blihanstealer | fc0ff96cdc159cb646746564aafedbcabef53f3575bde14496e52519d0d04e4d

Analysis

max time kernel
150s
max time network
145s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/10/2026, 07:00

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General

Target
2026-10-26_c7ff7faf4c362ec9bf3532977b4967ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 439KB
Sample261027-hs2q9abs4t
SHA256 fc0ff96cdc159cb646746564aafedbcabef53f3575bde14496e52519d0d04e4d
MD5 c7ff7faf4c362ec9bf3532977b4967ae
SHA1 4c72718b1f7c53bebb6a83ab041ecf600c0c1405
SHA512 c369fba2b2e04a67f89cc2388ead854fec97373663a097ee132f2a1ec995235e6f883ce578fe91748fd8437dd7e9b9a0844995c69021a5555ce22a8cf16da6cf
SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T19BA4F12175C0C4B7D466003545EACB3D8A76B8610BF8D2C7BBDC9BB66E512D0973A2CB
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/1752-0-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x001300000001b830-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/1752-7-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4708-9-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/4604-10-0x0000000000400000-0x000000000040E000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 TTPs 1 IoCs

defense_evasion

File Deletion

T1070.004

pid	Process
4604	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
4604	microsofthelp.exe
4708	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-1-5-21-560646293-820748483-2532804640-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-10-26_c7ff7faf4c362ec9bf3532977b4967ae_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	2026-10-26_c7ff7faf4c362ec9bf3532977b4967ae_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	2026-10-26_c7ff7faf4c362ec9bf3532977b4967ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 4604	1752	2026-10-26_c7ff7faf4c362ec9bf3532977b4967ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-10-26_c7ff7faf4c362ec9bf3532977b4967ae_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-26_c7ff7faf4c362ec9bf3532977b4967ae_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:1752
- 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:4604

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:4708

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 440KB
SHA256 bb22fb05176ffba3992ae9fd372b69fa35b193fb24b1f38496713a775ed8e630
MD5 7c44a4174b73b3a872de1156a2990bd6
SHA1 817933a9f73a55c8a0c088fbbad121c48d3d9d0d
SHA512 4177bfd895861d4f43c760e0c76331a5847088043d57dfc918a8f93fff4990d9b103e9e27993f24d7bce7e089aa2c76ad9bd6a62df064861333ecf7f7f6b3355
SSDEEP 6144:ETWDKW1Lgbdl0TBBvjc/oVM66dAFlJTSRUYzLY6hOfvb2wdy:ETQh1Lk70Tnvjc8MxdABSnLHOr2f
TLSH
T1F9A4F12175C0C4B7D466003545EACB3D8A76B8610BF8D2C7BBDC9BB66E512D0973A2CB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1752-0-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/1752-7-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4604-10-0x0000000000400000-0x000000000040E000-memory.dmp

Download

memory/4708-9-0x0000000000400000-0x000000000040E000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads