blihanstealer | f4620aeb4e367d2efd7134bc7286e0a130eee35ff35f93e005a4a2976364594d

Analysis

max time kernel
149s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
01/08/2026, 05:06

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General

Target
2026-08-01_7c0fac1862c766900f2ce213340d9c60_elex_qilin.exe
Size 92KB
Sample260801-frhwmsycnd
SHA256 f4620aeb4e367d2efd7134bc7286e0a130eee35ff35f93e005a4a2976364594d
MD5 7c0fac1862c766900f2ce213340d9c60
SHA1 465281373f6af70734e68b2d42917b4a09bfec1c
SHA512 a6b8f598d463db3e6a75ffce760d0ffc0d6fa5383d5b7c5c7dee177b6d0680d2e194a23e2329fc029c8ca7848bee5aeb1960467a042bb5a9b5da79b9b066e551
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh4:E1oEFlt6vghzwYu7vih9GueIh9j2IoH/
TLSH
T14593C34B8E71CDDBE810143E97EAA21C86D3FC441CDCF35A96EED84670C291C899E967
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/3176-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000b00000001136a-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3176-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4200-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3448-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3448	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3448	microsofthelp.exe
4200	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"	2026-08-01_7c0fac1862c766900f2ce213340d9c60_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-01_7c0fac1862c766900f2ce213340d9c60_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	2026-08-01_7c0fac1862c766900f2ce213340d9c60_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 3176 wrote to memory of 3448	3176	2026-08-01_7c0fac1862c766900f2ce213340d9c60_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-01_7c0fac1862c766900f2ce213340d9c60_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_7c0fac1862c766900f2ce213340d9c60_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:3176
- 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:3448

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4200

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 d4cdf2f31ef727aaaa260824a34a9c038ea4c5042d7b39d32e340d39d8f3bce6
MD5 1b1f20ea23b2289f42013652f76dd197
SHA1 d8d49757d50ed8ec08048f985e576ede3e286396
SHA512 98e37d6b2cfbc2640b975f04bcba82afe73ba73c5bd7ac2ca32fc856b2523310c178de8225b044de158361d8edd6b4b12cba76a9387ddc2c7b9deb32a7f0de21
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhW:E1oEFlt6vghzwYu7vih9GueIh9j2IoHx
TLSH
T18993C34B8E71CDDBE810143E97EAA21C86D3FC441CDCF35A96EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3176-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3176-6-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/3448-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4200-9-0x0000000000400000-0x000000000040E000-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