blihanstealer | 1b9a19940088cabbadaa6825dc9551e8d66eb1be415772d62c7a400d6ddb9450

Analysis

max time kernel
149s
max time network
125s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/10/2026, 11:22

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General

Target
2026-10-19_9f92c89553bc2a70f7a5169326533d47_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 266KB
Sample261020-ng26jayzbw
SHA256 1b9a19940088cabbadaa6825dc9551e8d66eb1be415772d62c7a400d6ddb9450
MD5 9f92c89553bc2a70f7a5169326533d47
SHA1 e10d34cfbad72b3561bb5770feff5f7d70bc4f9b
SHA512 1f41779f6e4b4701c9e2dfbaf867f0da3e303ae2bc8ec9bf8f00c573b5b1a7ebaa94401b17d6473fcbfd453f1d903296bd9dc18336f393b030c669d20aee7c3e
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNh3hNhH6f:ETWDKW1Lgbdl0TBBvjc/oVM6
TLSH
T12E44AE1275C1C1B3C466003545E6CB3D8A7B78210BF9D6C7BBDD9A7A2E513D0A73A2CA
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

Custom signature

Detects executables built or packed with MPress PE compressor 5 IoCs

resource	yara_rule
behavioral2/memory/1808-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x000500000000053e-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1808-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2868-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/6060-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
6060	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
6060	microsofthelp.exe
2868	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-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-19_9f92c89553bc2a70f7a5169326533d47_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	2026-10-19_9f92c89553bc2a70f7a5169326533d47_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	2026-10-19_9f92c89553bc2a70f7a5169326533d47_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 1808 wrote to memory of 6060	1808	2026-10-19_9f92c89553bc2a70f7a5169326533d47_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	88

C:\Users\Admin\AppData\Local\Temp\2026-10-19_9f92c89553bc2a70f7a5169326533d47_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-19_9f92c89553bc2a70f7a5169326533d47_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:1808
- 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:6060

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:2868

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 266KB
SHA256 148ee527cd4c001383822bb1cfa12e201ac8fbfed7330f8656efdf35f3102e05
MD5 45b8f4b2a9c3dbb05239ef5bd29013b6
SHA1 96d5229c97b0621c41a4410370392972c8b8f3ac
SHA512 431fafbbf3b8d6a95190ece335941648e743173c24a59e5d41023a27bb5419594cf296015961b56c9e300e2662cd68da6504334c8223f7ecacb1d1362773b269
SSDEEP 3072:E1oEFlt6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNh3hNhH67:ETWDKW1Lgbdl0TBBvjc/oVM6
TLSH
T15744AE1275C1C1B3C466003545E6CB3D8A7B78210BF9D6C7BBDD9A6A2E513D0A73A2CA
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1808-0-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/1808-7-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/2868-9-0x0000000000400000-0x000000000040E000-memory.dmp

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memory/6060-10-0x0000000000400000-0x000000000040E000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads