Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system - submitted
07/10/2024, 08:12
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
Packing list of BMS32992-01.exe
Resource
win7-20240729-en
7 signatures
150 seconds
General
- Target Packing list of BMS32992-01.exe
- Size 813KB
- Sample241007-j3v7wsvelj
- SHA256 bf4ab91b352744a5ac16ef96f4c25405b993ded0aeaed9c09efbddab513877b9
- MD5 b078d060310870d22f047a9533dac46d
- SHA1 a57062dec0e8ade022cd834c75acab6576a6bc26
- SHA512 f20ae4ae7deb817c3635ce2767a5c7115416aad44757ebb44b3bd7e58e0790db8f2982a461ffcd5d1b8ea0865040ffabdf606a6ce0d784975381b8e64c7f1264
- SSDEEP 24576:XyqDYmVQ774odEpxgdqLldm1EeOVZqRW:XyqDhm78oUgsd2ETZm
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Signatures
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 1604 powershell.exe - Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation Packing list of BMS32992-01.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4152 set thread context of 5112 4152 Packing list of BMS32992-01.exe 92 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 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 Packing list of BMS32992-01.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language powershell.exe - Suspicious behavior: EnumeratesProcesses 18 IoCs
pid Process 4152 Packing list of BMS32992-01.exe 4152 Packing list of BMS32992-01.exe 1604 powershell.exe 1604 powershell.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe 5112 Packing list of BMS32992-01.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4152 Packing list of BMS32992-01.exe Token: SeDebugPrivilege 1604 powershell.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4152 wrote to memory of 1604 4152 Packing list of BMS32992-01.exe 89 PID 4152 wrote to memory of 1604 4152 Packing list of BMS32992-01.exe 89 PID 4152 wrote to memory of 1604 4152 Packing list of BMS32992-01.exe 89 PID 4152 wrote to memory of 1700 4152 Packing list of BMS32992-01.exe 91 PID 4152 wrote to memory of 1700 4152 Packing list of BMS32992-01.exe 91 PID 4152 wrote to memory of 1700 4152 Packing list of BMS32992-01.exe 91 PID 4152 wrote to memory of 5112 4152 Packing list of BMS32992-01.exe 92 PID 4152 wrote to memory of 5112 4152 Packing list of BMS32992-01.exe 92 PID 4152 wrote to memory of 5112 4152 Packing list of BMS32992-01.exe 92 PID 4152 wrote to memory of 5112 4152 Packing list of BMS32992-01.exe 92 PID 4152 wrote to memory of 5112 4152 Packing list of BMS32992-01.exe 92 PID 4152 wrote to memory of 5112 4152 Packing list of BMS32992-01.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\Packing list of BMS32992-01.exe"C:\Users\Admin\AppData\Local\Temp\Packing list of BMS32992-01.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4152 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Packing list of BMS32992-01.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1604
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C:\Users\Admin\AppData\Local\Temp\Packing list of BMS32992-01.exe"C:\Users\Admin\AppData\Local\Temp\Packing list of BMS32992-01.exe"2⤵PID:1700
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C:\Users\Admin\AppData\Local\Temp\Packing list of BMS32992-01.exe"C:\Users\Admin\AppData\Local\Temp\Packing list of BMS32992-01.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
PID:5112
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hlmlppts.ltz.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512