Analysis
- max time kernel
149s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
15/04/2026, 22:19
Behavioral task
behavioral1
Sample
2026-04-15_6070349156ba6e210e4b95e65f4de08f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win10v2004-20260130-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
2026-04-15_6070349156ba6e210e4b95e65f4de08f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Resource
win11-20260130-en
8 signatures
150 seconds
General
- Target 2026-04-15_6070349156ba6e210e4b95e65f4de08f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
- Size 295KB
- Sample260415-18tppaa13n
- SHA256 b9189c0233475b60e552223b3bd9b3c45fa8a569b8f0a540b0b2e667056ad67c
- MD5 6070349156ba6e210e4b95e65f4de08f
- SHA1 9febc9e4385091d3db700c4a4457f96061aa7559
- SHA512 a5fbfe4c1403f84b6da2e8ab8dc97d551a32259f29b46c29532bb8142edefd8f1ea551d164b94fec30248e544d7f4f8ff75c37568bec4dddeebc9d614faf6298
- SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNe:een/WDKW1Lgbdl0TBBvjc/oVM6
- TLSH T13754AF1275C1C1B3C466003145E6CB3D9A7B78210BB9D6D7BBDCDA6A2E513D0E63A2CB
- 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 behavioral1/memory/4712-0-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/files/0x000a00000001f15c-3.dat INDICATOR_EXE_Packed_MPress behavioral1/memory/4712-5-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/3700-7-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress behavioral1/memory/4732-8-0x0000000000400000-0x000000000040F000-memory.dmp INDICATOR_EXE_Packed_MPress - Deletes itself 1 IoCs
pid Process 4732 microsofthelp.exe - Executes dropped EXE 2 IoCs
pid Process 4732 microsofthelp.exe 3700 microsofthelp.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-721190819-434563495-2007910846-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe" 2026-04-15_6070349156ba6e210e4b95e65f4de08f_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 2026-04-15_6070349156ba6e210e4b95e65f4de08f_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 2026-04-15_6070349156ba6e210e4b95e65f4de08f_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 4712 wrote to memory of 4732 4712 2026-04-15_6070349156ba6e210e4b95e65f4de08f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\2026-04-15_6070349156ba6e210e4b95e65f4de08f_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"C:\Users\Admin\AppData\Local\Temp\2026-04-15_6070349156ba6e210e4b95e65f4de08f_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:4712 -
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:4732
-
-
C:\Windows\microsofthelp.exeC:\Windows\microsofthelp.exe1⤵
- Executes dropped EXE
PID:3700
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Windows\microsofthelp.exe
- Size 295KB
- SHA256 dfe9bb6fbcb6ce56fe70325869a0b3de1c993a1e8c2d35088b007495b61ed1da
- MD5 6f39a1ba29a64af9e7ffd5c1582e1c2f
- SHA1 3b6f3a8eaa63f80dd5f0df840ac0a00645ff2cdf
- SHA512 68c4603d87f6a9db8c0a9e7f7d4805da1035b45e3001a25f8af891a5c17f97a157e8e0756f567fc046810cbb8097cce1a7b110e5f4ddcc85e47b84d0bfc7cc91
- SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN4:een/WDKW1Lgbdl0TBBvjc/oVM6
- TLSH T19754AF1275C1C1B3C466003145E6CB3D9A7B78210BB9D6D7BBDCDA6A2E513D0E63A2CB
- MD5 SHA1 SHA512 SSDEEP TLSH