blihanstealer | 55a7246037f42fe27ba811b33032e4504546165fc8e81c85b3118740a9567132

Analysis

max time kernel
150s
max time network
121s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260706-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260706-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/07/2026, 03:48

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General

Target
2026-07-06_5323c606e0613b67b9656d61223da42a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 297KB
Sample260707-ec9kdaet7l
SHA256 55a7246037f42fe27ba811b33032e4504546165fc8e81c85b3118740a9567132
MD5 5323c606e0613b67b9656d61223da42a
SHA1 21ac2d84e8b92dcd140f0a832fad652af3b61911
SHA512 16d7e2769c638ca8c0404a39e670204dafee04da38f03bd08e362c2900b0c0e7531d46bf56fbc2224e4eb2b30b6f2e5f709a802ed1481ce1f69f34e7bf16cd0b
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN8:een/WDKW1Lgbdl0TBBvjc/oVM6W
TLSH
T1C054AE1275C1C1B3C466003145E6DB3D9A7B78210BF9D2D7BBDC9A6A2E513D0E63A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery blihanstealer persistence stealer trojan

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++.
trojan stealer blihanstealer

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/2324-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001b30c-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2324-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5908-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5992-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5992	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5992	microsofthelp.exe
5908	microsofthelp.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1921861047-1272335887-115070671-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-07-06_5323c606e0613b67b9656d61223da42a_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	2026-07-06_5323c606e0613b67b9656d61223da42a_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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-07-06_5323c606e0613b67b9656d61223da42a_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 2324 wrote to memory of 5992	2324	2026-07-06_5323c606e0613b67b9656d61223da42a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-06_5323c606e0613b67b9656d61223da42a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-06_5323c606e0613b67b9656d61223da42a_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:2324
- 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:5992

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5908

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 298KB
SHA256 3968e80afa66de3e4469f1cd4500634815505b9f3f7ec96b84a7b8f9cc91cd3d
MD5 386622b29ed0ea342667500a4dd9ce4c
SHA1 f0249f5e0c2c68f26bfb4e23a95d95a283b10d63
SHA512 2b72364b320ede6311dd07f267df810f695fbcdcaf60a8222c174c81e5c0984cf0fae61d09a69908121c8a487ceed427eea5fd688c35736d904cc3902a5681ae
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNC:een/WDKW1Lgbdl0TBBvjc/oVM6W
TLSH
T10D54AE1275C1C1B3C466003145E6DB3D9A7B78210BF9D2D7BBDC9A6A2E513D0E63A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2324-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2324-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5908-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/5992-9-0x0000000000400000-0x000000000040F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads