blihanstealer | 43283fec9750e4b6580766fc470ed0dafa9a51beb9d69a5bc8241e10744da8da

Analysis

max time kernel
149s
max time network
121s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
10/09/2026, 02:56

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General

Target
2026-09-08_c298444003b2865827cdf80103f4741c_elex_qilin.exe
Size 93KB
Sample260910-de4lgavdrb
SHA256 43283fec9750e4b6580766fc470ed0dafa9a51beb9d69a5bc8241e10744da8da
MD5 c298444003b2865827cdf80103f4741c
SHA1 30f35953f3a2979e808daebb17677668d272f1bb
SHA512 6091adc3e1e80086901bce529b74167756419ffde8c89d0753fac34e766c70a25a38f5f81e7b19eda18d3327ea4d6175bcb5c6457470617a133926267d41d36f
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4:E1oEFlt6vghzwYu7vih9GueIh9j2IoHH
TLSH
T1E693C24B4E61CEDBD804103BABEAA22C86D3FC451DDCF35657EEC80674C2918C99E997
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/5084-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000600000001e6ce-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/5084-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/728-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/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
728	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-1-5-21-2370214745-1838013427-2987045292-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-09-08_c298444003b2865827cdf80103f4741c_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-09-08_c298444003b2865827cdf80103f4741c_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	2026-09-08_c298444003b2865827cdf80103f4741c_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 5084 wrote to memory of 4548	5084	2026-09-08_c298444003b2865827cdf80103f4741c_elex_qilin.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-09-08_c298444003b2865827cdf80103f4741c_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-08_c298444003b2865827cdf80103f4741c_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:5084
- 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:728

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 94KB
SHA256 1d0117991e2ebd30ecb0a2b8482fe4e17eb01f4ebfd1ea879956872ef88c8cff
MD5 35d484a3215fceff3b57a67b685f96b4
SHA1 df15b2b34e564817a1788e29cfbaffc18e1827a8
SHA512 39c31c722d84f3d04df6ce6eccbf3a9dfdf919ee1ea87bb5a8367f5aa368ae72a81d3bf797120ce44265c15449bfb6f73da2c962b45089b298813f78117941df
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hc:E1oEFlt6vghzwYu7vih9GueIh9j2IoHD
TLSH
T15493C34B4E65CDDBD804103BABEAA22C86D3FC451DDCF35657EEC80670C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/728-9-0x0000000000400000-0x000000000040E000-memory.dmp

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

Download

memory/5084-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5084-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads