Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
04/08/2026, 05:41
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe
Resource
win10v2004-20260513-en
5 signatures
150 seconds
General
- Target 2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe
- Size 474KB
- Sample260804-gdms4sgp2x
- SHA256 3878da19daed2bd858a656f1c7e6638d08cc6a2f6eb33550e894ffd2434f63eb
- MD5 b9e4f835fde3c62213228eca68f211eb
- SHA1 f323331ff13c3a48930799b767c6a7003ba738a4
- SHA512 e55be6127c60ea4deac23103bb890ae53f047d775bb40ca563627adcb50ac0a24ab5307150f5e6f8411838c608134fafefaaad1953c25f363720d5c247b26f87
- SSDEEP 6144:Av9/qzrnuGXBCzraOjHElFnRdOsNtns8ciWPbDm6N9RFtRA:Ag49H61RgsNtbAdI
- TLSH T135A41902B7E99134F2F31B31AFB592655A7ABD629D35C60F23D41A0D0DB0980EA74B73
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- UPX dump on OEP (original entry point) 5 IoCs
resource yara_rule behavioral2/memory/5888-2-0x0000000000C20000-0x0000000000C35000-memory.dmp UPX behavioral2/memory/5888-3-0x0000000000C20000-0x0000000000C35000-memory.dmp UPX behavioral2/memory/5888-5-0x0000000000C20000-0x0000000000C35000-memory.dmp UPX behavioral2/memory/5888-8-0x0000000000C20000-0x0000000000C35000-memory.dmp UPX behavioral2/memory/5888-22-0x0000000000C20000-0x0000000000C35000-memory.dmp UPX - Drops autorun.inf file 1 TTPs 4 IoCs
Malware can abuse Windows Autorun to spread further via attached volumes.
description ioc Process File created C:\autorun.inf 2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe File opened for modification C:\autorun.inf 2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe File created F:\autorun.inf 2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe File opened for modification F:\autorun.inf 2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe -
resource yara_rule behavioral2/memory/5888-2-0x0000000000C20000-0x0000000000C35000-memory.dmp upx behavioral2/memory/5888-3-0x0000000000C20000-0x0000000000C35000-memory.dmp upx behavioral2/memory/5888-5-0x0000000000C20000-0x0000000000C35000-memory.dmp upx behavioral2/memory/5888-8-0x0000000000C20000-0x0000000000C35000-memory.dmp upx behavioral2/memory/5888-22-0x0000000000C20000-0x0000000000C35000-memory.dmp upx - Program crash 1 IoCs
pid pid_target Process procid_target 4384 5888 WerFault.exe 87 - System Location Discovery: System Language Discovery 1 TTPs 1 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 2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe"C:\Users\Admin\AppData\Local\Temp\2026-08-04_b9e4f835fde3c62213228eca68f211eb_bkransomware_elex_hawkeye_maze_remcos.exe"1⤵
- Drops autorun.inf file
- System Location Discovery: System Language Discovery
PID:5888 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5888 -s 5962⤵
- Program crash
PID:4384
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 5888 -ip 58881⤵PID:4348