blihanstealer | ad94ecc22b28fc789e8e4e7556d16ff83d1bb648a57a921b453beebe96c58021

General

Target
2026-05-03_9c101e82d251ee86e03bd46783e89a8c_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 475KB
Sample260503-qpcxqaav91
SHA256 ad94ecc22b28fc789e8e4e7556d16ff83d1bb648a57a921b453beebe96c58021
MD5 9c101e82d251ee86e03bd46783e89a8c
SHA1 cd9200e79d11f5f6a368314a8c9a77d8c0292c32
SHA512 b39772c3caee293fc80252030869edf5a3a1c53684341fedbcb2ce8acd4efefadbc33ee8d9c918bb8b78366be43fd8a51b33e02d5dafb3e3c36788a48d655770
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T1E0A4E02275C1C4B7C466003105EADB3D8A7B7C610BF9D2D7BBDCDA662E512D0963A2CB
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 6 IoCs

resource	yara_rule
behavioral2/memory/4708-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x002c00000000ba12-3.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/456-6-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4708-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3388-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/456-10-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
456	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
456	microsofthelp.exe
3388	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-1-5-21-2122505878-652277452-2375749442-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-05-03_9c101e82d251ee86e03bd46783e89a8c_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	2026-05-03_9c101e82d251ee86e03bd46783e89a8c_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	2026-05-03_9c101e82d251ee86e03bd46783e89a8c_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 4708 wrote to memory of 456	4708	2026-05-03_9c101e82d251ee86e03bd46783e89a8c_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	80

C:\Users\Admin\AppData\Local\Temp\2026-05-03_9c101e82d251ee86e03bd46783e89a8c_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-05-03_9c101e82d251ee86e03bd46783e89a8c_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:4708
- 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:456

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3388

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

microsofthelp.exe

Path C:\Windows\microsofthelp.exe
Size 476KB
SHA256 d2f1997b417e8a014d7a59daf79676c46db6acfe1784c27a6a05d17641e6784d
MD5 b531d316c4609ecd6b0f99c0a4bbc02a
SHA1 72744c71b31973eb0b03f83a504205abb012e4ab
SHA512 35b4b8edf4ebb97563f528695adfbef353e882346f2e8b4525397c580efff09acdc7474a57a0c390439565ba9f896b725b1b3933e756b4d4e8ca0a7871c87dce
SSDEEP 6144:een/WDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:eeQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T13AA4E02275C1C4B7C466003105EADB3D8A7B7C210BF9D2D7BBDCDA662E512D0963A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/456-6-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/456-10-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/456-9-0x0000000002460000-0x0000000002521000-memory.dmp

Download

memory/3388-8-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4708-0-0x0000000000400000-0x000000000040F000-memory.dmp

Download

memory/4708-5-0x0000000000400000-0x000000000040F000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads