blihanstealer | adc0fd985b748d9392fa4e8bb1613983052a7a32d5e5ba27c214a6f1ac8c744f

Analysis

max time kernel
149s
max time network
150s
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, 23:00

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General

Target
2026-06-06_c3727473062126fe29aa8d800ab230af_elex_qilin_rhadamanthys.exe
Size 138KB
Sample260606-2yxt2ady2x
SHA256 adc0fd985b748d9392fa4e8bb1613983052a7a32d5e5ba27c214a6f1ac8c744f
MD5 c3727473062126fe29aa8d800ab230af
SHA1 da8a4ed63e415b24250ac3ae2bb2857313eeb5da
SHA512 bd95aa1f7377a285aafc2a949e3e4e91f4db41dd25894fdd09e5a3a1224df9aff230917a4f1bfd73109aa7ac5a3582678477f9c585eb71874059dd756cad7603
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hK9:W9nu
TLSH
T115D3D60B5EA1CDEBD810003A57FAB22D86E7BC441DDCE35687DECC4635C2918C9AEA57
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/4604-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x002a00000002b3da-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4604-4-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2928-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2472-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
2472	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2472	microsofthelp.exe
2928	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-1-5-21-2409539145-3342400454-2096821238-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-06-06_c3727473062126fe29aa8d800ab230af_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-06-06_c3727473062126fe29aa8d800ab230af_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	2026-06-06_c3727473062126fe29aa8d800ab230af_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 4604 wrote to memory of 2472	4604	2026-06-06_c3727473062126fe29aa8d800ab230af_elex_qilin_rhadamanthys.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-06-06_c3727473062126fe29aa8d800ab230af_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-06-06_c3727473062126fe29aa8d800ab230af_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:4604
- 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:2472

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2928

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 138KB
SHA256 fa8a372e7f1e1b55259313b0282eff0ea4b9192776847f227cf41b843f5e4fc0
MD5 889103565a04e2fb5ad9cc7adc09ecbe
SHA1 1bd10ddc26736290aec74eb5aa7b0cada0711baa
SHA512 6b9cfe93d4990393096fe0d56ae6d92d257c31b196b2062fcc6d03939ac48d2e5b356029547bad49fdd9c3a5db75c7299ff5073ea34a09f23672a042b2402fc9
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hK4:W9nu
TLSH
T1B3D3D60B5EA1CDEBD810003A57FAB22D86E7BC441DDCE35687DECC4635C2918C9AEA57
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2472-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/2928-7-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4604-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4604-4-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads