Analysis
- max time kernel
149s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
21/04/2026, 11:33
Behavioral task
behavioral1
Sample
88-ije.oo.exe
Resource
win10v2004-20260130-en
7 signatures
150 seconds
General
- Target 88-ije.oo.exe
- Size 89.1MB
- Sample260421-nn71csdx2k
- SHA256 0db9dd9882f27357be88527b19240b86495cf5fef5c9fccfdb8776485b091c08
- MD5 fa55e12f8d16d1146715776972f9244c
- SHA1 e72b93bd1fab02ed893c866be331933707bc6d6f
- SHA512 2749fdfe90372bb6ddaf0df5d3de7bbfa433dbf94145c7f0f662aec03e367b2c3287496ffeb0f9d3c03e5e674a07371080bf6bd2259b4ace21b509b953923196
- SSDEEP 1572864:f6TNu+Ov1zPENSL09SktUXnARViC+17XUrKCvgX62SWEwu0iLxkz9Fg6n:f6TNu+EpPENbTf1AX+K+gK+upLxS9Ft
- TLSH T1132833726BC4F847D39ADD73EE411D9ACC766813D280752B86C435DCAAF6502CB39AB0
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- 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-1-5-21-745935970-1373868228-562466063-1000\Control Panel\International\Geo\Nation 88-ije.oo.exe -
resource yara_rule behavioral1/memory/3128-0-0x0000000000400000-0x000000000045A000-memory.dmp upx behavioral1/memory/3128-14-0x0000000000400000-0x000000000045A000-memory.dmp upx - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
pid pid_target Process procid_target 692 1624 WerFault.exe 85 - 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 88-ije.oo.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mshta.exe - Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-745935970-1373868228-562466063-1000_Classes\Local Settings 88-ije.oo.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3128 wrote to memory of 1624 3128 88-ije.oo.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\88-ije.oo.exe"C:\Users\Admin\AppData\Local\Temp\88-ije.oo.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3128 -
C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\AppData\Local\Temp\setup-install.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}2⤵
- System Location Discovery: System Language Discovery
PID:1624 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 17243⤵
- Program crash
PID:692
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1624 -ip 16241⤵PID:4092
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\setup-install.hta
- Size 4.1MB
- SHA256 f64adc3a15a6b694578c8208734a09bbdbb0ed672c04a9ad1373f678d4f93a88
- MD5 4366596d1e8cd2d01049814a41e096a6
- SHA1 da33fb87c1e605d49ac61e5a095095bb9352dcab
- SHA512 dd4e011be9d83a53fd0f9e86e5eef3af45ff7be2d64007da0eb9815a561b17e9d395611566c1825d3b33aededee0818ac70e9cb5f41fa1e12399f3bb25742ce6
- SSDEEP 98304:NNKqxfB57ZnR0JISwktS4ZOt85ZiR2JYVT2+:KqhjZezfFO2Zimi2+
- TLSH T12C16F1B16E81F80B17ADDE73BF091DE9AC7A5963A2C0715B82C035D861F8106CB65EF4
- MD5 SHA1 SHA512 SSDEEP TLSH