blihanstealer | 2180fccc93af6f933e7f3805e8124f0d47c43c82cf95e19571ba69715908a585

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
18/08/2026, 23:33

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General

Target
2026-08-18_740c24619aefe60503ce93d8fa9965d0_elex_qilin.exe
Size 84KB
Sample260818-3j7lcssgld
SHA256 2180fccc93af6f933e7f3805e8124f0d47c43c82cf95e19571ba69715908a585
MD5 740c24619aefe60503ce93d8fa9965d0
SHA1 560637d172e3c5bd25240dd4027c354a2395398d
SHA512 1bc8c122bb4a18923573575dc617eb914083fff2d32866812ddd38313df37534ddddb7833a6a70965440904321d9bdd146ee6fd0d3fbb37b532c9555478d5fa9
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhu:E1oEFlt6vghzwYu7vih9GueIh9j2IoHV
TLSH
T10F83D44B4F71CDDBE804143EA7AAA21C86D3FC5418CCF35A97DED84374C2918899E967
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/5344-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d000000016cd6-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5344-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1764-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3848-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3848	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3848	microsofthelp.exe
1764	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-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-18_740c24619aefe60503ce93d8fa9965d0_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-18_740c24619aefe60503ce93d8fa9965d0_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	2026-08-18_740c24619aefe60503ce93d8fa9965d0_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 5344 wrote to memory of 3848	5344	2026-08-18_740c24619aefe60503ce93d8fa9965d0_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-18_740c24619aefe60503ce93d8fa9965d0_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-18_740c24619aefe60503ce93d8fa9965d0_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:5344
- 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:3848

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1764

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 84KB
SHA256 f8b5c616fe2ee8a1aa9f9b568a5a5771d5b5228e3b7240f2adc0f85bb27c78e8
MD5 cbcc9138bd8cb267b315e7d6651581fe
SHA1 34b6b74cc1d888e4f54820ba30b12c9a3d993c1a
SHA512 4cd1725050666cf2b0a70f51c9409a42ccafd401040626a288e76aa474813433c95cc73f8ee5f4e20f40daa987b4cf401ed3584d297e8ce88d7ece8f4998e94b
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhY:E1oEFlt6vghzwYu7vih9GueIh9j2IoHn
TLSH
T11283D44B4FB1CDDBE804143EA7AAA21C86D3FC5418CCF35A97DED84374C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1764-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3848-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5344-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5344-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads