Analysis
- max time kernel
148s - 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
26/04/2026, 10:43
Behavioral task
behavioral1
Sample
2026-04-26_59f639255e147b854698cbe3d7df2aa0_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-26_59f639255e147b854698cbe3d7df2aa0_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-04-26_59f639255e147b854698cbe3d7df2aa0_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 477KB
- Sample260426-msl31set5t
- SHA256 68017c94f47974a92313270fe4923b8386c15d8256fe294082337534c9e9d07d
- MD5 59f639255e147b854698cbe3d7df2aa0
- SHA1 77bb2147c1936b5b8ea2df14c7ed7db074502759
- SHA512 89e2916945a8602660d72aa0d93b37f69e0a6b29755843dcde43b51e0b1965c47b208f0da0a2518d01c13574a45c3eb33bf6f4918f5d93fcf76fc992e7c088c8
- SSDEEP 6144:W9nvWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdyXCB:WdQh1Lk70Tnvjc8MxdABSnLHOr2fXCB
- TLSH T17BA4E02175C1C4B7C466003505EADB3D8A7B7C210BF9D2D7BBDCDA6A2E512D0963A2CB
- 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/888-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x000900000000d3db-3.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/888-5-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/4476-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/2160-8-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 2160 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 2160 microsofthelp.exe 4476 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-04-26_59f639255e147b854698cbe3d7df2aa0_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 2026-04-26_59f639255e147b854698cbe3d7df2aa0_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 2026-04-26_59f639255e147b854698cbe3d7df2aa0_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 888 wrote to memory of 2160 888 2026-04-26_59f639255e147b854698cbe3d7df2aa0_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 79
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-26_59f639255e147b854698cbe3d7df2aa0_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-26_59f639255e147b854698cbe3d7df2aa0_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:888 -
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:2160
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:4476
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 478KB
- SHA256 2461cd710e51e1dc60274b388aa322c41f548501a4f2260eac073be2149424e6
- MD5 d1a2c3ba84f778ae50a6ac2c5a119612
- SHA1 a283b1d32e09abb9dab1d8dde7f23cfe1252bcac
- SHA512 954e39e7c12162ac5a42329e64e84e090c0df4b96be223f5f46b022e052f8e85ac794f773acb5154ae8ad66a508c25f0c621c8057cf2ae4b046a0b6a346a2a16
- SSDEEP 6144:W9nvWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdyXCB:WdQh1Lk70Tnvjc8MxdABSnLHOr2fXCB
- TLSH T1C7A4E02175C1C4B7C466003505EADB3D8A7B7C210BF9D2D7BBDCDA6A2E512D0963A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH