blihanstealer | ca91247aac8483f8b825abfb5b8303c43217adb95875c5fe0b51999ab026b6ab

General

Target
2026-06-01_d7d97f9856c159b548f1571f132a44a5_elex_qilin_rhadamanthys.exe
Size 137KB
Sample260601-pt9ltaet5m
SHA256 ca91247aac8483f8b825abfb5b8303c43217adb95875c5fe0b51999ab026b6ab
MD5 d7d97f9856c159b548f1571f132a44a5
SHA1 74377ef95369785346a210409bc65c318bd9e062
SHA512 8c31d6ec1e0e306be4da0b998e289e0ea7b843656f5d327dacfceb58c08ccdff25ca4bfc66827d79c4bd2ad03569b720fa079f6302731283712f6b379e875530
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKN:W9nu
TLSH
T11FD3D60B5EA1CDEBD810003A57FAB22D86E7BC441DDCE35687DECC4635C2918C9AEA57
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/2476-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001e00000002b323-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2476-4-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4996-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1312-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1312	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1312	microsofthelp.exe
4996	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"	2026-06-01_d7d97f9856c159b548f1571f132a44a5_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-06-01_d7d97f9856c159b548f1571f132a44a5_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	2026-06-01_d7d97f9856c159b548f1571f132a44a5_elex_qilin_rhadamanthys.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 1312	2476	2026-06-01_d7d97f9856c159b548f1571f132a44a5_elex_qilin_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-01_d7d97f9856c159b548f1571f132a44a5_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-01_d7d97f9856c159b548f1571f132a44a5_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:2476
- 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:1312

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4996

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 137KB
SHA256 9f7132bb1b243adcf89d6e1dd9309004b23bb75a697b1af691683ebf67bf7a59
MD5 f08d04f217904840654b852227911963
SHA1 f38ff378f6932a017219fff417bf1da5edfb267b
SHA512 8c1956add14563fdb531c13258462af5072417450b4fbba62ce7f7328c708a6a03f0f7a2e35454ca5293898277151a13715a6ff7026591de83aa640f2268859f
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKk:W9nu
TLSH
T158D3D60B5EA1CDEBD810003A57FAB22D86E7BC441DDCE35687DECC4635C2918C9AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1312-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2476-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2476-4-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4996-7-0x0000000000400000-0x000000000040F000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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