blihanstealer | 5842e05c645cf3f50849f274504763b44c7c933321ece8d358a2ac8d13fad916

Analysis

max time kernel
149s
max time network
141s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/10/2026, 01:04

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General

Target
2026-10-26_fdb9964f273f3a06eff052d1a6b0c11a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 288KB
Sample261027-be2e1azzcy
SHA256 5842e05c645cf3f50849f274504763b44c7c933321ece8d358a2ac8d13fad916
MD5 fdb9964f273f3a06eff052d1a6b0c11a
SHA1 c37b38bd213d0ce7916a6dc82c1828ec81c91b57
SHA512 5eb3fdaf95af46e725810898f71c8ca682539a144660f18484c1ce808d2eadea7bf02254bde19f2a18208e2e4acd202d02a153386af0e7281af43f507621866b
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN5:een/WDKW1Lgbdl0TBBvjc/oVM6
TLSH
T1CA54AF1275C1C1B3C466003145E6CB3D9A7F78210BB9D6D7BBDC9B7A2E613D0963A2CA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/4672-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b85a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4672-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2824-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1632-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1632	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1632	microsofthelp.exe
2824	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-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-26_fdb9964f273f3a06eff052d1a6b0c11a_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	2026-10-26_fdb9964f273f3a06eff052d1a6b0c11a_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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-26_fdb9964f273f3a06eff052d1a6b0c11a_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 4672 wrote to memory of 1632	4672	2026-10-26_fdb9964f273f3a06eff052d1a6b0c11a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-26_fdb9964f273f3a06eff052d1a6b0c11a_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_fdb9964f273f3a06eff052d1a6b0c11a_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:4672
- 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:1632

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2824

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

Indicator Removal

T1070

File Deletion

T1070.004

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 288KB
SHA256 b6a50ba1ba3625e8840adcc53046d5de7c3b33c6e4e3231c1972583e4c4cef2d
MD5 f732c03dd10c8e79caaa4553e15012b7
SHA1 913b3bc4a1d979ce15019480870ac7b6af194175
SHA512 9a20076a153242bffb1df0b17e8f4b255b7d496382a627df03d2a707065341ff2d0a55c079bea2df407794e3df202ac47e5b6efb99351df77536cae017c6f24e
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNg:een/WDKW1Lgbdl0TBBvjc/oVM6
TLSH
T1A254AF1275C1C1B3C466003145E6CB3D9A7F78210BB9D6D7B7DC9B7A2E613D0A63A2CA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1632-9-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2824-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4672-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4672-5-0x0000000000400000-0x000000000040F000-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