blihanstealer | ecf1316a64e677f0d1b55eec502a490d284d5a64dde7969b80d67d8a964ba2f1

Analysis

max time kernel
150s
max time network
144s
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, 12:00

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General

Target
2026-10-01_73a847a4883489fba7f41f8906d87e8d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 467KB
Sample261002-n6efrszfpc
SHA256 ecf1316a64e677f0d1b55eec502a490d284d5a64dde7969b80d67d8a964ba2f1
MD5 73a847a4883489fba7f41f8906d87e8d
SHA1 4525ce729d64c58fcecc78f1e78ad93d6ff24bf6
SHA512 5204ef1db05a93c3ff3992e64fbf7ebc1b2bbb82572631e3b272aa89e15919aa6a1b4a43a9bf6fe7fa65b4337c8b602ee8f2e8cedcfb2683ec9429dd6ee3ccda
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T160A4E12175C0C4B7C466003505EADB3D8A7B78610BF9D2D7BBDCDB6A2E512D0963A2CB
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/824-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000600000001b857-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/824-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4356-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2316-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
2316	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
2316	microsofthelp.exe
4356	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-1-5-21-461973139-3212354679-1508698038-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-01_73a847a4883489fba7f41f8906d87e8d_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_73a847a4883489fba7f41f8906d87e8d_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	2026-10-01_73a847a4883489fba7f41f8906d87e8d_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 824 wrote to memory of 2316	824	2026-10-01_73a847a4883489fba7f41f8906d87e8d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-01_73a847a4883489fba7f41f8906d87e8d_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_73a847a4883489fba7f41f8906d87e8d_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:824
- 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:2316

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4356

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 467KB
SHA256 64c56f595d5e33a233061e24dc87ce11d291ac6bb29f4cb61297318d2586208d
MD5 61238f3afd9f77f2ed6470331ff1e088
SHA1 c89ce1d0e5eb5d5b99346dac426645b54fa25f99
SHA512 28e1862d7cc0e5f216b42b42545438f7823cb32bbc7c52f796efb16cbdf1d6f8125e5a3d71c61fe7d8656ab65bc95291a17ec98389c6936584b8207aeaa1930e
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T179A4E12175C0C4B7C466003505EADB3D8A7B78610BF9D2D7BBDCDB6A2E512D0963A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/824-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/824-6-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2316-9-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4356-8-0x0000000000400000-0x000000000040F000-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