blihanstealer | 5e2a6ce44387aa210d49341d1e1bf0f3f22d1577d6ad5c1d3897469ef835eb97

Analysis

max time kernel
150s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 05:15

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General

Target
2026-08-01_4887e5011f13aa72fef62951eea53e1d_elex_qilin.exe
Size 92KB
Sample260801-fxvgmaem2s
SHA256 5e2a6ce44387aa210d49341d1e1bf0f3f22d1577d6ad5c1d3897469ef835eb97
MD5 4887e5011f13aa72fef62951eea53e1d
SHA1 2e97fd56dfd7275acf6260f537c29a3a5bd21cdd
SHA512 5b8028e7da31e46dede615320293533d49296eec77141ca2838442e20064cdb7b9e3d34ab00aaa42aecda27b597c1f912bf27c18f83447a89f602db9c6e6aeab
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhn:E1oEFlt6vghzwYu7vih9GueIh9j2IoHo
TLSH
T18393C34B4E71CDDBE810143E97EAA21C86D3FC441CDCF35A96EED84670C291C899E967
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/3828-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a000000019cb3-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3828-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1036-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4880-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4880	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4880	microsofthelp.exe
1036	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-1-5-21-3611646547-550105268-947503007-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-01_4887e5011f13aa72fef62951eea53e1d_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-01_4887e5011f13aa72fef62951eea53e1d_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	2026-08-01_4887e5011f13aa72fef62951eea53e1d_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 3828 wrote to memory of 4880	3828	2026-08-01_4887e5011f13aa72fef62951eea53e1d_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_4887e5011f13aa72fef62951eea53e1d_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_4887e5011f13aa72fef62951eea53e1d_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:3828
- 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:4880

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1036

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 93KB
SHA256 89c6e54e70712bad49350623733dc8aaa6dfce99e4ecdb6c19f423b8667f44e2
MD5 0bb58f3abd9d2f3c9df626d82a8814ec
SHA1 c8548e63bd067225ecc8aa52251b15354e3f7a17
SHA512 4c1fc1ddd78e0737d427f97f85559dd547580397f7fee31e03fe9b841a2b1bc53560307eca2216663369f92547a8d587928d21937d987306d5200c5e52f3a68a
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhg:E1oEFlt6vghzwYu7vih9GueIh9j2IoHf
TLSH
T16393C34B4E71CDDBE800143E97EAA21C86D3FC541CDCF35A96EED84670C291C899EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1036-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3828-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3828-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4880-11-0x0000000000400000-0x000000000040E000-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