blihanstealer | 5e8500a226e7742dae593d681205d865ad39342ae6b51ea5d9f1f3ff8c8a47d3

Analysis

max time kernel
150s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260629-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260629-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/07/2026, 10:19

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General

Target
2026-07-04_a0c08c72a732af1d4880d3583225b958_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 304KB
Sample260704-mcwbrad14v
SHA256 5e8500a226e7742dae593d681205d865ad39342ae6b51ea5d9f1f3ff8c8a47d3
MD5 a0c08c72a732af1d4880d3583225b958
SHA1 13fb28f3c36e928e42074aee1f50c4ca6f99f6c6
SHA512 209e03a58b05ce741359a8c649d36ae5858ae2d955b9ece107d933846d460b0b28607a3cd92b6d886111417a275b11b22ec12bc404348d750c12d5e81d56bb07
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNH:een/WDKW1Lgbdl0TBBvjc/oVM6
TLSH
T1DA64AE1275C1C5B3C462003145E6DB3D8A7B7C210BF9D6D7BBDC9A6A2E512D0E63A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

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/1388-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000c000000016ce0-5.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1388-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3792-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4236-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
4236	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4236	microsofthelp.exe
3792	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-1-5-21-1797646245-3139070211-3019596475-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-07-04_a0c08c72a732af1d4880d3583225b958_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	2026-07-04_a0c08c72a732af1d4880d3583225b958_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	2026-07-04_a0c08c72a732af1d4880d3583225b958_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 1388 wrote to memory of 4236	1388	2026-07-04_a0c08c72a732af1d4880d3583225b958_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-07-04_a0c08c72a732af1d4880d3583225b958_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-07-04_a0c08c72a732af1d4880d3583225b958_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:1388
- 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:4236

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3792

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 304KB
SHA256 b8457d648d884a43e1290c1a1d0047ab186508699655242d11dde5a6cb9be4ff
MD5 f9289dbf6c938ad1649c12ff233a75e8
SHA1 881a5d853cbffcdc42bc3d4a6d8715efcffad202
SHA512 936841a5d23748415304f5acf81eebde8d49e0a67b4e138525aa2fb7bb04555686d00db3ee11227cdea5015cc6a877a18fd21cafb487390460247d348af5097d
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNH:een/WDKW1Lgbdl0TBBvjc/oVM6
TLSH
T11E64AE1275C1C5B3C462003145E6DB3D8A7B7C210BF9D6D7BBDC9A6A2E512D0E63A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1388-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1388-6-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3792-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/4236-9-0x0000000000400000-0x000000000040F000-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