blihanstealer | 3fac2b16422183933aa2194f6a97296d1882302ed7bf83b81cece56be57eebae

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
17/04/2026, 16:00

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General

Target
2026-04-17_4716faefa7d5201b9259d429c52a5cbd_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 446KB
Sample260417-tfx33scs2j
SHA256 3fac2b16422183933aa2194f6a97296d1882302ed7bf83b81cece56be57eebae
MD5 4716faefa7d5201b9259d429c52a5cbd
SHA1 a93642fef0d9e9f0c5e8b327ff328511c302d0a3
SHA512 64d37a85905dcde4172989210bc51a293866cf6e2868491546bd63dd9f348108caa9845f0fcbe8571fb525bfb2688068a21133aa949b50bc6159589cf59d925a
SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T117A4F12176C0C4B7D466103545EADB3D8A76BC210BF8D2C77BDC9BA62E512D0973A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery blihanstealer persistence stealer trojan

Malware Config

Signatures

Family: BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral1/memory/4804-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/files/0x000800000001e6f8-3.dat	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4804-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/2532-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral1/memory/4988-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4988	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4988	microsofthelp.exe
2532	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-1-5-21-721190819-434563495-2007910846-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-04-17_4716faefa7d5201b9259d429c52a5cbd_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	2026-04-17_4716faefa7d5201b9259d429c52a5cbd_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	2026-04-17_4716faefa7d5201b9259d429c52a5cbd_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 4804 wrote to memory of 4988	4804	2026-04-17_4716faefa7d5201b9259d429c52a5cbd_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	86

C:\Users\Admin\AppData\Local\Temp\2026-04-17_4716faefa7d5201b9259d429c52a5cbd_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-17_4716faefa7d5201b9259d429c52a5cbd_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:4804
- 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:4988

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2532

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 446KB
SHA256 c064055eca086ab73859148f2ed1b86cab4ad45590e29435a75511ac34b76041
MD5 19824e664fc14367ce36049c8f2b8c64
SHA1 463904c601e11b76d598e3e87464a8e699ae1889
SHA512 f5a36dc47d7489752680f99bc622755ab4dbedbb5651eba746c3ab1c43812a4c8157c330ff1368901e6132d2f96eb82a447fa5eedb96caf7c554bca90474681c
SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T1C0A4F12175C0C4B7D466103645EADB3D8A76BC210BF8D2C77BDC9BA62E512D0973A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2532-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4804-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4804-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4988-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads