Analysis
- max time kernel
155s - max time network
159s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
19/02/2022, 09:23
Static task
static1
Behavioral task
behavioral1
Sample
9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe
Resource
win7-en-20211208
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe
Resource
win10v2004-en-20220113
0 signatures
0 seconds
General
- Target 9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe
- Size 895KB
- Sample220219-lcseesach4
- SHA256 9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693
- MD5 c549db675808f888c78e3d1b72b57cdd
- SHA1 7a3b11bcd1caa4b729b12fb262c2079d74bd0ece
- SHA512 2486ed0c577c7e40d8e33346dacae3137d43fd0d5d46a5c1acc3187e2470a97af52b99581769484f4edaf4f5f3aa0642e49fa65126ba7ea075f9ae8b122e0a24
- MD5 SHA1 SHA512
Score
10/10
Malware Config
Signatures
- NetWire RAT payload 1 IoCs
resource yara_rule behavioral2/memory/820-132-0x0000000000400000-0x000000000041E000-memory.dmp netwire - Executes dropped EXE 2 IoCs
pid Process 3644 Processname.exe 820 Processname.exe - Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce Processname.exe Set value (str) \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Microsoft Corporation LYODPbcCUfHgBTeD = "C:\\Users\\Admin\\AppData\\Roaming\\LYODPbcCUfHgBTeD.exe" Processname.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3644 set thread context of 820 3644 Processname.exe 82 - autoit_exe 3 IoCs
AutoIT scripts compiled to PE executables.
resource yara_rule behavioral2/files/0x000600000001e7cc-130.dat autoit_exe behavioral2/files/0x000600000001e7cc-131.dat autoit_exe behavioral2/files/0x000600000001e7cc-135.dat autoit_exe - Drops file in Windows directory 6 IoCs
description ioc Process File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log svchost.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- NTFS ADS 4 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\LYODPbcCUfHgBTeD.exe:Zone.Identifier:$DATA Processname.exe File created C:\Users\Admin\AppData\Roaming\Processname.exe:Zone.Identifier:$DATA 9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe File created C:\Users\Admin\AppData\Roaming\LYODPbcCUfHgBTeD.exe\:Zone.Identifier:$DATA Processname.exe File opened for modification C:\Users\Admin\AppData\Roaming\Processname.exe:Zone.Identifier:$DATA Processname.exe - Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 3644 Processname.exe 3644 Processname.exe 3644 Processname.exe 3644 Processname.exe 3644 Processname.exe 3644 Processname.exe - Suspicious use of AdjustPrivilegeToken 6 IoCs
description pid Process Token: SeShutdownPrivilege 3184 svchost.exe Token: SeCreatePagefilePrivilege 3184 svchost.exe Token: SeShutdownPrivilege 3184 svchost.exe Token: SeCreatePagefilePrivilege 3184 svchost.exe Token: SeShutdownPrivilege 3184 svchost.exe Token: SeCreatePagefilePrivilege 3184 svchost.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2488 wrote to memory of 3644 2488 9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe 81 PID 2488 wrote to memory of 3644 2488 9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe 81 PID 2488 wrote to memory of 3644 2488 9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe 81 PID 3644 wrote to memory of 820 3644 Processname.exe 82 PID 3644 wrote to memory of 820 3644 Processname.exe 82 PID 3644 wrote to memory of 820 3644 Processname.exe 82 PID 3644 wrote to memory of 820 3644 Processname.exe 82 PID 3644 wrote to memory of 820 3644 Processname.exe 82
Processes
-
C:\Users\Admin\AppData\Local\Temp\9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe"C:\Users\Admin\AppData\Local\Temp\9e94d03c8af6ca9d5ea7cfbf481970c615d0831452fe0edb2a8abcae8c190693.exe"1⤵
- NTFS ADS
- Suspicious use of WriteProcessMemory
PID:2488 -
C:\Users\Admin\AppData\Roaming\Processname.exeC:\Users\Admin\AppData\Roaming\Processname.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- NTFS ADS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3644 -
C:\Users\Admin\AppData\Roaming\Processname.exe"C:\Users\Admin\AppData\Roaming\Processname.exe"3⤵
- Executes dropped EXE
PID:820
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-
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3184