blihanstealer | 7586eb458a9eaf5028bf16364ca59e9a3a78d3214e800af80c0cd967c7a322da

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/08/2026, 15:45

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General

Target
2026-08-24_348c7699b2fefab796a7931556d9260d_elex_qilin.exe
Size 97KB
Sample260825-s644msbp9s
SHA256 7586eb458a9eaf5028bf16364ca59e9a3a78d3214e800af80c0cd967c7a322da
MD5 348c7699b2fefab796a7931556d9260d
SHA1 56d01b3acf86c23656cf32cea07587e03a3be222
SHA512 d79df8fa2b9a54e654db11e8d54d2f2e0a117cd65c4ef4bbf9505e7922f4e0ed370fe101e6f852769a60828f56545777349cf80c08c434ca719c8efc4be49f68
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhh:E6
TLSH
T12EA3A34B4E71CDDBE810143E9BAAA21C86D3FC541CCCF35A97DED84270C291C899E967
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
behavioral1/memory/2872-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x00200000000243c4-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2872-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/3972-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2224-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2224	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2224	microsofthelp.exe
3972	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-1-5-21-540052884-2969440504-464782435-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-24_348c7699b2fefab796a7931556d9260d_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-24_348c7699b2fefab796a7931556d9260d_elex_qilin.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	2026-08-24_348c7699b2fefab796a7931556d9260d_elex_qilin.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2224	2872	2026-08-24_348c7699b2fefab796a7931556d9260d_elex_qilin.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-08-24_348c7699b2fefab796a7931556d9260d_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_348c7699b2fefab796a7931556d9260d_elex_qilin.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- 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:2224

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3972

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 97KB
SHA256 23908876997b35380bf3d9ef4da5b6d2f87463ab84a7796eacfc6152e0d9df12
MD5 c2d385b8a1034094999c8a01cd8f67eb
SHA1 e2a305b97a1e933f343c4c9756e28491abe8246e
SHA512 ecbac763e2ce3704f0284260db45c93b6e7c3bbfd46295242bef7bab3737162d294a87553f81b92d58972466e31df822ca77187731defe641671636856aad788
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWht:E6
TLSH
T185A3A34B8E71CDDBE810143E9BAAA21C86D3FC541CCCF35A97DED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2224-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2872-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2872-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3972-9-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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