Analysis
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max time kernel
151s -
max time network
115s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
09-07-2020 07:39
Static task
static1
Behavioral task
behavioral1
Sample
F2EzKUpFLjTmAQl.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
F2EzKUpFLjTmAQl.exe
Resource
win10
General
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Target
F2EzKUpFLjTmAQl.exe
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Size
1.1MB
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MD5
96a9c353590be3958e382b08ba97a56b
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SHA1
f1e86a114513e89ee754cd1775432c12540e7481
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SHA256
8459e6fc893b7dd880895eb1be14cf8a3bec6003bbb8493f819e48ba84491b87
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SHA512
2cb8ef090ff0928e05875851f8491d416c25e795c49e10fbe1195a0801f8460d1738ab643a88225ecdb7486e7f6156ff80201251a52b2a57d7c142f50d4c850f
Malware Config
Signatures
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Suspicious use of WriteProcessMemory 13 IoCs
Processes:
F2EzKUpFLjTmAQl.exedescription pid process target process PID 1392 wrote to memory of 1852 1392 F2EzKUpFLjTmAQl.exe schtasks.exe PID 1392 wrote to memory of 1852 1392 F2EzKUpFLjTmAQl.exe schtasks.exe PID 1392 wrote to memory of 1852 1392 F2EzKUpFLjTmAQl.exe schtasks.exe PID 1392 wrote to memory of 1852 1392 F2EzKUpFLjTmAQl.exe schtasks.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe PID 1392 wrote to memory of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 5 api.ipify.org -
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
F2EzKUpFLjTmAQl.exedescription pid process target process PID 1392 set thread context of 1768 1392 F2EzKUpFLjTmAQl.exe F2EzKUpFLjTmAQl.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
F2EzKUpFLjTmAQl.exedescription pid process Token: SeDebugPrivilege 1768 F2EzKUpFLjTmAQl.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
F2EzKUpFLjTmAQl.exepid process 1768 F2EzKUpFLjTmAQl.exe 1768 F2EzKUpFLjTmAQl.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
F2EzKUpFLjTmAQl.exepid process 1768 F2EzKUpFLjTmAQl.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
F2EzKUpFLjTmAQl.exepid process 1768 F2EzKUpFLjTmAQl.exe -
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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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
Processes
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C:\Users\Admin\AppData\Local\Temp\F2EzKUpFLjTmAQl.exe"C:\Users\Admin\AppData\Local\Temp\F2EzKUpFLjTmAQl.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mIqpDGsBHNdLq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBD93.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\F2EzKUpFLjTmAQl.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpBD93.tmp
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memory/1392-1-0x0000000000000000-0x0000000000000000-disk.dmp
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memory/1768-4-0x0000000000400000-0x000000000049A000-memory.dmpFilesize
616KB
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memory/1768-5-0x000000000049457E-mapping.dmp
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memory/1768-6-0x0000000000400000-0x000000000049A000-memory.dmpFilesize
616KB
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memory/1768-7-0x0000000000400000-0x000000000049A000-memory.dmpFilesize
616KB
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memory/1852-2-0x0000000000000000-mapping.dmp