Analysis
- max time kernel
24s - max time network
28s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
04/11/2024, 06:38
Static task
static1
Behavioral task
behavioral1
Sample
Application.bat
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
Application.bat
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
lua.exe
Resource
win7-20240708-en
Behavioral task
behavioral4
Sample
lua.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
lua51.dll
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
lua51.dll
Resource
win10v2004-20241007-en
General
- Target Application.bat
- Size 6KB
- Sample241104-heflvswhlr
- SHA256 0f31042be5c136b8e937138dd205f55d9bd6d7a005ec2b385d1f3818ee2e37fc
- MD5 36123650269920b253a26d6a90975b15
- SHA1 df2b4538626f0ae195ed1b5e158f1eecc59bd43c
- SHA512 93aca7ddc04a1dc33b17934dda40f938ff5f1334cba7ee858b43a3a08a8f9bd116419e55a9ead4145ca4cd997d0a313aabba160f7d346ebdb46582696bfa9d72
- SSDEEP 3:LjeKHDF7/+ZFBW6:7OFV
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 1636 powershell.exe 756 powershell.exe 1636 powershell.exe - Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 7 ip-api.com - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Setup\Scripts\ErrorHandler.cmd lua.exe - System Location Discovery: System Language Discovery 1 TTPs 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language lua.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language schtasks.exe - Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 2836 schtasks.exe 1420 schtasks.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1636 powershell.exe 1636 powershell.exe 756 powershell.exe 756 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1636 powershell.exe Token: SeDebugPrivilege 756 powershell.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4672 wrote to memory of 2188 4672 cmd.exe 85 PID 4672 wrote to memory of 2188 4672 cmd.exe 85 PID 4672 wrote to memory of 2188 4672 cmd.exe 85 PID 2188 wrote to memory of 1636 2188 lua.exe 90 PID 2188 wrote to memory of 1636 2188 lua.exe 90 PID 2188 wrote to memory of 1636 2188 lua.exe 90 PID 1636 wrote to memory of 756 1636 powershell.exe 95 PID 1636 wrote to memory of 756 1636 powershell.exe 95 PID 1636 wrote to memory of 756 1636 powershell.exe 95 PID 2188 wrote to memory of 2836 2188 lua.exe 101 PID 2188 wrote to memory of 2836 2188 lua.exe 101 PID 2188 wrote to memory of 2836 2188 lua.exe 101 PID 2188 wrote to memory of 1420 2188 lua.exe 102 PID 2188 wrote to memory of 1420 2188 lua.exe 102 PID 2188 wrote to memory of 1420 2188 lua.exe 102
Processes
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Application.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:4672 -
C:\Users\Admin\AppData\Local\Temp\lua.exelua.exe cache.txt2⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exepowershell "Start-Process <#amcddyxvoegzk#> powershell <#knlcgykjsstbhxcikzo#> -Verb <#tjbgshemuupmn#> runAs" -WindowStyle hidden -Argument 'Add-MpPreference -ExclusionPath $env:SystemDrive -ExclusionExtension .exe, .dll -Force'3⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath $env:SystemDrive -ExclusionExtension .exe, .dll -Force4⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:756
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc daily /st 13:18 /f /tn WindowsDefenderScheduledScan_ODA3 /tr ""C:\Users\Admin\AppData\Local\ODA3\ODA3.exe" "C:\Users\Admin\AppData\Local\ODA3\cache.txt""3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:2836
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /sc daily /st 13:18 /f /tn Setup /tr "C:/Windows/System32/oobe/Setup.exe" /rl highest3⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
PID:1420
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
- Size 1KB
- SHA256 aa1c97cdbce9a848f1db2ad483f19caa535b55a3a1ef2ad1260e0437002bc82c
- MD5 def65711d78669d7f8e69313be4acf2e
- SHA1 6522ebf1de09eeb981e270bd95114bc69a49cda6
- SHA512 05b2f9cd9bc3b46f52fded320b68e05f79b2b3ceaeb13e5d87ae9f8cd8e6c90bbb4ffa4da8192c2bfe0f58826cabff2e99e7c5cc8dd47037d4eb7bfc6f2710a7
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 15KB
- SHA256 3190e0a0712d4320467bf804f0b6663705a40fb336b9e1cdc5f2c8d0983611b5
- MD5 766cd51e31acdbbd53e2d3305fdc19e5
- SHA1 c52b45148a0d24d556b3f3fd0c76476aa670f384
- SHA512 cdcf24ec124c1b114d2a114c9382813f95d55ce49dd82c710687051b4fe2275672a33947742d13b8b996181e1e225c23b4ee46ca8c8d387eec38c7dc54978760
- SSDEEP 384:Lrf+2W/9i+309GBgzJkjo9oJltTHzK6seYsME/t03SoZDfYSg2jEEQ:ffKggmeUoZTHzN7rWSyWUEEQ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_onqidkk0.txq.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512