blihanstealer | efe44d9341a9e75d261098ff1a096070f34c30320cfe18d2abe00101dd8d0990

Analysis

max time kernel
149s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/08/2026, 04:33

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General

Target
2026-08-24_ac45971ad0644edd40231d1100aed8cf_elex_qilin.exe
Size 97KB
Sample260825-e6rlnasxgz
SHA256 efe44d9341a9e75d261098ff1a096070f34c30320cfe18d2abe00101dd8d0990
MD5 ac45971ad0644edd40231d1100aed8cf
SHA1 7ded857efdfc9ef23f7a30061c072a1e1e3c9dde
SHA512 a4529d6b0910a0eea68fb9c2e71b88936ee585536f4bb6d82e3ed24cadd293c37f529ea6031dbd3fc32c4bd7af8c36dad90dddc0b780ae2c2161fcd4f51e1019
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhk:E6t
TLSH
T12BA3B34B4F71CDDBE800143E97AAA21C86D3FC541CCCF35A96EED84674C291C899E9A7
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/936-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b00000001136a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/936-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/720-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4548-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4548	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4548	microsofthelp.exe
720	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-1-5-21-552508041-2681165170-3229858294-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-24_ac45971ad0644edd40231d1100aed8cf_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	2026-08-24_ac45971ad0644edd40231d1100aed8cf_elex_qilin.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_ac45971ad0644edd40231d1100aed8cf_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 936 wrote to memory of 4548	936	2026-08-24_ac45971ad0644edd40231d1100aed8cf_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-24_ac45971ad0644edd40231d1100aed8cf_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_ac45971ad0644edd40231d1100aed8cf_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:936
- 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:4548

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:720

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 c719105fbebfe27952b63f2d5983f11f8f9da28e684dec58bb32718d9f2f3d42
MD5 6e090c309dcad62833e9530c0dd6ae37
SHA1 f8745b2ad44543b5fd8375e738f409e25d2bae37
SHA512 b04ddf88aee3a606807aaac3358210a11bebcb1d00f65da27c61fcd67feed97f725bc619ead36a0a2ae6b5cac8732feda8c3c62d9147ca0a7e4a2927e3ccc1cb
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhr:E6t
TLSH
T1A7A3B34B4F71CDDBE800143E97AAA21C86D3FC541CCCF35A96EED84674C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/720-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/936-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/936-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4548-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads