Analysis
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max time kernel
94s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
09-11-2024 01:52
General
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Target
$77Client.exe
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Size
56KB
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MD5
499308c111f6aedc6fc71df066aa3bdd
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SHA1
edafc28b68a50f1bb3aa49141d64f43618cf8ea6
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SHA256
e4d4485983a7e13e57f917476bad64d0d4812b9041c86b07f9dddd7a93c61c87
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SHA512
ac40f8408328d24fe33a9ce03d1c2b87bb3dec5f063e58b2f53942e701126804f8ad71708a938b8e88465a968e8ecdec61930475b7bb6716945ffcb2f4de198a
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SSDEEP
768:DwoQxEyV72/68RXclX7Yq0QgW+79bk1klbAvdXAypaTCqt68vTXqJ1uOiz4s/bYi:DYKGUrMFY9bk1kU8vx
Malware Config
Signatures
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Detect Xworm Payload 1 IoCs
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Xworm
Xworm is a remote access trojan written in C#.
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Xworm family
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Program crash 1 IoCs
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 11 IoCs
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Suspicious use of AdjustPrivilegeToken 6 IoCs
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Suspicious use of FindShellTrayWindow 37 IoCs
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Suspicious use of SendNotifyMessage 37 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\$77Client.exe"C:\Users\Admin\AppData\Local\Temp\$77Client.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 17282⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3400 -ip 34001⤵
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C:\Windows\system32\taskmgr.exe"C:\Windows\system32\taskmgr.exe" /41⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
4KB
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Filesize
80KB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
408KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB