Analysis
- max time kernel
150s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
02/11/2026, 10:32
Behavioral task
behavioral1
Sample
2026-11-01_b9eaff1335615a02ceba3c2414d68830_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260911-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-11-01_b9eaff1335615a02ceba3c2414d68830_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11ltsc2024-20260911-en
8 signatures
150 seconds
General
- Target 2026-11-01_b9eaff1335615a02ceba3c2414d68830_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 267KB
- Sample261102-mlbcyaswfv
- SHA256 45738370b28788ca33f6cdb7631106b6804e59fb17c4ded1b36b9fee58b96fcb
- MD5 b9eaff1335615a02ceba3c2414d68830
- SHA1 f993c65317c5cecdafe0aebf9fed00a60fb2dbe2
- SHA512 a990f03f7e39a6f04b01a8af213afd7c4b65f9e939cfa61e55cc9e949b33c4e4956ae7a07687ab00193134c734e9ea9562343a62219e0cfb5ffd19067feb8d1e
- SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNh3hNhH6M:ETWDKW1Lgbdl0TBBvjc/oVM6
- TLSH T11C44AE1275C1C1B3C466003545E6CB3D8A7B78210BF9D6C7BBDD9A6A2E513D0A73A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Family: BlihanStealer
Blihan is a stealer written in C++.
- Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/2756-0-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000600000001b85a-4.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2756-7-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3160-9-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/6044-10-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 TTPs 1 IoCs
pid Process 6044 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 6044 microsofthelp.exe 3160 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2714045687-1127350534-2056456672-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-11-01_b9eaff1335615a02ceba3c2414d68830_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 2026-11-01_b9eaff1335615a02ceba3c2414d68830_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 microsofthelp.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2026-11-01_b9eaff1335615a02ceba3c2414d68830_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 2756 wrote to memory of 6044 2756 2026-11-01_b9eaff1335615a02ceba3c2414d68830_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 90
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-11-01_b9eaff1335615a02ceba3c2414d68830_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-11-01_b9eaff1335615a02ceba3c2414d68830_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:2756 -
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:6044
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:3160
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 267KB
- SHA256 4a74ff5a59c84fe4a54319db97646c717e2a8b5cb06dfb678cdc0cb750561095
- MD5 d414ca69e61ecdced7c091637579e0ea
- SHA1 59b602c7a64deb1d90156928c3ed9fca8ac22675
- SHA512 1d3927f2dc214c543c5941a6b7f00d87850eca9dddbc896c4131de1351003937606b219743a5c3c6052593a879ec8b8c789d415c228adfbcf3ce09c406dafe5b
- SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNh3hNhH6i:ETWDKW1Lgbdl0TBBvjc/oVM6
- TLSH T1D644AF1275C1C1B3C466003545E6CB3D8A7B78210BF9D6D7BBDC9A6A2E513D0A33A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH