blihanstealer | ac92f4a28add55a45876d2e7f3c028249a4a78da174971da20feb16a3c184ffa

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
09/09/2026, 12:12

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General

Target
2026-09-09_c776b627752c70e90187b644da0b568e_elex_qilin.exe
Size 98KB
Sample260909-pda4bavfkc
SHA256 ac92f4a28add55a45876d2e7f3c028249a4a78da174971da20feb16a3c184ffa
MD5 c776b627752c70e90187b644da0b568e
SHA1 743313162de40731c565919f199184963552dcb4
SHA512 c3717da546d6923be4fe91373e3f6ae38dc8b481d3844ef19028bc3e16ab44363c4a1323816872321d7942f294733d5222d7f1558d4d760adc62342127ae6b46
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDR:Eo
TLSH
T196A3B24B4E65CEDBD804103B9BEAB21C86E3FC452DDCF35957EEC80660C2918C99E997
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/4624-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000c0000000242ac-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4624-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1608-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4284-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4284	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4284	microsofthelp.exe
1608	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-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-09_c776b627752c70e90187b644da0b568e_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-09_c776b627752c70e90187b644da0b568e_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	2026-09-09_c776b627752c70e90187b644da0b568e_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 4624 wrote to memory of 4284	4624	2026-09-09_c776b627752c70e90187b644da0b568e_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-09-09_c776b627752c70e90187b644da0b568e_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-09_c776b627752c70e90187b644da0b568e_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:4624
- 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:4284

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1608

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 98KB
SHA256 a642db8ad50033fc260a4e70424ff25ae4f928b1149dd55eb6091d2a72c5721b
MD5 b71e0941c819eae5f6d02dae66290efa
SHA1 40389fa7e4d572ee12d030a94f8c2ccd859471fa
SHA512 356c1cbe171401864e0df68015afc30be69b614d07b34639c972ff2609001339714e4ba5a5987faa852a4843680c92c1cb4f3c2aa1e22f18db66b6edb1e90db0
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDn:Eo
TLSH
T1C1A3C24B4E65CEDBD804103B9BEAA21C86D3FC442DDCF35957EEC80660C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1608-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4284-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4624-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4624-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads