blihanstealer | 361ab0626c6e233e14f7b1690548005bd87c770e2fdf6b17f1939a762490274d

Analysis

max time kernel
150s
max time network
133s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
03/08/2026, 09:26

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General

Target
2026-08-03_2ab5accfb5299563a96a40ef2841c869_elex_qilin.exe
Size 92KB
Sample260803-lefteafq31
SHA256 361ab0626c6e233e14f7b1690548005bd87c770e2fdf6b17f1939a762490274d
MD5 2ab5accfb5299563a96a40ef2841c869
SHA1 c6d7a57a3e0f4012af1ecd74925d788fe2e24c7e
SHA512 086c3b84bb18a779155cf8e24f385c71e54eb1d518af5330fcb0204a59fc7c61913c4b2d9e2e1993d106f8e3bd38a03191be6f3e2e5339863f3f144b1936e6ad
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhT:E1oEFlt6vghzwYu7vih9GueIh9j2IoHI
TLSH
T1A493C34B8E71CDDBE800143E97AAA21C86D3FC541CDCF35A96EED84670C291C899E967
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/2396-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0008000000016b4d-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2396-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3152-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3308-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3308	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3308	microsofthelp.exe
3152	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"	2026-08-03_2ab5accfb5299563a96a40ef2841c869_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	2026-08-03_2ab5accfb5299563a96a40ef2841c869_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-08-03_2ab5accfb5299563a96a40ef2841c869_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2396 wrote to memory of 3308	2396	2026-08-03_2ab5accfb5299563a96a40ef2841c869_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-03_2ab5accfb5299563a96a40ef2841c869_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-03_2ab5accfb5299563a96a40ef2841c869_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:2396
- 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:3308

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3152

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 e01efece6822559d95750d93676b45009a11ee9672eb3e0812a595d1578e2e49
MD5 5a39afddec7544cca71525ecd4b75ed3
SHA1 b73de1828a068b0ecbdc88dbe7cf8675526d45e3
SHA512 46f2190580b87bed16abc81fca33edea99a9ca72a8f30f97364674d6b5b32f248f38db2bae86ccb607d0d5ff1d478190fed0cfa3d87ec5fb96ee0a4b1884a311
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhb:E1oEFlt6vghzwYu7vih9GueIh9j2IoHI
TLSH
T1C393B34B4F71CDDBE804143E97AAA21C86D3FC441CDCF35A96EED84670C291C899EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2396-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2396-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3152-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3308-11-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads