blihanstealer | dd1e39a589c63a95f510f8e8cce1dbe19fa457673a9469940ded2142aced7437

Analysis

max time kernel
149s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
17/04/2026, 05:16

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
2026-04-17_e606a1f05790d9665b04e88bd5d65832_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 269KB
Sample260417-fx5mlaa12y
SHA256 dd1e39a589c63a95f510f8e8cce1dbe19fa457673a9469940ded2142aced7437
MD5 e606a1f05790d9665b04e88bd5d65832
SHA1 3284a10ca5d5f7621f22f066bba2ea7b65f4de15
SHA512 fe46d92f77e916ddfecd39f360fba130ea850b0362037570a4d5d8fd171c033220ec6bcda3ca4e0f3146805d2cfe340b71a4e29cb79b9db6b826739e81153883
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNh3hNhH6a:ETWDKW1Lgbdl0TBBvjc/oVM6
TLSH
T1D644AE1275C1C5B3C466003545E6CB3D8A7B78210BF9D6C7BBDC9A6A6E513D0E33A2CA
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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/4592-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4592-5-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000800000002a117-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4920-8-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5056-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
5056	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
5056	microsofthelp.exe
4920	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-1-5-21-1456842261-3464001825-2855069093-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-04-17_e606a1f05790d9665b04e88bd5d65832_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe
File created	C:\Windows\microsofthelp.exe	2026-04-17_e606a1f05790d9665b04e88bd5d65832_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.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_e606a1f05790d9665b04e88bd5d65832_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 4592 wrote to memory of 5056	4592	2026-04-17_e606a1f05790d9665b04e88bd5d65832_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-04-17_e606a1f05790d9665b04e88bd5d65832_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-17_e606a1f05790d9665b04e88bd5d65832_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:4592
- 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:5056

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4920

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

Replay Monitor

Loading Replay Monitor...

Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 269KB
SHA256 5bce3ebbd05e8d011da5e248806cb8f3ff0f3a8c4378edc3253f0a1828a3ba40
MD5 65a56f783b21d9ef6506f529414312e3
SHA1 1f6cdc611737d8161545a2d71cb7d5418e96b393
SHA512 39c9b6b9eff16fafa9550ed933892522e5e5dd6938ba022c095d9a938fc7dd42c876250834e44487c2190a5ffe7df5313ada1bf689be2845402b12f4adffb4e1
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNh3hNhH6X:ETWDKW1Lgbdl0TBBvjc/oVM6
TLSH
T12F44AE1275C1C5B3C466003545E6CB3D8A7B78210BE9D6C7BBDC9A6A6E512D0E33A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4592-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4592-5-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4920-8-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5056-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads