blihanstealer | efd8590ab5debc877e75904f3cfafd150f458a20f39eb10cc6ae50aa12c12661

Analysis

max time kernel
149s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
15/07/2026, 04:29

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General

Target
2026-07-15_a55f72ecf912738a74c288cef26df6b0_elex_qilin_rhadamanthys.exe
Size 78KB
Sample260715-e4gzfabw8j
SHA256 efd8590ab5debc877e75904f3cfafd150f458a20f39eb10cc6ae50aa12c12661
MD5 a55f72ecf912738a74c288cef26df6b0
SHA1 4dcacee6b84f64e1eacbd1f6a91cc1079bdb4d97
SHA512 7da504bc11243f71ab6e35d814c80c6631e59a08ec94067be364891271bf04a63634e5d50bcef3cfb1b1ef74a1df412107cb8492bb27c65678ca85c732ac2ad2
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX3:E1oEFlt6vghzwYu7vih9GueIh9j2IoHh
TLSH
T1FA735C578EA2C8EBD800003B67FAA67C86EBBC411DD8B3968BDDCC1634D2914C95E557
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/4448-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x00070000000113d4-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4448-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4488-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3320-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3320	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3320	microsofthelp.exe
4488	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-1-5-21-2301830172-776172150-2531349243-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-07-15_a55f72ecf912738a74c288cef26df6b0_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-07-15_a55f72ecf912738a74c288cef26df6b0_elex_qilin_rhadamanthys.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	2026-07-15_a55f72ecf912738a74c288cef26df6b0_elex_qilin_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4448 wrote to memory of 3320	4448	2026-07-15_a55f72ecf912738a74c288cef26df6b0_elex_qilin_rhadamanthys.exe	87

C:\Users\Admin\AppData\Local\Temp\2026-07-15_a55f72ecf912738a74c288cef26df6b0_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-15_a55f72ecf912738a74c288cef26df6b0_elex_qilin_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4448
- 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:3320

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4488

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 78KB
SHA256 cf782581820f8ba759cc43c950f997ec869c6b5eb95cc86d3197aed141102bb4
MD5 88947ceeac019eff2d3e2eb34cec7ef1
SHA1 887c25c069891e1592397abd757c92e48019ea09
SHA512 57266fd0de1cae68c813d6aa94afdbb4bd439554bb2e9fa8e674ac5b5b5df727965194f56de6d24f68b8b4377f311e61b00a3888bfe8ff29c20208e23ed48db7
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUX1:E1oEFlt6vghzwYu7vih9GueIh9j2IoH3
TLSH
T17C735C578EA2CCEBD800003B67FAA67C86EBBC411DD8B3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3320-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4448-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4448-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4488-10-0x0000000000400000-0x000000000040E000-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