blihanstealer | 93380719a621e2d68b1a050bcdfb4a13246a110e327c5d10b9d01b422f5c9074

Analysis

max time kernel
150s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 20:53

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General

Target
2026-10-01_051d12655aa21d293866148c80070f61_elex_qilin.exe
Size 95KB
Sample261002-zphyeahf26
SHA256 93380719a621e2d68b1a050bcdfb4a13246a110e327c5d10b9d01b422f5c9074
MD5 051d12655aa21d293866148c80070f61
SHA1 d00e33dfd29f083ce47c70406559a3021269b93f
SHA512 4cb9f229ade93ee25746a5bd7ca3cefa347d390f315df12866b55e1a9a384075ec5372de4ccb4ec9d60757e121136e03d41c330d21442dd5825c8510b2fad9bc
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhd:E1oEFlt6vghzwYu7vih9GueIh9j2IoHu
TLSH
T15CA3B34B4E71CDDBE810143EABEAA21C86D3FC541CCCF35697EED84270C2918899E967
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/4696-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a00000001b82c-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4696-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3420-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4484-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4484	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4484	microsofthelp.exe
3420	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-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-01_051d12655aa21d293866148c80070f61_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-01_051d12655aa21d293866148c80070f61_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-01_051d12655aa21d293866148c80070f61_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4696 wrote to memory of 4484	4696	2026-10-01_051d12655aa21d293866148c80070f61_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-01_051d12655aa21d293866148c80070f61_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_051d12655aa21d293866148c80070f61_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:4696
- 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:4484

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3420

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 96KB
SHA256 5e9ad925c27a2e2caaeb005aaa7deb8e11a1a23a6a61daa855a8f0eca638308f
MD5 0815349c66d64f3965278a76f1703e35
SHA1 5a3f56cacc038c4f530f31e07bdd0f1fc3073709
SHA512 e7b9d14fe53acd5f456a463b0214c5a10cd64f2044448001f67655c4d4398ba78eed618104a8526929e728dfddd865d3dd25ef0fed47b556b88cd51d411e1930
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhz:E6
TLSH
T1F8A3B34B4E71CDDBE810143EABAAA21C86D3FC541CCCF35697EED84670C2918899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3420-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4484-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4696-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4696-6-0x0000000000400000-0x000000000040E000-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