blihanstealer | 27c3d9f475528e5451ec1e747c7e88947cf977a8d9f2adb39bd40a8b4b043e9a

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 16:56

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General

Target
2026-08-20_e09fef43390c910bf79784b0973fbd22_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
Size 264KB
Sample260820-vft7vs1fke
SHA256 27c3d9f475528e5451ec1e747c7e88947cf977a8d9f2adb39bd40a8b4b043e9a
MD5 e09fef43390c910bf79784b0973fbd22
SHA1 25faf63b829c0923e7853fdbfc9f3d3d3055a580
SHA512 4fb0da78ddd49ecec72f727d8ab5641b00114f084817addc5dacda6d0a9a9a866637447483618da0bb5aa2691abdb3cfd8151806425bdfb0b3cffaac625b73ee
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahNX:een/WDKW1Lgbdl0TBBvjc
TLSH
T1CF449E1275D1C1B3C4B2103141EA8B3D9A7F78210BB996D79BDCD9762E613D0A73A2CE
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/2692-0-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/files/0x0009000000016cd6-4.dat	INDICATOR_EXE_Packed_MPress
behavioral2/memory/2692-5-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3440-8-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress
behavioral2/memory/3816-9-0x0000000000400000-0x000000000040F000-memory.dmp	INDICATOR_EXE_Packed_MPress

Deletes itself 1 IoCs

pid	Process
3816	microsofthelp.exe

Executes dropped EXE 2 IoCs

pid	Process
3816	microsofthelp.exe
3440	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-1-5-21-3989226554-2204910950-1522900112-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	2026-08-20_e09fef43390c910bf79784b0973fbd22_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	2026-08-20_e09fef43390c910bf79784b0973fbd22_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	2026-08-20_e09fef43390c910bf79784b0973fbd22_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 2692 wrote to memory of 3816	2692	2026-08-20_e09fef43390c910bf79784b0973fbd22_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe	89

C:\Users\Admin\AppData\Local\Temp\2026-08-20_e09fef43390c910bf79784b0973fbd22_drokbk_elex_rhadamanthys_smoke-loader_stealc_stop_tofsee.exe
"C:\Users\Admin\AppData\Local\Temp\2026-08-20_e09fef43390c910bf79784b0973fbd22_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:2692
- 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:3816

C:\Windows\microsofthelp.exe
C:\Windows\microsofthelp.exe
1⤵
- Executes dropped EXE
PID:3440

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 264KB
SHA256 183792cd0c4d65001cfe50dcd11edb3c6e4ab36340b9a0a755efbb51ae797c48
MD5 dde294cb503f74e4470535a5704b0190
SHA1 27b36c033821063a9df3006679976f289370cccc
SHA512 a76f5888dec39f9c4b6a05fdd20201de98d464c187f845532892ab5778f612cb2508b49cfc62ad74dd25698057807412afa193be08c2a63e98aaeaffeb4bc763
SSDEEP 3072:NAoglOwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXahN5:een/WDKW1Lgbdl0TBBvjc
TLSH
T133449E1275D1C1B3C4B2103141EA8B3D9A7F78210BB996D79BDCD9762E613D0A73A2CE
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2692-0-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/2692-5-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3440-8-0x0000000000400000-0x000000000040F000-memory.dmp

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memory/3816-9-0x0000000000400000-0x000000000040F000-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