blihanstealer | b921dae319c1a2967c3ffe2b539a74ddede09a528eddaf3567f4d6275a8572c3

Analysis

max time kernel
149s
max time network
153s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/04/2026, 04:05

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General

Target
2026-04-15_05715f126a6336c1f4b5face530949b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 261KB
Sample260415-enqxeahx2s
SHA256 b921dae319c1a2967c3ffe2b539a74ddede09a528eddaf3567f4d6275a8572c3
MD5 05715f126a6336c1f4b5face530949b8
SHA1 c0c389b59baac19021d15ba1f254c18daa7e1365
SHA512 49526cec2429052a620d93d088b6aea7c980bd302e53af657d23f7478865f4e5101debf288bda544efe84a499b6604873d12c16c4b2cbfaf05894d78998c6168
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNn:een/WDKW1Lgbdl0TBBvjc
TLSH
T1D0448E1275D1C1B3C4B2103141EA8B3D9A7F78210BB996D79BDCD9762E613D0A73A2CE
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/1712-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001b00000002b3cc-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1712-4-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3296-7-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1136-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
1136	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1136	microsofthelp.exe
3296	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-1-5-21-2397528088-2630719772-1129911217-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-04-15_05715f126a6336c1f4b5face530949b8_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	2026-04-15_05715f126a6336c1f4b5face530949b8_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	2026-04-15_05715f126a6336c1f4b5face530949b8_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 1712 wrote to memory of 1136	1712	2026-04-15_05715f126a6336c1f4b5face530949b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	79

C:\Users\Admin\AppData\Local\Temp\2026-04-15_05715f126a6336c1f4b5face530949b8_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-04-15_05715f126a6336c1f4b5face530949b8_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:1712
- 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:1136

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3296

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 261KB
SHA256 edc227e4cb564b321bba52fe6302008662bf45c7f322adcc00b2daec375ee2f1
MD5 8c9b8867a2b05dfee2a36765ae30e856
SHA1 01469703570af482fef03482715ed0a671be04e0
SHA512 6358834eb134d1ccab00a34e952b600a0cf80e980946e13cecac6668ca3da4dda2fdd1f5592c2995b6d39fa5d30c50adb16d59dc9ad871d933d484bc2757a20c
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNG:een/WDKW1Lgbdl0TBBvjc
TLSH
T18C448E1275D1C1B3C4B2103141EA8B3D9A7F78210BB996D79BDCD9762E613D0A73A2CE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1136-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1712-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/1712-4-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/3296-7-0x0000000000400000-0x000000000040F000-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