blihanstealer | df26409de2440fab406abcc07b22bbb96d6ced953459e901259b5dc8a3724cef

Analysis

max time kernel
149s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
21/04/2026, 09:40

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General

Target
2026-04-21_08c79a6edcc579b36482c585592c8ea4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 297KB
Sample260421-lm6d2ae121
SHA256 df26409de2440fab406abcc07b22bbb96d6ced953459e901259b5dc8a3724cef
MD5 08c79a6edcc579b36482c585592c8ea4
SHA1 b87502b1bbcab2c1a55ff3d91291bfcd4eda5aee
SHA512 d5e8943651593ce5db8238cc19fcf4562176812947d0f9862f2aa6b27fafd2f2f1d0ba877ba237681309fa6372f4092b392dd0f05ba7136507e970cc9ca5be95
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN8:W9nvWDKW1Lgbdl0TBBvjc/oVM6T
TLSH
T1DE54AF1275C1C1B3C466003145E6DB3D9A7B78210BF9D2D7BBDC9A6A2E513D0E63A2CB
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/4560-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4560-4-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x002200000002b189-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3944-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3356-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3356	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3356	microsofthelp.exe
3944	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-1-5-21-3847269522-1618051987-1942096715-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-04-21_08c79a6edcc579b36482c585592c8ea4_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	2026-04-21_08c79a6edcc579b36482c585592c8ea4_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	2026-04-21_08c79a6edcc579b36482c585592c8ea4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4560 wrote to memory of 3356	4560	2026-04-21_08c79a6edcc579b36482c585592c8ea4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-04-21_08c79a6edcc579b36482c585592c8ea4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-21_08c79a6edcc579b36482c585592c8ea4_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:4560
- 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:3356

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3944

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 297KB
SHA256 fbeb96848e2733b11e3ebbd01d6f7c02ef7b4bb09f4b16238e00565e7b1a9dbe
MD5 6e6b18b83157579fa94d37910fb288ac
SHA1 ed009ecfb1f1cd599c0a053758f8b1c895aba424
SHA512 25e0e19befd773a44658e105ff0f12cc1dd85f2c07c5d821b3ad0ee1ea385a042e51fba17fd9bd6555d6150d8713b17031200133934f362e3827e4b9212917a7
SSDEEP 3072:lAo1lOwvlKlXBP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNO:W9nvWDKW1Lgbdl0TBBvjc/oVM6T
TLSH
T18554AF1275C1C1B3C466003145E6DB3D9A7B78210BF9D2D7BBDC9A6A2E513D0E63A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3356-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3944-7-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4560-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4560-4-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads