blihanstealer | a3925603efd3f271d88c1a2806a6927122f3df761de6103772aeba92e2f73501

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
14/10/2026, 14:28

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General

Target
2026-10-14_add7a5d9f727669ee03ed2d70bbc9a24_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 290KB
Sample261014-rtb2nage82
SHA256 a3925603efd3f271d88c1a2806a6927122f3df761de6103772aeba92e2f73501
MD5 add7a5d9f727669ee03ed2d70bbc9a24
SHA1 1ecddc4d4fcfe5f865d34147e01737ae12dae94f
SHA512 37fbba7ac5b5d309e555d1c89c57d88437439c3a9e093223aa7cac8cf185e3554df8d019e1659a39e55edf488c46408c0e775bdab2b41c01762e46b88401ebe8
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNI:een/WDKW1Lgbdl0TBBvjc/oVM6
TLSH
T18D54AF1275C1C1B3C466003145E6CB3D9A7F78210BB9D6D7BBDCDA6A2E513D0E63A2CA
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/3716-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000400000002325d-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/3716-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4652-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/1764-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1764	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1764	microsofthelp.exe
4652	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-1-5-21-895009113-1202185046-1686627690-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-14_add7a5d9f727669ee03ed2d70bbc9a24_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	2026-10-14_add7a5d9f727669ee03ed2d70bbc9a24_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	2026-10-14_add7a5d9f727669ee03ed2d70bbc9a24_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 1764	3716	2026-10-14_add7a5d9f727669ee03ed2d70bbc9a24_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	85

C:\Users\Admin\AppData\Local\Temp\2026-10-14_add7a5d9f727669ee03ed2d70bbc9a24_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-14_add7a5d9f727669ee03ed2d70bbc9a24_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:3716
- 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:1764

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4652

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 290KB
SHA256 9e9fad9a0f7fc5a24a948fdddfdf01718eb6190914ae170fa507d60532aec968
MD5 b4c384c4dd69d52a1656f53f50645556
SHA1 5416bde2643d2e301b93f02b55bda27174f763d8
SHA512 361f21bde2a244d61ebf91d2d7ddda30ded0fefc73b99176552804022361c5d5a88cda674fdd0a6075a6abf99817f61e9da05a2ea6f787d9baad5b8efb0788f6
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN+:een/WDKW1Lgbdl0TBBvjc/oVM6
TLSH
T11954AF1275C1C1B3C466003145E6CB3D9A7F78210BB9D6D7BBDCDA6A2E513D0E63A2CA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1764-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3716-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3716-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4652-7-0x0000000000400000-0x000000000040F000-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