Analysis
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max time kernel
132s -
max time network
132s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
21-01-2021 17:23
General
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Target
DOC-S09989.exe
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Size
608KB
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MD5
30d51014bd7fcdf58947980ad56e12a9
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SHA1
9b372303fc82f98c27b28083bdc234a4dfeaa3b5
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SHA256
a46619353188d4f4391269c1e5b29ba8bc3bb0d476688f903af75dd2603f6e8d
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SHA512
9cdbcd72ae9386ed2783a260580ea1e40f3191239e16876fff3100263cc2d1b65796f2e56fc6d0543fc9b1a87b7f96f635978436796f36a2a996c0bb0c359d14
Malware Config
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger Payload 2 IoCs
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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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious use of SetThreadContext 1 IoCs
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DOC-S09989.exe"C:\Users\Admin\AppData\Local\Temp\DOC-S09989.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\58a24dde79bb4e1ca46b09d623dadfbd.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\58a24dde79bb4e1ca46b09d623dadfbd.xml"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DOC-S09989.exe"C:\Users\Admin\AppData\Local\Temp\DOC-S09989.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\58a24dde79bb4e1ca46b09d623dadfbd.xmlMD5
aa2f6636e997aaa0b01fbc78b1dabe52
SHA1fd462100fc91975dcbea8e361cf1eb8a70f6ad54
SHA256d710b6eda22285684579d8b547e5be2f48883c4bf8db39993b00df30f9dc8723
SHA5126540a3bbdbd3ab51679d5b32380e6c288bf6eba2777d067d40bfe65642ccafecd18028b102dfa46ac189d84282da2b6cb202a4f307587c5639f86834788f5104
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memory/864-11-0x0000000005793000-0x0000000005794000-memory.dmpFilesize
4KB
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memory/864-12-0x0000000005790000-0x0000000005791000-memory.dmpFilesize
4KB
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memory/864-3-0x000000000040188B-mapping.dmp
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memory/864-5-0x00000000729A0000-0x000000007308E000-memory.dmpFilesize
6.9MB
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memory/864-7-0x0000000003240000-0x00000000032A3000-memory.dmpFilesize
396KB
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memory/864-9-0x0000000000400000-0x0000000000478000-memory.dmpFilesize
480KB
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memory/864-18-0x00000000069C0000-0x00000000069C1000-memory.dmpFilesize
4KB
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memory/864-17-0x0000000006A20000-0x0000000006A21000-memory.dmpFilesize
4KB
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memory/864-10-0x0000000005792000-0x0000000005793000-memory.dmpFilesize
4KB
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memory/864-13-0x0000000005DA0000-0x0000000005DA1000-memory.dmpFilesize
4KB
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memory/864-14-0x0000000005940000-0x0000000005941000-memory.dmpFilesize
4KB
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memory/864-15-0x0000000005794000-0x0000000005795000-memory.dmpFilesize
4KB
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memory/864-16-0x0000000006B50000-0x0000000006B51000-memory.dmpFilesize
4KB
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memory/2772-4-0x0000000000000000-mapping.dmp
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memory/3824-2-0x0000000000000000-mapping.dmp