blihanstealer | f812a8e7ea7efeb932a69823839c5ac8d7128889021a7af559cd060ff22779f4

Analysis

max time kernel
149s
max time network
135s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/10/2026, 21:58

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General

Target
2026-10-10_09f3ee47fc498124838d755e6c73180b_elex_qilin.exe
Size 96KB
Sample261011-1vptkshf82
SHA256 f812a8e7ea7efeb932a69823839c5ac8d7128889021a7af559cd060ff22779f4
MD5 09f3ee47fc498124838d755e6c73180b
SHA1 e046bb72bc47bd6278da80d70df78ad84aaa2ebb
SHA512 f8717ba06cbc9687b24cc78b3218191350a4460cf4a131bf3a22fa767e1286e0d07c6e7502bd374a3991c6c780a2865d152704b8a8dafa1e09ce516f2fb9464f
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhJ:E6t
TLSH
T119A3A24B4E71CDDBE800143E9BAAA21C86D3FC541CDCF35696EED84670C291CC99EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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/3120-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3120-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001100000001b846-7.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4700-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1616-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1616	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1616	microsofthelp.exe
4700	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-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-10_09f3ee47fc498124838d755e6c73180b_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	2026-10-10_09f3ee47fc498124838d755e6c73180b_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	2026-10-10_09f3ee47fc498124838d755e6c73180b_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 3120 wrote to memory of 1616	3120	2026-10-10_09f3ee47fc498124838d755e6c73180b_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-10_09f3ee47fc498124838d755e6c73180b_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-10_09f3ee47fc498124838d755e6c73180b_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:3120
- 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:1616

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4700

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

Indicator Removal

T1070

File Deletion

T1070.004

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 90028fc24cd930491943858baa5d95243570aaf5042ebfcdb088e51792f4d521
MD5 e7618764b57daf250c375caab7cdb2e3
SHA1 4e3901973c563b4680af6e72b755b1bb3a964cbd
SHA512 e6a48b4364ff248f2dfe3c9ebc9239ffa302d60167965d7a903a886e12ff414217cdb1f8c277853fd2db928eee0c7921d629ef430984da35c814deca20428307
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhp:E6t
TLSH
T18CA3A24B4E71CDDBE800143E97AAA21C86D3FC541CDCF35696EED84670C291C899EA67
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1616-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3120-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3120-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4700-9-0x0000000000400000-0x000000000040E000-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