Analysis
- max time kernel
149s - max time network
154s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/04/2026, 03:48
Behavioral task
behavioral1
Sample
2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 299KB
- Sample260424-ecy4msd18w
- SHA256 9721eafb0f175f73404a7dfc092d62731fae100ac13ee3169d60eff21519c80c
- MD5 664bceaff9cee6788fbc2692bc96e253
- SHA1 9cdb07c9804a1566813be52b004019356ca53cd4
- SHA512 b753618e17f333b1f3d7c6fcf9898b4a32321eb6f55a50d70e99f2758ffaa0c716d79d9a5b0ad42dcbddfb554a9e4a550d883b90f0bf2058fd1d0b1223208896
- SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahND:een/WDKW1Lgbdl0TBBvjc/oVM6
- TLSH T14664AE1275C1C1B3C466003145E6DB3D8A7B78210BB9D6D7BBDCDA6A2E513D0E63A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Extracted
Family
-
blihanstealer
Mutex
-
pomdfghrt
Attributes
-
user_agent
Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; Trident/4.0; CIBA; .NET CLR 2.0.50727; .NET CLR 3.0.04506.648; .NET CLR 3.5.21022)
Signatures
- Family: BlihanStealer
Blihan is a stealer written in C++.
- Custom signatureDetects executables built or packed with MPress PE compressor 6 IoCs
resource yara_rule behavioral1/memory/1852-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x00080000000243e5-3.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/1484-6-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1852-5-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3936-8-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/1484-9-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 1484 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 1484 microsofthelp.exe 3936 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312252282-3884318443-358092420-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\microsofthelp.exe 2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe File created C:\Windows\HidePlugin.dll microsofthelp.exe - 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 2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language microsofthelp.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 1852 wrote to memory of 1484 1852 2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-24_664bceaff9cee6788fbc2692bc96e253_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\microsofthelp.exe"C:\Windows\microsofthelp.exe"2⤵
- Deletes itself
- Executes dropped EXE
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
PID:1484
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:3936
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 299KB
- SHA256 f64775618737d620a3554f08be37230e4c797f0c2e9e6c44bf55182077c22065
- MD5 4facd6583e5cd61d64f309a1fa3014f0
- SHA1 5d2d2b054ecdd53b7ce04ad28a188cbcee2d7560
- SHA512 009ab4a2e09e2c60b2160df2b4f8486ae47b535c3798c1636da9a4f736440c10c774c7ef18b0842ce2cbaf0ad9168d05bb78b8e002b54fef357e3e35837c8e1f
- SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNw:een/WDKW1Lgbdl0TBBvjc/oVM6
- TLSH T1C064AE1275C1C1B3C466003145E6DB3D8A7B78210BB9D6D7BBDCDA6A2E513D0E63A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH