Analysis
-
max time kernel
146s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20220721-en -
resource tags
arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system -
submitted
31-07-2022 05:01
Static task
static1
Behavioral task
behavioral1
Sample
e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe
Resource
win7-20220718-en
windows7-x64
3 signatures
150 seconds
General
-
Target
e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe
-
Size
280KB
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MD5
062c777eee936d3b7d4f0eda94298251
-
SHA1
2dfa19103143f99afd688265a83a08b6aa8794a5
-
SHA256
e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b
-
SHA512
11fa3efaed4a32f43a24f3e8e20855259a72dd427e7ee744b2a4b26c20b8ccb9edd56056f841dfa0f7c66ffe5bb49d882f57f0729599ac2ef99116e2a519c4a9
Malware Config
Extracted
Family
netwire
C2
185.244.129.107:3360
Attributes
-
activex_autorun
false
-
copy_executable
false
-
delete_original
false
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host_id
HostId-%Rand%
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keylogger_dir
%AppData%\Lols\
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lock_executable
false
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mutex
HDDkuTxC
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offline_keylogger
true
-
password
Password
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registry_autorun
false
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use_mutex
true
Signatures
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NetWire RAT payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/732-132-0x0000000000630000-0x000000000065C000-memory.dmp netwire -
Modifies registry class 18 IoCs
Processes:
e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\E31F85~1.EXE,0" e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\open\command e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\printto\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\E31F85~1.EXE /pt \"%1\" \"%2\" \"%3\" \"%4\"" e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.srl\ = "GenericSerializeDemo.Document" e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\DefaultIcon e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\printto\command e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\printto e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.srl e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.srl\ShellNew\NullFile e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\ = "Generi Document" e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\E31F85~1.EXE \"%1\"" e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\print\command e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\print\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\E31F85~1.EXE /p \"%1\"" e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\open e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\GenericSerializeDemo.Document\shell\print e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.srl\ShellNew e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exepid process 1876 e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exedescription pid process target process PID 1876 wrote to memory of 732 1876 e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe wermgr.exe PID 1876 wrote to memory of 732 1876 e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe wermgr.exe PID 1876 wrote to memory of 732 1876 e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe wermgr.exe PID 1876 wrote to memory of 732 1876 e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe wermgr.exe PID 1876 wrote to memory of 732 1876 e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe wermgr.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe"C:\Users\Admin\AppData\Local\Temp\e31f852fa88e730c8a6ff833b58a259fecdec0443ad81895ba97c92320027e6b.exe"1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1876 -
C:\Windows\SysWOW64\wermgr.exe"C:\Windows\System32\wermgr.exe"2⤵PID:732