Analysis
- max time kernel
149s - max time network
138s - 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, 09:37
Behavioral task
behavioral1
Sample
2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 297KB
- Sample260416-llppwsbz8k
- SHA256 598de49501486b16bf6690d65b72e02ce67d5849c2c852d24421fd74c05a8bce
- MD5 032a71654574220b54507ff98e6dc2a2
- SHA1 e08eeff4a7ba5cb0ada7249d05c4d12548c8c32b
- SHA512 5aa9dae36cc9a4f1f9733b1dfcf57fed015680833f0fc52c2ade6f4d846cb659d8195187100b048c44a5de36f3b552b977705ba763e96cdffd8b694c59f1a184
- SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNe:W9nvWDKW1Lgbdl0TBBvjc/oVM6
- TLSH T17D54AE1275C1C1B3C462003145E6DB3D9A7B78210BF9D6D7BBDC9A6A2E513D0E63A2CB
- 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++.
- Custom signatureDetects executables built or packed with MPress PE compressor 5 IoCs
resource yara_rule behavioral2/memory/2072-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/files/0x004f00000002b191-3.dat INDICATOR_EXE_Packed_MPress behavioral2/memory/2072-5-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3680-9-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral2/memory/3632-11-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 3632 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 3632 microsofthelp.exe 3680 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\HidePlugin.dll microsofthelp.exe File created C:\Windows\microsofthelp.exe 2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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_032a71654574220b54507ff98e6dc2a2_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 2072 wrote to memory of 3632 2072 2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 80
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-16_032a71654574220b54507ff98e6dc2a2_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-16_032a71654574220b54507ff98e6dc2a2_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:2072 -
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:3632
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:3680
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 297KB
- SHA256 a4513286fa0e19725a4d464709b5825ffbfa72a507023943c03c6cafd5643f8c
- MD5 a7e1ce3cc756d74e243d2d09d93e3e8e
- SHA1 4a4add9f7748a36c8123de5dbaa2076dbd530e83
- SHA512 de84c955867ad898fb299d8578e8796a75088440fef95ec714c476d20ba019e428b26ddb6c1bead01187d7a4cb06dc28e85d558d1ff85a3c9e94907b30df60e3
- SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNW:W9nvWDKW1Lgbdl0TBBvjc/oVM6
- TLSH T19854AE1275C1C1B3C462003145E6DB3D9A7B78210BF9D6D7BBDC9A6A2E513D0E63A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH