blihanstealer | d3f356a5c6808f30fa5ce2e2381fc18de358c611261faafa0991ab149474c42c

Analysis

max time kernel
149s
max time network
119s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
07/05/2026, 12:41

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General

Target
2026-05-07_96790fb694aaaaf3ffe50f657a0dca9f_elex_qilin.exe
Size 92KB
Sample260507-pwsfbaes2s
SHA256 d3f356a5c6808f30fa5ce2e2381fc18de358c611261faafa0991ab149474c42c
MD5 96790fb694aaaaf3ffe50f657a0dca9f
SHA1 9b02fbbd1e09d136172ab8ac7f17718bb8c70f47
SHA512 1a8ee5e17b2b8b200e600cb9ecd16ac237845fd7a691231ed5c6d52db2a30756aaa8d62a2347161096ab8fb2fec2a31c7595965ac1585abefbea85b57c2fd37b
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8h:E1oEFlt6vghzwYu7vih9GueIh9j2IoHz
TLSH
T15393C34B4E65CDDBD804103BABEAA22C86E3FC451DDCF35657EEC80670C2918C99E997
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/5100-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0008000000029228-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5100-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3976-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3368-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3368	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3368	microsofthelp.exe
3976	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-1-5-21-600123060-2148212387-2211176695-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-07_96790fb694aaaaf3ffe50f657a0dca9f_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-05-07_96790fb694aaaaf3ffe50f657a0dca9f_elex_qilin.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	2026-05-07_96790fb694aaaaf3ffe50f657a0dca9f_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 5100 wrote to memory of 3368	5100	2026-05-07_96790fb694aaaaf3ffe50f657a0dca9f_elex_qilin.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-07_96790fb694aaaaf3ffe50f657a0dca9f_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-07_96790fb694aaaaf3ffe50f657a0dca9f_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:5100
- 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:3368

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3976

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 93KB
SHA256 eba4574ea1d77634a0e720db9f89883d55fca8a91ddc9f48ce2661437e9e30db
MD5 00f4c0c3ab22215743262844293a3319
SHA1 e43824c8cfab796328c30c8748d4c6c33b9e721e
SHA512 e0a682eddf25a5243699166462d04cd07e3f28f8dd235c81f3f2f34fe3d4a7156a5569d471181346dd02bbc2a86140bf88319e192e062bb30d617edaa27647ad
SSDEEP 1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjU+EmkcU+h+hhjhkhMh8hD:E1oEFlt6vghzwYu7vih9GueIh9j2IoHs
TLSH
T1F993D34B4E65CDDBD804103BABEAA22C86E3FC451DDCF35657EEC80670C2918C99E997
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3368-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3976-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5100-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5100-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads