blihanstealer | 6607c2cca45efc231f4904222fbe7e288c14bee8247f704e1bd14fa3bb0cd6cf

Analysis

max time kernel
149s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/10/2026, 14:46

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General

Target
2026-10-22_456d48d7422c7fbdf3a37ef3a38ceecb_elex_qilin.exe
Size 96KB
Sample261024-r5stjsfb49
SHA256 6607c2cca45efc231f4904222fbe7e288c14bee8247f704e1bd14fa3bb0cd6cf
MD5 456d48d7422c7fbdf3a37ef3a38ceecb
SHA1 dab368f49eed933757809228f82fe5c5811e3f85
SHA512 11d8e043a4aac465323d2a559c4d0eb8dc4cbb55f3ebafea4aeeff566e4812bb4b9c62cb88ae0e2af79b9e7ab9e4989e158b3d63fe381d776ea3cab0f3895e89
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhK:E6
TLSH
T15DA3B34B8E71CDDBE800143EA7AAA21C86D3FC541CDCF35697EEC84670C291C899E967
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
behavioral1/memory/4824-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000b000000024262-6.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4824-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4476-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4308-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4308	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4308	microsofthelp.exe
4476	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-1-5-21-939655444-3071939294-1401108526-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-22_456d48d7422c7fbdf3a37ef3a38ceecb_elex_qilin.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-10-22_456d48d7422c7fbdf3a37ef3a38ceecb_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	2026-10-22_456d48d7422c7fbdf3a37ef3a38ceecb_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 4824 wrote to memory of 4308	4824	2026-10-22_456d48d7422c7fbdf3a37ef3a38ceecb_elex_qilin.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-10-22_456d48d7422c7fbdf3a37ef3a38ceecb_elex_qilin.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_456d48d7422c7fbdf3a37ef3a38ceecb_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:4824
- 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:4308

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4476

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 4522eef8b6cc6e5394f060ba944ee545981af88ff1d1d4f37929bdc6d2dbe816
MD5 a3cca760f9ce98df25aecc19fc61a1d6
SHA1 3a21593b7030ac53c0bf8ef0af2eb51792b89473
SHA512 fb46fe4568e204dfb1b63ce33db67f8262ad0ac9180fcdbcd631e35f4eb734e9c99c5251af9962ed351272e9629b5d7d8a35066b1fabe533249a2538516cb171
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh1hKh2h7hWhe:E6
TLSH
T161A3B34B8E71CDDBE800143E97AAA21C86D3FC541CCCF35697EED84670C291C899E967
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4308-10-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4476-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/4824-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4824-5-0x0000000000400000-0x000000000040E000-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