blihanstealer | e252364aff3d4f916aa52b521a05d4be22fce2e9ad8acdb5953b2fb8d37f240d

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
15/04/2026, 14:36

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General

Target
2026-04-15_14634d0bd43b33dc2ae7094ad8d60126_elex_qilin.exe
Size 91KB
Sample260415-ry3eeahw5k
SHA256 e252364aff3d4f916aa52b521a05d4be22fce2e9ad8acdb5953b2fb8d37f240d
MD5 14634d0bd43b33dc2ae7094ad8d60126
SHA1 dce506cdb8d9c512d27742ab3360c5e3357f86b5
SHA512 e22be1af3ead1906bf7144ba600379e1786108f96686eea847cdd1943f607b9d2040981b4e8e99e936870aac0ff44a5c7cec4ee0e86cacb148cbbd5680677a55
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hv:E1oEFlt6vghzwYu7vih9GueIh9j2IoHE
TLSH
T1D893D44B4E65CDDBD804103B9BEAA22C86E3FC452DDCF35A57EEC80670C2918C99E957
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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/4640-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x001c00000002424b-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4640-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1280-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4788-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4788	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4788	microsofthelp.exe
1280	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-1-5-21-745935970-1373868228-562466063-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-04-15_14634d0bd43b33dc2ae7094ad8d60126_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	2026-04-15_14634d0bd43b33dc2ae7094ad8d60126_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	2026-04-15_14634d0bd43b33dc2ae7094ad8d60126_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 4640 wrote to memory of 4788	4640	2026-04-15_14634d0bd43b33dc2ae7094ad8d60126_elex_qilin.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-04-15_14634d0bd43b33dc2ae7094ad8d60126_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-15_14634d0bd43b33dc2ae7094ad8d60126_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:4640
- 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:4788

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1280

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 92KB
SHA256 e760f4a8e5502f75200b332326b10d82916d32e90f7d12e9df19cc299c96977b
MD5 e705fdedf3ea0b1308acde9eef7354a9
SHA1 0e99df6205786e1a8e8b81738c71bcf47b16a0d1
SHA512 4c8d8abc3a54818e7a162f28efa1fa03523424c5c6fcc754a6442740df65bc1b47d2a1c9d18ecfd33a2f0d5a86bd26a03d3c40a88ce240a628f91a23cfaa61d7
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hu:E1oEFlt6vghzwYu7vih9GueIh9j2IoHl
TLSH
T1E093D44B4E65CDDBD804103B9BEAA22C86E3FC452DDCF35A57EEC80670C2918C99E957
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1280-8-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4640-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4640-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4788-9-0x0000000000400000-0x000000000040E000-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