Analysis
- max time kernel
149s - max time network
151s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
09/05/2026, 10:45
Behavioral task
behavioral1
Sample
2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 453KB
- Sample260509-mtfmmaft8x
- SHA256 e22cc0679aef5787729e0549d67646621c5df0320ed40d913c36c638dde74d2d
- MD5 a9ca5f65b3b92d2eeb3ad56d6816159f
- SHA1 6e05f70904db9de6cde4fae1b44b5f973e6e1136
- SHA512 3137e193a1455abe02c89b5b3f382645ada41a8e5b5496a7d4df5129c26b562cf406847540559f1520a25e3472a79e6256a93379769ca5f3acc7d1acb75aa5c3
- SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T1B1A4F12176C0C4B7D466103645EADB3D8A76BC210BF8D2C77BDC9B662E512D0973A2CB
- 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/712-0-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x002300000002b1f9-3.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/712-6-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2576-8-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/1180-9-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 1180 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 1180 microsofthelp.exe 2576 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_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 2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_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 2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_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 712 wrote to memory of 1180 712 2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-05-09_a9ca5f65b3b92d2eeb3ad56d6816159f_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:712 -
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:1180
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:2576
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 453KB
- SHA256 84a5d9b40f3365d0d9b1738185150b30d6ccf28ecd6d7d29ca7be8ddd0b95750
- MD5 b134b002628d7c55effc5065ef1c32c9
- SHA1 be49d32c3e4fcf2c2532700e510f15996ef70bb6
- SHA512 48e39099a0a35e28380eb8c13a8b5c052914890f9672025e3e460473a0cc2ca63ab5bb4bc6f940448b4c8d49df442f09307e6ef348de35172a3a0218b8dcfa64
- SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T147A4F12175C1C4B7C466103646EADB3D8A76BC210BF8D2C77BDC9B662E512D0973A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH