blihanstealer | de434dc98c10e01244205da3dc33998f134763b297c733a58bb485e3c3661a41

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
02/11/2026, 15:34

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General

Target
2026-11-01_8a2247223e58bb6d2a0e6f04292a8701_elex_qilin.exe
Size 96KB
Sample261102-sz77qaxt4q
SHA256 de434dc98c10e01244205da3dc33998f134763b297c733a58bb485e3c3661a41
MD5 8a2247223e58bb6d2a0e6f04292a8701
SHA1 976a173989a377c926f070c3ab9c8eef34a0ea03
SHA512 48763b7db7b741c23172718780e6f9ef0071d04e68f348c5e987154e8610b4cc3aad54e68d0154a7c65f401cbf3d2591a470ac0e272b5675d3611e453b48b8d5
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhS:E6
TLSH
T17DA3B34B8E71CDDBE800143EA7AAA21C86D3FC541CDCF35697EED84670C291C899E967
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

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/3688-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000a00000001b2cb-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3688-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1584-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1020-11-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1020	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1020	microsofthelp.exe
1584	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-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-11-01_8a2247223e58bb6d2a0e6f04292a8701_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-11-01_8a2247223e58bb6d2a0e6f04292a8701_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-11-01_8a2247223e58bb6d2a0e6f04292a8701_elex_qilin.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 1020	3688	2026-11-01_8a2247223e58bb6d2a0e6f04292a8701_elex_qilin.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-11-01_8a2247223e58bb6d2a0e6f04292a8701_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-11-01_8a2247223e58bb6d2a0e6f04292a8701_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:3688
- 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:1020

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1584

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 96KB
SHA256 ceddc23e6286d1e33dc2483a091216cec37cb2dc1b9e3f3c310faa82e18c00b1
MD5 1ca68f45c803ba1dccc14bf98ad96de6
SHA1 80e83c015463e1375b885d00a4cb4b671366928f
SHA512 c283d368ba65a660abdbd99e2881b580ba2cf068ce7cac628195eae3e69b8d53d37bcf23c9d6a38c995f95758b8854f6716faca81e7488889b9c03caa96400a1
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhd:E6
TLSH
T17DA3B34B8E71CDDBE800143E97AAA21C86D3FC541CDCF35697EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1020-11-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1584-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3688-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/3688-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads