blihanstealer | 274a7c42b52750141f7f70a0cce52a69cf98633a7dcc340a45f11dcc9d6482fd

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/08/2026, 04:19

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General

Target
2026-08-01_2be36fe973c6597772f2551ae3e4af72_elex_qilin.exe
Size 96KB
Sample260802-expqpsvbkf
SHA256 274a7c42b52750141f7f70a0cce52a69cf98633a7dcc340a45f11dcc9d6482fd
MD5 2be36fe973c6597772f2551ae3e4af72
SHA1 8c1e0f8c3624ee63212a8509d1a77fc85ce9d5d2
SHA512 61de72d5a78c30605414418d38dfc4a86c7ee47b39be12c48ed2e3f711f71f9f0e4e4e4b2bb1a63aff98e57efe1f28a69c350bd84a81629be462740dd4267fbd
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhq:E6t
TLSH
T103A3C34B4F71CDDBE810143E97AAA21C86D3FC541CCCF35A96EED84670C291C899E9A7
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
behavioral1/memory/4604-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x0008000000024597-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4604-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/3592-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2308-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2308	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2308	microsofthelp.exe
3592	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-1-5-21-2937465464-4167303362-2236413517-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-01_2be36fe973c6597772f2551ae3e4af72_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	2026-08-01_2be36fe973c6597772f2551ae3e4af72_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	2026-08-01_2be36fe973c6597772f2551ae3e4af72_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4604 wrote to memory of 2308	4604	2026-08-01_2be36fe973c6597772f2551ae3e4af72_elex_qilin.exe	83

C:\Users\Admin\AppData\Local\Temp\2026-08-01_2be36fe973c6597772f2551ae3e4af72_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_2be36fe973c6597772f2551ae3e4af72_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:4604
- 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:2308

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3592

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 96KB
SHA256 4173c70b865bfe6362716c7ebfc637c5ed123998f67dc06841ae836701f13128
MD5 96aae42472d8f9a6c4fccdcb8829d02d
SHA1 3d2814dfaad4e1957ad0548a698f2244635a3d39
SHA512 608ad6e8c09124ada976a4df486752646a85c9c398c875df3699d8d9503fb0f17db1b9a768f898a27c0008f11aabe6a09db1530d07f0857a513d46c640a8320b
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhu:E6t
TLSH
T14FA3C44B4F71CDDBE800143E97AAA21C86D3FC541CCCF35A96EED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2308-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3592-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4604-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4604-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads