blihanstealer | f46c57b81e322c4026a32f796614ed0c0dbda1b9fb79720258d1e8b8fe88b663

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
07/08/2026, 02:21

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General

Target
2026-08-07_584f806288e741fe806c19d48667c162_elex_qilin.exe
Size 96KB
Sample260807-ctd4payyhx
SHA256 f46c57b81e322c4026a32f796614ed0c0dbda1b9fb79720258d1e8b8fe88b663
MD5 584f806288e741fe806c19d48667c162
SHA1 28abcb424376e54443bc9ebbf6bc3bc5933eabc9
SHA512 4b9f66feab1fd1111ede6c9239758a25d7d1cbf92ad3a9185aed89e7f26ba8a5ce51add24735e5eec727e63e3767f27a7fe231cab2bf77428f24a0a2d4170a2d
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhw:E6t
TLSH
T1FBA3C44B8E71CDDBE800143E97EAA21C86D3FC541CDCF35A96DED84670C291C899E9A7
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/4128-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0008000000016cdb-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4128-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4304-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2104-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2104	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2104	microsofthelp.exe
4304	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-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-07_584f806288e741fe806c19d48667c162_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-07_584f806288e741fe806c19d48667c162_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	2026-08-07_584f806288e741fe806c19d48667c162_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 4128 wrote to memory of 2104	4128	2026-08-07_584f806288e741fe806c19d48667c162_elex_qilin.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-07_584f806288e741fe806c19d48667c162_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-07_584f806288e741fe806c19d48667c162_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:4128
- 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:2104

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4304

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 b08473b0340eaa07a72680fc49f94849d15312a31029feede91e0d80fd017a10
MD5 d77b4742781aa95959dfb3883e249179
SHA1 d52c594c3d4c1f22d2360888d3a1480c1bf10e84
SHA512 cdf46ac6b577e3cd04dfa2c311013d6763c44dd89b9cee4bffe85788b8a493dac916082e61e037be53eabff7de4d952b7883e9f8ffedf0c9a364008fa51fc6f6
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhy:E6t
TLSH
T1A5A3B44B8E71CDDBE800143E97EAA21C86D3FC441CDCF35A96DED84670C291C899E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2104-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4128-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4128-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4304-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads