blihanstealer | c3474dd99f70582d34dde709b355d1580a8866835bd34223d047526e381cda99

Analysis

max time kernel
149s
max time network
115s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 23:52

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General

Target
2026-08-09_842652b914ac68715939f58dd2cc7b6f_elex_qilin.exe
Size 92KB
Sample260809-3wsb7sxfjc
SHA256 c3474dd99f70582d34dde709b355d1580a8866835bd34223d047526e381cda99
MD5 842652b914ac68715939f58dd2cc7b6f
SHA1 d546638368b8f5f07ac65e7fc9f490d17969f8b6
SHA512 c3f82350b73e8e926685af0c85bed9694d66cffbd58318bf60b6733a76ec0f9c741c07f43a74f950000e85a4a596b52776ea9910551cc332eaba5c1f1eaabdcb
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hq:E1oEFlt6vghzwYu7vih9GueIh9j2IoHd
TLSH
T10493C34B4E61CDDBD804103BABEAA22C86E3FC456DDCF35557EEC80670C2918C89E997
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/4312-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4312-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001b85f-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/704-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1364-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1364	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1364	microsofthelp.exe
704	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-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-09_842652b914ac68715939f58dd2cc7b6f_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-09_842652b914ac68715939f58dd2cc7b6f_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	2026-08-09_842652b914ac68715939f58dd2cc7b6f_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 4312 wrote to memory of 1364	4312	2026-08-09_842652b914ac68715939f58dd2cc7b6f_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-09_842652b914ac68715939f58dd2cc7b6f_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-09_842652b914ac68715939f58dd2cc7b6f_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:4312
- 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:1364

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:704

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 92KB
SHA256 4981e6c5902483ca063e810c508995730fcb207fb45197edbe7af39355bce5af
MD5 01a464cf739f010a9a0c40ce10901499
SHA1 f193ae48f9f770096f333574b88705980a775a61
SHA512 e0c42983764e5f628a878c9f475ded56e4167a4f3201b0a03fbb8477b663b69a1feefc12fdaccffbb75cb36b701ac67dec4e53713b9da6e69e1732097e2f54ac
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hy:E1oEFlt6vghzwYu7vih9GueIh9j2IoHh
TLSH
T15893C34B4EA1CDDBD804103BABEAA21C86E3FC456DDCF35557EEC80670C2918C89E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/704-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1364-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4312-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4312-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads