blihanstealer | da262f0b0997b7c7a641d11a71fde5abc644b67919bf1b0f8baa9a15912c1a1f

Analysis

max time kernel
150s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
16/08/2026, 09:47

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General

Target
2026-08-16_d3a7de555c9305d54507fe7b4eff89f2_elex_qilin.exe
Size 96KB
Sample260816-lsmtwavvbx
SHA256 da262f0b0997b7c7a641d11a71fde5abc644b67919bf1b0f8baa9a15912c1a1f
MD5 d3a7de555c9305d54507fe7b4eff89f2
SHA1 e21106414123720d196410c59d5271c8d2cd8617
SHA512 c9ee8269f8e704a5d195aa33d39aedaead1ba30c307d5cf46a45e86353a18bff3d36359615641ed637ade1183519fe48e69e29306b565a5818faec82f100085e
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWha:E6
TLSH
T16CA3B34B8E71CDDBE810143E9BAAA21C86D3FC541CCCF35697EED84670C2918C99E967
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/4268-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c000000016cd6-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4268-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2756-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3324-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3324	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3324	microsofthelp.exe
2756	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"	2026-08-16_d3a7de555c9305d54507fe7b4eff89f2_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-16_d3a7de555c9305d54507fe7b4eff89f2_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	2026-08-16_d3a7de555c9305d54507fe7b4eff89f2_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 4268 wrote to memory of 3324	4268	2026-08-16_d3a7de555c9305d54507fe7b4eff89f2_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-16_d3a7de555c9305d54507fe7b4eff89f2_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-16_d3a7de555c9305d54507fe7b4eff89f2_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:4268
- 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:3324

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2756

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 9218d81a4ede244f4d68712c9313effb734bc58deed3c4a2e80d9ab643534e4c
MD5 6cabd5862f485885f9e2819e33c3dc43
SHA1 fdcf0883a85e448a4b7247a514b1379a7f879cd2
SHA512 1f09913cacc8c6ebb398ec1acdaece4c6298dda029af97045af93fe9fa5cbefde85424c357e9df76855fc4dc6c3d01cf77ad1d14d27d103129af05f64466f5bf
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWh0:E6
TLSH
T14DA3B34B4EB1CDDBE810143E9BAAA21C86D3FC541CCCF35697EED84670C2918C99E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2756-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3324-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4268-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4268-7-0x0000000000400000-0x000000000040E000-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