Analysis
- max time kernel
149s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
07/05/2026, 10:02
Behavioral task
behavioral1
Sample
2026-05-07_301440d1266ea12b5c8244e32a3471ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-07_301440d1266ea12b5c8244e32a3471ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-05-07_301440d1266ea12b5c8244e32a3471ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 451KB
- Sample260507-l21r4abs21
- SHA256 d712753633d5d4ab0ef1f1ad4216523b785b32e89d8a7f83e486ddc7f3bf25b2
- MD5 301440d1266ea12b5c8244e32a3471ae
- SHA1 ccda66fde5f6c7795f7472caf641b8a827a6948f
- SHA512 b3aa14887cc449082df2bf53dd140ba89217ec0187caa7818d0b111c851a4b6a83ab980d195f5b702d7df2bae2b233ee864ddad3c7cc46d6bc1f53e59cc1a81e
- SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T11DA4F12176C0C4B7D466103645EADB3D8A76BC210BF8D2C77BDC9B662E512D0973A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
Malware Config
Signatures
- Family: BlihanStealer
Blihan is a stealer written in C++.
- Custom signatureDetects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/792-0-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x002400000002b129-3.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/792-6-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3440-9-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3860-10-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 3860 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 3860 microsofthelp.exe 3440 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3847269522-1618051987-1942096715-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-05-07_301440d1266ea12b5c8244e32a3471ae_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 2026-05-07_301440d1266ea12b5c8244e32a3471ae_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 2026-05-07_301440d1266ea12b5c8244e32a3471ae_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 792 wrote to memory of 3860 792 2026-05-07_301440d1266ea12b5c8244e32a3471ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-07_301440d1266ea12b5c8244e32a3471ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-07_301440d1266ea12b5c8244e32a3471ae_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:792 -
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:3860
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:3440
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 451KB
- SHA256 0a2c332cb65c5af8b582d362997e98ab4c39f41751e181f4dc5b3d81669b6c35
- MD5 f4989d737ac4dafd038464fa916cc436
- SHA1 131230aa94239f3181e8652cd43d98ea21ee05f4
- SHA512 5487d3ab3cc7bf68b59d68bef81e0080bb5b025f219958f2b30b61f427fce3f79d7591610fdb91ea9de8df4398ae753e3530647c4f54b972d980cab746da5319
- SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T12AA4F12176C0C4B7D466103645EADB3D8A76BC210BF8D2C77BDC9B662E512D0973A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH