blihanstealer | f50ef84e8ce6db85ef11dbca9cedfe1b277bbb5b0f46e81e6264272cd2e8240c

Analysis

max time kernel
150s
max time network
151s
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, 04:13

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General

Target
2026-08-01_4fb7c951ddeb421ed4ff80a2368eff8b_elex_qilin.exe
Size 96KB
Sample260802-ethg8adj5x
SHA256 f50ef84e8ce6db85ef11dbca9cedfe1b277bbb5b0f46e81e6264272cd2e8240c
MD5 4fb7c951ddeb421ed4ff80a2368eff8b
SHA1 bb63ec1cd9c185559d3019dfebabd0897fd5a49e
SHA512 b0b33c946be15d65383f09e824f84280797bc934e17de0958188c0bde232a3ae0e1fed38ad84f5137a063889efe1d18ac1c10e08ec53f4782acb486ac6e7f2c4
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhN:E6t
TLSH
T176A3B44B4E71CDDBE810143E97EAA21C86D3FC541CCCF35A96EED84670C291C889E9A7
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/2948-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x0009000000024356-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2948-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1688-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/724-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
724	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
724	microsofthelp.exe
1688	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-1-5-21-876885714-46325919-1482798410-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-01_4fb7c951ddeb421ed4ff80a2368eff8b_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_4fb7c951ddeb421ed4ff80a2368eff8b_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	2026-08-01_4fb7c951ddeb421ed4ff80a2368eff8b_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 2948 wrote to memory of 724	2948	2026-08-01_4fb7c951ddeb421ed4ff80a2368eff8b_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-01_4fb7c951ddeb421ed4ff80a2368eff8b_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-01_4fb7c951ddeb421ed4ff80a2368eff8b_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:2948
- 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:724

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1688

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 67858cd9ba730f0c3a42630fa80e798960e0833d5868f6feda92626257f23446
MD5 a30db9fe5c370f9285c4438f19a4db52
SHA1 338bf4b0ec4500d3f704ec75d68ae8a76f83cba9
SHA512 c59a1a8d02247f7252c28e06e9e7a0cc8609f143876d81b919f31a10de048ba92a069291fd5a9ec187027246654e917ef2b5dfb514975d17bfdf2ab1acd7bcbf
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhu:E6t
TLSH
T160A3B44B4E71CDDBE810143E97EAA21C86D3FC541CCCF35A96EED84670C291C889E9A7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/724-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1688-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2948-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/2948-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads