Analysis
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max time kernel
83s -
max time network
85s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
23-08-2021 09:00
General
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Target
SO#5933772-00,xlsx.exe
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Size
1.0MB
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MD5
3dbc477725b5a88f511f1b4e3bcc38fc
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SHA1
a81ed8a5aed97fb6efa956e5c485f2aad8467e9f
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SHA256
8742189aa8e9303ed7ce67da39348d2bb6628a6c5243c6e9a968499098f42178
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SHA512
60de5350d98658ab152bd361e5a7fe6c5c3f294ced8067a8ea1a3e98004759723457a9e9e36a6cc01c5a35474ab4db06695111a0143972ffb0fdfe55c97da517
Malware Config
Signatures
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A310logger
A310 Logger is a .NET stealer/logger targeting passwords from browsers and email clients.
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A310logger Executable 3 IoCs
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 1 IoCs
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Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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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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Suspicious use of SetThreadContext 1 IoCs
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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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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 use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe"C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VqTEFYQXsiQibk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9E71.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe"C:\Users\Admin\AppData\Local\Temp\SO#5933772-00,xlsx.exe"2⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\NET4\Fox.exe3⤵
- Executes dropped EXE
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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MD5
d067de544898d849262a7238c2e426aa
SHA105e938566df944fd459b9a719d92d5f0bcd7fb06
SHA256efa7e930fa3c034ef7d2fceac2492c1a3a724c0fc7d481ebd5753fc50217c058
SHA512c11dc919ac862dc0dc8730e4b4fda34cc26376d8c015606aebfe4b770d9a36a3c6854fd8e4dff8599ad540cd29e1c47c17361283959c29ca215b3d5c79d8fce2
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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MD5
91b41651e6e9ab352805c6d35a297d08
SHA111b8eaa7b7941461bc952b11ec3f07d25dcd1c2e
SHA2560872abe29cc9231cdded3a44e02a7ea17f09cf2ac2bdbd7077065858829c3723
SHA512b0b0d73f6ac7b6e9b39db0fa58931873143f6559c3b8d3db2d82d453045f75da94f3236b6c6c5200b52af6cacc038565eb2e9c6a834608dac0b0e8bb45b1e892
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Filesize
8KB
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Filesize
4KB
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Filesize
8KB
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Filesize
344KB
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Filesize
344KB
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Filesize
4KB
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Filesize
388KB
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Filesize
824KB
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Filesize
68KB
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Filesize
4KB