Analysis
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max time kernel
142s -
max time network
137s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
26-02-2021 06:52
Static task
static1
Behavioral task
behavioral1
Sample
Shipment document.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
Shipment document.exe
Resource
win10v20201028
General
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Target
Shipment document.exe
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Size
16KB
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MD5
063765a246e5de199afcac8a77a1138e
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SHA1
6ee29c38d9942f0026845e8c26d77f1ec051d0cc
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SHA256
0f57eaac051c7f259290f747b71e93068fdc6dcd5ce2a4d513c096e4f60a71b4
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SHA512
75c07c20c513d725b315cc24f772c375ba2c41951e0370f19d66a3323e72039b4beae1319109b557fae54987635892ba1d57b90be0db278f77dcdc12ffc73ec9
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/624-18-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger behavioral1/memory/624-19-0x0000000000464B6E-mapping.dmp family_snakekeylogger behavioral1/memory/624-21-0x0000000000400000-0x000000000046A000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
Shipment document.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths Shipment document.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions Shipment document.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe = "0" Shipment document.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
Shipment document.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\fPMsfirPJUZahDGj = "explorer.exe \"C:\\Windows\\Cursors\\vnCEdXRVxLvZmFp\\svchost.exe\"" Shipment document.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 8 checkip.dyndns.org 13 freegeoip.app 14 freegeoip.app -
Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs
Processes:
Shipment document.exepid process 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Shipment document.exedescription pid process target process PID 1932 set thread context of 624 1932 Shipment document.exe Shipment document.exe -
Drops file in Windows directory 2 IoCs
Processes:
Shipment document.exedescription ioc process File created C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe Shipment document.exe File opened for modification C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe Shipment document.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1508 1932 WerFault.exe Shipment document.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 776 timeout.exe -
Suspicious behavior: EnumeratesProcesses 11 IoCs
Processes:
powershell.exeShipment document.exeShipment document.exeWerFault.exepid process 604 powershell.exe 604 powershell.exe 1932 Shipment document.exe 1932 Shipment document.exe 1932 Shipment document.exe 624 Shipment document.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe 1508 WerFault.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
Shipment document.exepid process 624 Shipment document.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
Shipment document.exepowershell.exeShipment document.exeWerFault.exedescription pid process Token: SeDebugPrivilege 1932 Shipment document.exe Token: SeDebugPrivilege 604 powershell.exe Token: SeDebugPrivilege 624 Shipment document.exe Token: SeDebugPrivilege 1508 WerFault.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
Shipment document.exepid process 624 Shipment document.exe -
Suspicious use of WriteProcessMemory 25 IoCs
Processes:
Shipment document.execmd.exedescription pid process target process PID 1932 wrote to memory of 604 1932 Shipment document.exe powershell.exe PID 1932 wrote to memory of 604 1932 Shipment document.exe powershell.exe PID 1932 wrote to memory of 604 1932 Shipment document.exe powershell.exe PID 1932 wrote to memory of 604 1932 Shipment document.exe powershell.exe PID 1932 wrote to memory of 584 1932 Shipment document.exe cmd.exe PID 1932 wrote to memory of 584 1932 Shipment document.exe cmd.exe PID 1932 wrote to memory of 584 1932 Shipment document.exe cmd.exe PID 1932 wrote to memory of 584 1932 Shipment document.exe cmd.exe PID 584 wrote to memory of 776 584 cmd.exe timeout.exe PID 584 wrote to memory of 776 584 cmd.exe timeout.exe PID 584 wrote to memory of 776 584 cmd.exe timeout.exe PID 584 wrote to memory of 776 584 cmd.exe timeout.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 624 1932 Shipment document.exe Shipment document.exe PID 1932 wrote to memory of 1508 1932 Shipment document.exe WerFault.exe PID 1932 wrote to memory of 1508 1932 Shipment document.exe WerFault.exe PID 1932 wrote to memory of 1508 1932 Shipment document.exe WerFault.exe PID 1932 wrote to memory of 1508 1932 Shipment document.exe WerFault.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Shipment document.exe"C:\Users\Admin\AppData\Local\Temp\Shipment document.exe"1⤵
- Windows security modification
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Windows\Cursors\vnCEdXRVxLvZmFp\svchost.exe" -Force2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:604 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout 12⤵
- Suspicious use of WriteProcessMemory
PID:584 -
C:\Windows\SysWOW64\timeout.exetimeout 13⤵
- Delays execution with timeout.exe
PID:776 -
C:\Users\Admin\AppData\Local\Temp\Shipment document.exe"C:\Users\Admin\AppData\Local\Temp\Shipment document.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 13242⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1508
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/584-12-0x0000000000000000-mapping.dmp
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memory/604-17-0x0000000005280000-0x0000000005281000-memory.dmpFilesize
4KB
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memory/604-58-0x000000007EF30000-0x000000007EF31000-memory.dmpFilesize
4KB
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memory/604-42-0x0000000005610000-0x0000000005611000-memory.dmpFilesize
4KB
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memory/604-7-0x0000000000000000-mapping.dmp
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memory/604-8-0x00000000750C1000-0x00000000750C3000-memory.dmpFilesize
8KB
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memory/604-9-0x0000000073E00000-0x00000000744EE000-memory.dmpFilesize
6.9MB
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memory/604-10-0x0000000001EC0000-0x0000000001EC1000-memory.dmpFilesize
4KB
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memory/604-11-0x0000000004910000-0x0000000004911000-memory.dmpFilesize
4KB
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memory/604-41-0x00000000061B0000-0x00000000061B1000-memory.dmpFilesize
4KB
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memory/604-34-0x0000000006240000-0x0000000006241000-memory.dmpFilesize
4KB
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memory/604-14-0x00000000025D0000-0x00000000025D1000-memory.dmpFilesize
4KB
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memory/604-15-0x00000000048D0000-0x00000000048D1000-memory.dmpFilesize
4KB
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memory/604-16-0x00000000048D2000-0x00000000048D3000-memory.dmpFilesize
4KB
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memory/604-56-0x0000000006300000-0x0000000006301000-memory.dmpFilesize
4KB
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memory/604-33-0x0000000006080000-0x0000000006081000-memory.dmpFilesize
4KB
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memory/604-57-0x0000000006310000-0x0000000006311000-memory.dmpFilesize
4KB
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memory/604-28-0x0000000005650000-0x0000000005651000-memory.dmpFilesize
4KB
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memory/624-21-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/624-25-0x0000000000D00000-0x0000000000D01000-memory.dmpFilesize
4KB
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memory/624-20-0x0000000073E00000-0x00000000744EE000-memory.dmpFilesize
6.9MB
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memory/624-18-0x0000000000400000-0x000000000046A000-memory.dmpFilesize
424KB
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memory/624-19-0x0000000000464B6E-mapping.dmp
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memory/776-13-0x0000000000000000-mapping.dmp
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memory/1508-23-0x0000000000000000-mapping.dmp
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memory/1508-24-0x0000000001E50000-0x0000000001E61000-memory.dmpFilesize
68KB
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memory/1508-59-0x0000000000300000-0x0000000000301000-memory.dmpFilesize
4KB
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memory/1932-3-0x0000000001380000-0x0000000001381000-memory.dmpFilesize
4KB
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memory/1932-6-0x0000000000660000-0x0000000000737000-memory.dmpFilesize
860KB
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memory/1932-2-0x0000000073E00000-0x00000000744EE000-memory.dmpFilesize
6.9MB
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memory/1932-5-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB