blihanstealer | c667c78d993784c443c1b816e5d4fdf4757b2ac5aa42e96f94a0ba28b02921d5

Analysis

max time kernel
149s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
10/11/2026, 21:50

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General

Target
2026-11-09_3fc5ddc3257c238e785acad68f6aed69_elex_qilin_rhadamanthys.exe
Size 127KB
Sample261110-1pwpyabe94
SHA256 c667c78d993784c443c1b816e5d4fdf4757b2ac5aa42e96f94a0ba28b02921d5
MD5 3fc5ddc3257c238e785acad68f6aed69
SHA1 cd5068878c82c91617268d49aaa6ee9f514e6a5c
SHA512 daceb88efa95014dbc997c5ae227b912b8e8bb78322136c6ecb89d93255add1ddb9b23a9afd12e777ac76dfda9d9e06a4f6c33099b7bd672f97e513dc357967b
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hK3:eene
TLSH
T112D3E60B5FA1CCDBD850043A57BAA22D86EBBC440DECE35687DDCC4634D2918C9AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion 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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/3028-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000d000000019cb7-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3028-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4072-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4108-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4108	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4108	microsofthelp.exe
4072	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-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-11-09_3fc5ddc3257c238e785acad68f6aed69_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-11-09_3fc5ddc3257c238e785acad68f6aed69_elex_qilin_rhadamanthys.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	2026-11-09_3fc5ddc3257c238e785acad68f6aed69_elex_qilin_rhadamanthys.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3028 wrote to memory of 4108	3028	2026-11-09_3fc5ddc3257c238e785acad68f6aed69_elex_qilin_rhadamanthys.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-11-09_3fc5ddc3257c238e785acad68f6aed69_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-09_3fc5ddc3257c238e785acad68f6aed69_elex_qilin_rhadamanthys.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3028
- 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:4108

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4072

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

Indicator Removal

T1070

File Deletion

T1070.004

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 127KB
SHA256 8297970598f9ac23ccf3c7e46f121f0bcc37f037f8637cadc27d29d540a621da
MD5 29e6f244d62b54f19a73851f47987c9d
SHA1 acc444d79f25164e60bee0a249898ca581664649
SHA512 60bb06599fddce0ce2aa6fb796c14df12fcec82e2c6070c382805f2a2ba1563b94153462ae386e722bc7c29347f4735363efc51a17e4a6313bacfb64929a6372
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKY:eene
TLSH
T1FCD3E60B5FA1CCDBD840043A57FAA22D86EBBC440DECE35687DDCC4634D2918C9AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3028-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3028-6-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4072-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4108-9-0x0000000000400000-0x000000000040F000-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