blihanstealer | ec3ae7154789301148dbdf794be0a3533a94f8808461e41d508e5a5dff5dd4a7

Analysis

max time kernel
149s
max time network
127s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 10:19

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General

Target
2026-10-01_821de70be6fe41e0400e8b4065a872cc_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 465KB
Sample261002-mczzyaxt6n
SHA256 ec3ae7154789301148dbdf794be0a3533a94f8808461e41d508e5a5dff5dd4a7
MD5 821de70be6fe41e0400e8b4065a872cc
SHA1 182087714c321ae221700c238334d16dfcf4a21f
SHA512 88bce5d6c1f3fae710b02a7c40da45f2fcf2353ee631652b4dd7df48110c52dfd96190c12bbe5f941ac667e4893759dace5e7ae310b19476cfd3b37e02dc5adc
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T12DA4E12175C0C4B7C466003105EADB3D9A7B78610BF9D2D7BBDCDB6A2E512D0963A2CB
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/1192-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001b00000000696b-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1192-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5692-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4572-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4572	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4572	microsofthelp.exe
5692	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"	2026-10-01_821de70be6fe41e0400e8b4065a872cc_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	2026-10-01_821de70be6fe41e0400e8b4065a872cc_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	microsofthelp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2026-10-01_821de70be6fe41e0400e8b4065a872cc_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1192 wrote to memory of 4572	1192	2026-10-01_821de70be6fe41e0400e8b4065a872cc_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-01_821de70be6fe41e0400e8b4065a872cc_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_821de70be6fe41e0400e8b4065a872cc_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:1192
- 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:4572

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5692

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 465KB
SHA256 830ab3ca3ee89f3341ec98b7bf67caef5858a72189e6bad6f60dba223492d59f
MD5 f9ad849e9470aee72a88456cc0e6ac7b
SHA1 40815e61ade3c9804dea0d62f750e5d4a17f237d
SHA512 fe55ed4854ed20d95e01dca6add7333dae021aa387702f8301b7af3998ac788670d513a1cc4d551c22a0cd5f0c9f2858bd280cef41914bada6aca87fa0a7f9a0
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T15CA4E12175C0C4B7C466003105EADB3D9A7B78610BF9D2D7BBDCDB6A2E512D0963A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1192-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1192-6-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4572-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5692-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads