Analysis
- max time kernel
149s - max time network
149s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
16/04/2026, 11:37
Behavioral task
behavioral1
Sample
2026-04-16_68712736edc6fb18778b496139bf07ba_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-16_68712736edc6fb18778b496139bf07ba_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-04-16_68712736edc6fb18778b496139bf07ba_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 450KB
- Sample260416-nrjryagy6z
- SHA256 0cc5f8eb10ad496341d9cb3515edfdaad8c3e4cf04f2d26fee09f08d800191f7
- MD5 68712736edc6fb18778b496139bf07ba
- SHA1 041fb609a33ab0f06143d631cd62915c178d41d9
- SHA512 98e3ca078a00283e67e623e9e333fb4818dfdbad193b472da2c00adb0ece280b23748ff41d94550da5967ad2923f5a5bf5141f53f43bdc159dc2d5aa84ea17a1
- SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T1B3A4F12176C0C4B7D466103645EADB3D8A76BC210BF8D2C77BDC9B662E512D0973A2CB
- 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 6 IoCs
resource yara_rule behavioral2/memory/5972-0-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000c000000027002-3.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/5972-6-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2000-5-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/5060-9-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2000-11-0x0000000000400000-0x000000000040E000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 2000 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 2000 microsofthelp.exe 5060 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-600123060-2148212387-2211176695-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-04-16_68712736edc6fb18778b496139bf07ba_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 2026-04-16_68712736edc6fb18778b496139bf07ba_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 2026-04-16_68712736edc6fb18778b496139bf07ba_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 5972 wrote to memory of 2000 5972 2026-04-16_68712736edc6fb18778b496139bf07ba_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-16_68712736edc6fb18778b496139bf07ba_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-16_68712736edc6fb18778b496139bf07ba_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:5972 -
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:2000
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:5060
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 450KB
- SHA256 d770dc3b179b135263b293fb14bda10035561843e5294b6ccf4293418af631b0
- MD5 f22e70c471f8646627796f28089383a7
- SHA1 dab318b8167a402388c7f1238a155b247f89ba84
- SHA512 81cb58f3f962ce2d3639764a7ff0f9d87ba535109377c3efd47bf605413fdbb03cf9a166bd5852a837d5dcaccfb6ab4c97f6e6281ee9eabac236c92617b6a5f7
- SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T14DA4F12176C0C4B7D466103645EADB3D8A76BC210BF8D2C77BDC9B662E512D0973A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH