blihanstealer | f702d287852fae6bf099aa893dff39705f1876539c9321662ab47f328e10f801

Analysis

max time kernel
149s
max time network
151s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
06/06/2026, 05:10

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General

Target
2026-06-06_b036cdb932fa4b0fbd55242919e960ca_elex_qilin.exe
Size 98KB
Sample260606-ft2frsbs5p
SHA256 f702d287852fae6bf099aa893dff39705f1876539c9321662ab47f328e10f801
MD5 b036cdb932fa4b0fbd55242919e960ca
SHA1 35e498b7c410f9f92599c89853a4c0256477a403
SHA512 8b4c061f507648a409140b5d50b0fdd0df278c8e681733b89814d8a9271fccbede58e63ea7ec6d51b303c8af941a0fc98316aff2416b693831ab513d92cb7463
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhDS:E
TLSH
T14CA3C34B4E66CDDBD804103B9BEAA25C82D3FC451CDCF35957EEC80674C2918C99E997
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/2248-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001e00000002b326-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2248-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1672-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1196-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1196	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1196	microsofthelp.exe
1672	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-1-5-21-1636999435-3883760687-346127294-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-06-06_b036cdb932fa4b0fbd55242919e960ca_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-06-06_b036cdb932fa4b0fbd55242919e960ca_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	2026-06-06_b036cdb932fa4b0fbd55242919e960ca_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 1196	2248	2026-06-06_b036cdb932fa4b0fbd55242919e960ca_elex_qilin.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-06_b036cdb932fa4b0fbd55242919e960ca_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-06_b036cdb932fa4b0fbd55242919e960ca_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:2248
- 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:1196

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1672

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 98KB
SHA256 926dff5edb0b15a91b6f0875716f26e8187070ece504ba8740bca22bd762b19e
MD5 5cf21bf75e929b0f7a58324d8f0e69c5
SHA1 8106e9c3908bcd0371bfb6c63748706e4c13cd11
SHA512 f6186baa0cf1f906b0fe84eb91bfc05c5f5967bb0eb34db315b09ab8f31fefe638a5aff5ff6b957523bb76e379c50ab547c1a53dacfb51ab7aded337b52f9e1b
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h4qHKh+hHhD4:E
TLSH
T12CA3B24B4E66CDDBD804103B9BEAA25C82E3FC452CDCF35957EEC80674C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1196-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1672-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2248-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2248-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads