blihanstealer | d1856a5bd3cfa605f6fe506784f3827e46b9d5ab6073631c707775e2be8cab8e

Analysis

max time kernel
150s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/10/2026, 13:47

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-10-22_4dff3ef97789f977bdf5420c84ae4d88_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 466KB
Sample261024-q3mdbaas71
SHA256 d1856a5bd3cfa605f6fe506784f3827e46b9d5ab6073631c707775e2be8cab8e
MD5 4dff3ef97789f977bdf5420c84ae4d88
SHA1 1ba488d3e9eea109f4f03a5073f81ff4a860d73d
SHA512 73301b42ca30dd97815e7156eb53a3d1fe21c8bc7e3a5a7b94ea64ad86044728f7bab82f140e88ff8b755b48bfdc137ce197cde36bbf78b0512e71a39d2b5b5a
SSDEEP 6144:W9nvWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:WdQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T1E1A4E12175C0C4B7C466003505EADB3D8A7B78610BF9D2D7BBDCDB6A2E512D0963A2CB
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/3884-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000900000001b7ee-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3884-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5400-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5384-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
5384	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5384	microsofthelp.exe
5400	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-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-22_4dff3ef97789f977bdf5420c84ae4d88_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	2026-10-22_4dff3ef97789f977bdf5420c84ae4d88_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	2026-10-22_4dff3ef97789f977bdf5420c84ae4d88_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 3884 wrote to memory of 5384	3884	2026-10-22_4dff3ef97789f977bdf5420c84ae4d88_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-22_4dff3ef97789f977bdf5420c84ae4d88_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-22_4dff3ef97789f977bdf5420c84ae4d88_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:3884
- 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:5384

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5400

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

Replay Monitor

Loading Replay Monitor...

Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 467KB
SHA256 33c52a0159c1fe6887782e9b14f1e5f9cc684a31f039bdb36a93b2c03df53335
MD5 be5b5f561eddae9a6b75b13762558cda
SHA1 7c13c80dca5d966a15fdfb5ba203226932bfb18a
SHA512 dacda6f58a2fcd121be03eb797413cc99ba85d2bcbf9e709badf55e3764595399ce456764396d3e69489a9baeeb5c0892fd45e3388d4a628ba508e09bb0d1f7b
SSDEEP 6144:W9nvWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:WdQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T14EA4E12175C0C4B7C466003105EADB3D8A7B78610BF9D2D7BBDCDB6A2E512D0963A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3884-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3884-6-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5384-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/5400-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads