250.180.4:80 | www.google.com | tcp |
| US | 103.224.212.214:80 | zonedg.com | tcp |
| GB | 142.250.180.4:80 | www.google.com | tcp |
| N/A | 127.0.0.1:54303 | tcp |
Files
memory/2364-1-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2364-2-0x0000000000400000-0x000000000046E000-memory.dmp
memory/836-12-0x0000000000400000-0x000000000046E000-memory.dmp
memory/836-14-0x0000000000400000-0x000000000046E000-memory.dmp
memory/2364-15-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Roaming\318C.CD8
| MD5 | 97c3c5bcc95a4ba50614685db0976d40 |
| SHA1 | ce9b96870638e44c7e906f8ca84a36c26259374e |
| SHA256 | 26917a34ed7076877e7aede85000306266718478692bccd5b047d8ee159dcd0b |
| SHA512 | 91d27d9f27fa2e984fc36784afbef7390fcede41cd741210cfc56ff868b749fa09134f0bf0f27200257ff76c2093efa4d807c3b79e4665d323cce199f337e25e |
memory/2364-74-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1664-76-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1664-79-0x0000000000400000-0x000000000046E000-memory.dmp
memory/1664-78-0x0000000000400000-0x000000000046E000-memory.dmp
C:\Users\Admin\AppData\Roaming\318C.CD8
| MD5 | b3f0aa72ecc3e6bd7427bd4eb9dc640d |
| SHA1 | d7e885ed279aaf401a44da37e89ca14a98c7086b |
| SHA256 | d55ef7a527dcd1ec61326908a91e1285b1d6a81465b5db856a5b772a57c70df9 |
| SHA512 | 56b369807c6d43a58267da4fad32992b12e82c6c70c1cd38b4fe57e423192401bf88c25c1f149cb1af4183262848e3f53861e53128bae67b0ea5d752497da7f1 |
C:\Users\Admin\AppData\Roaming\318C.CD8
| MD5 | 5e009c3331125140b7afd652749bfa8d |
| SHA1 | 7d97750724df6329d42aca6dc2f04fcc9527d90a |
| SHA256 | 7b3ad6d7b3a9f4b86aa0c22d682bc2e677b1b125ac1645ade59509bc842c9452 |
| SHA512 | c373ac43d0890e0aebdcc2e8877f01d3345139d3ac6e1449cebcd0123f982334308f4f5eaa155ab33f27c2b9a67f5ea67c7748c4ebca4fe91e74502efde9a8e1 |
memory/2364-187-0x0000000000400000-0x000000000046E000-memory.dmp