blihanstealer | 33ef616a5fdcd47504d45236f9972b130239241505dbf7df4948c6ec52de633a

Analysis

max time kernel
149s
max time network
132s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
25/08/2026, 15:58

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General

Target
2026-08-24_31e593b30ebb7e1131f6445b06332bfe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 471KB
Sample260825-ter6fa11bt
SHA256 33ef616a5fdcd47504d45236f9972b130239241505dbf7df4948c6ec52de633a
MD5 31e593b30ebb7e1131f6445b06332bfe
SHA1 f15452352082df9a82b9f54946595859680dc8c6
SHA512 e159d18a583d57690a4d9d922740b167bd5307e71d0f06d4bfe0925746ccf37756b684d781b81ed8f523ae4a6e21eef2751ac945ce958b58a4bc720b573de830
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdyq:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T1E0A4E02275C1C4B7C466003505EADB3D8A7B78210BF9D2D7BBDCDB662E512D0963A2CB
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/6076-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000001b1d0-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6076-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1476-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3384-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3384	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3384	microsofthelp.exe
1476	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-1-5-21-1738198120-2966725515-3980530802-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-24_31e593b30ebb7e1131f6445b06332bfe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	2026-08-24_31e593b30ebb7e1131f6445b06332bfe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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	2026-08-24_31e593b30ebb7e1131f6445b06332bfe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 6076 wrote to memory of 3384	6076	2026-08-24_31e593b30ebb7e1131f6445b06332bfe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-08-24_31e593b30ebb7e1131f6445b06332bfe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-24_31e593b30ebb7e1131f6445b06332bfe_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6076
- 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:3384

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:1476

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 471KB
SHA256 8127e853b4febc08938275a56654fb4c788a665d0c04c432bbff09cbd7ddec3b
MD5 625cf4b5743c9acc5a35fa80b6d8fc44
SHA1 a4801016f87d87953a60588f150c1b3b4c100e17
SHA512 b54fcb73b7c41431d38833a152a6767ed196d5a2f36c4b1b35df07774fcdf40c67d388d3f7b7035c23e5615293ae44854900e58a8cc60f1d42328d1e79a6074f
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdyq:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T1FAA4E02275C1C4B7C466003505EADB3D8A7B78210BF9D2D7BBDCDB6A2E512D096392CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1476-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3384-9-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/6076-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/6076-5-0x0000000000400000-0x000000000040F000-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