Analysis
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max time kernel
138s -
max time network
155s -
platform
windows7_x64 -
resource
win7v200430 -
submitted
14-07-2020 13:41
Static task
static1
Behavioral task
behavioral1
Sample
zHc2LwlSQaUAlev.exe
Resource
win7v200430
Behavioral task
behavioral2
Sample
zHc2LwlSQaUAlev.exe
Resource
win10
General
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Target
zHc2LwlSQaUAlev.exe
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Size
992KB
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MD5
fae23a2a64b058a1b32f2720069ea39f
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SHA1
c7c9efc08ad04e6a308a220e4eec1e5761a40059
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SHA256
258970d034e0216fb43795b398996dad9542e23894dd3c31a886402b5ab6d438
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SHA512
3bffa72a8aff64d77c4e6f647d81860cfc31ad9e1133ff8dee393cee96c240085dbc18447801ac32d6330dfb476a03834b18ab24d1577a2fd04c8bfccadf8594
Malware Config
Extracted
C:\Users\Admin\AppData\Local\C8A579F880\Log.txt
masslogger
Signatures
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Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
zHc2LwlSQaUAlev.exepid process 1768 zHc2LwlSQaUAlev.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
zHc2LwlSQaUAlev.exepid process 1768 zHc2LwlSQaUAlev.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.
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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.
Processes:
flow ioc 4 api.ipify.org -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
zHc2LwlSQaUAlev.exedescription pid process target process PID 1312 wrote to memory of 1852 1312 zHc2LwlSQaUAlev.exe schtasks.exe PID 1312 wrote to memory of 1852 1312 zHc2LwlSQaUAlev.exe schtasks.exe PID 1312 wrote to memory of 1852 1312 zHc2LwlSQaUAlev.exe schtasks.exe PID 1312 wrote to memory of 1852 1312 zHc2LwlSQaUAlev.exe schtasks.exe PID 1312 wrote to memory of 1784 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1784 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1784 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1784 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe PID 1312 wrote to memory of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
zHc2LwlSQaUAlev.exezHc2LwlSQaUAlev.exedescription pid process Token: SeDebugPrivilege 1312 zHc2LwlSQaUAlev.exe Token: SeDebugPrivilege 1768 zHc2LwlSQaUAlev.exe -
Suspicious behavior: EnumeratesProcesses 3 IoCs
Processes:
zHc2LwlSQaUAlev.exezHc2LwlSQaUAlev.exepid process 1312 zHc2LwlSQaUAlev.exe 1768 zHc2LwlSQaUAlev.exe 1768 zHc2LwlSQaUAlev.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
zHc2LwlSQaUAlev.exedescription pid process target process PID 1312 set thread context of 1768 1312 zHc2LwlSQaUAlev.exe zHc2LwlSQaUAlev.exe -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
Processes
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C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe"C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetThreadContext
PID:1312 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hvEOgkqNBSsmP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE8A9.tmp"2⤵
- Creates scheduled task(s)
PID:1852 -
C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe"{path}"2⤵PID:1784
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C:\Users\Admin\AppData\Local\Temp\zHc2LwlSQaUAlev.exe"{path}"2⤵
- Suspicious use of SetWindowsHookEx
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1768