Analysis
- max time kernel
149s - max time network
152s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
17/04/2026, 03:42
Behavioral task
behavioral1
Sample
2026-04-17_5936f918a14a13ae917c7886620b8570_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-17_5936f918a14a13ae917c7886620b8570_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-04-17_5936f918a14a13ae917c7886620b8570_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 473KB
- Sample260417-d9geeshv7x
- SHA256 b091ede6606c56ec322c90b46cb66009abf559091a401803f3d775cfb9520004
- MD5 5936f918a14a13ae917c7886620b8570
- SHA1 e7d2eafc2f7feead021ad74ef7be72dfd120f6e4
- SHA512 cac05b97ce3bf01e4f2a1751b39368e6d994dbe852b66faf3648a28b4eedf41d96edf52b11463a6a3218b74b31058370f89152932f7bcc3eeb18077139a644a0
- SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T1D7A4E02275C1C4B7C466003105EADB3D8A7B78610BF9D2D7BBDCDB662E512D0963A2CB
- 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++.
- Detects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/3332-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000500000000d444-3.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/3332-5-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4368-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4244-9-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 4244 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 4244 microsofthelp.exe 4368 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" 2026-04-17_5936f918a14a13ae917c7886620b8570_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 2026-04-17_5936f918a14a13ae917c7886620b8570_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 2026-04-17_5936f918a14a13ae917c7886620b8570_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 3332 wrote to memory of 4244 3332 2026-04-17_5936f918a14a13ae917c7886620b8570_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-17_5936f918a14a13ae917c7886620b8570_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-17_5936f918a14a13ae917c7886620b8570_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:3332 -
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:4244
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:4368
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 473KB
- SHA256 69a85c137e5e4b4a512811a91e7e1b8ad63d53e143e9568c1e21f5b3aa4fe0b6
- MD5 f2ed5ce68b9ae92d7897a8e1ffdcc964
- SHA1 e987e1d132b7c5441b573b4791c886ad61f69d20
- SHA512 c00bc072ac8b9d4204023c8c40eab4ce382a31038d88571a858a4ca485a13f0065ba4968977880aa5a3fcdde4e67e906ed5ebc10ca095f7dca85a860e8d5e690
- SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
- TLSH T19EA4E02175C1C4B7C466003105EADB3D8A7B78610BF9D2D7BBDCDB6A2E512D096392CB
- MD5 SHA1 SHA512 SSDEEP TLSH