blihanstealer | 985c08c7a1ca2e64a438c3840ead5b2904eb0a8df6b3829517edf653cdbbe8a1

Analysis

max time kernel
150s
max time network
131s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
08/08/2026, 17:13

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General

Target
2026-08-08_d26f38e4dcfe9e1f2edee02c1e084fac_elex_qilin_rhadamanthys.exe
Size 81KB
Sample260808-vrvyjaan8t
SHA256 985c08c7a1ca2e64a438c3840ead5b2904eb0a8df6b3829517edf653cdbbe8a1
MD5 d26f38e4dcfe9e1f2edee02c1e084fac
SHA1 af385dbe17a2b3fbb49ff1605376ed65680a6570
SHA512 aba931467f2d1bc9f99b74822333d674a6cd72b207e16db05799673630c01c865b9b2bc91e6773ea381f286cbad295c0dce4c240e0cf351088c3b4e71b9166c4
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXF:E1oEFlt6vghzwYu7vih9GueIh9j2IoHD
TLSH
T1CB834B578AA2CCABD800003B67FAA27C86EBBD411DD8B3968BDDC81634D2914C95E557
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/4904-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000700000001b867-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4904-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4900-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3312-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3312	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3312	microsofthelp.exe
4900	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-1-5-21-3986082593-3624157295-3514260330-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-08_d26f38e4dcfe9e1f2edee02c1e084fac_elex_qilin_rhadamanthys.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-08_d26f38e4dcfe9e1f2edee02c1e084fac_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	2026-08-08_d26f38e4dcfe9e1f2edee02c1e084fac_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 4904 wrote to memory of 3312	4904	2026-08-08_d26f38e4dcfe9e1f2edee02c1e084fac_elex_qilin_rhadamanthys.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-08_d26f38e4dcfe9e1f2edee02c1e084fac_elex_qilin_rhadamanthys.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-08_d26f38e4dcfe9e1f2edee02c1e084fac_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:4904
- 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:3312

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4900

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 82KB
SHA256 589e3fce0e8f85e942dd3da47fb15a4c2cc499da84effbe1458d99095f25b7c6
MD5 4a23d49ce97a322f0b1d4a18919d323f
SHA1 fa41b53a44cdfbb54c9c6e70551bfdf63e65fbfe
SHA512 9c8e0eeb105eb60dfe2086140561f8b00ae962cf8244bb5e5b7cf86200833a6720d10a7ee8d25dac032230e4aaa88602bf00b760a77626ae21edf899389b95d0
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXR:E1oEFlt6vghzwYu7vih9GueIh9j2IoHn
TLSH
T11D834B578AA2CCABD800003B67FAA27C86EBBD411DDCB3968BDDCC1634D2914C95E557
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3312-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4900-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4904-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4904-6-0x0000000000400000-0x000000000040E000-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