blihanstealer | a1219c68872668a6485288cf468c375fc3fbb3a6ea7a08625df450270aa16a86

Analysis

max time kernel
150s
max time network
126s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
02/10/2026, 06:03

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General

Target
2026-10-01_ad10c259db92e7474c82cc228c7efcc4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 444KB
Sample261002-gr9j2attas
SHA256 a1219c68872668a6485288cf468c375fc3fbb3a6ea7a08625df450270aa16a86
MD5 ad10c259db92e7474c82cc228c7efcc4
SHA1 cff67498c9e2e955d6a3774bcf8beea1a519033c
SHA512 4a1eda89e36d17c074e8b8733c21916a7a2015befd6876741520e4cd4b5b464aecce62019eff1920ff4da74c71acfb6c364b74e60f18771ad3b4424079c431d7
SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T19CA4F12175C0C4B7D466003545EACB3D8A76BC210BF9D2C7BBDC9BA66E512D0973A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery blihanstealer persistence stealer trojan

Malware Config

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/1408-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0006000000016b39-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1408-6-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/5784-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1448-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
1448	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
1448	microsofthelp.exe
5784	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-1-5-21-1404337215-1550464601-2805570857-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-01_ad10c259db92e7474c82cc228c7efcc4_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	2026-10-01_ad10c259db92e7474c82cc228c7efcc4_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	2026-10-01_ad10c259db92e7474c82cc228c7efcc4_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 1408 wrote to memory of 1448	1408	2026-10-01_ad10c259db92e7474c82cc228c7efcc4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-01_ad10c259db92e7474c82cc228c7efcc4_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-01_ad10c259db92e7474c82cc228c7efcc4_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:1408
- 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:1448

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:5784

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

Indicator Removal

T1070

File Deletion

T1070.004

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 444KB
SHA256 ef9afd20c32f3344828281e82de7b68f231d9e60a175407858af171d50ff5cb2
MD5 2877364d9f410e0af1960507e591e5c2
SHA1 55fb43473884ccc42d5f5b4a29966a0d315a8f67
SHA512 1f003579f4b824d0cd1c3bd0b4e6f73fb633082aab91a10d93fdc2c9ac6003a5c4fd20e05786b7238b9b3abf7b7e469783f9e36552b0c4cca322d764ed5d82f4
SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T1DCA4F12175C0C4B7D466003545EADB3D8A76BC210BF8D2C7BBDC9BA66E512D0973A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1408-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1408-6-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1448-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/5784-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads