blihanstealer | bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8

Analysis

max time kernel
119s
max time network
18s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24/03/2025, 05:53

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General

Target

bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe
Size

69KB
MD5

95ab0f4403c7666dc759c9ee8e1eb8d0
SHA1

1d88d1b3718a859f06fb0e3d4449a140bb75ab7c
SHA256

bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8
SHA512

7f79e1fddfd1c911bd57593d151436d1bfa9aaa59a0807338dbd8e0dfed5a55ffde99b976267c3b283a5668290a53f2a77e17869a9cd2e9eb120fff61526a1a5
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh7:E1oEFlt6vghzwYu7vih9GueIh9j2IoHM

Score

10^/10

blihanstealer discovery 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

BlihanStealer
Blihan is a stealer written in C++.
trojan stealer blihanstealer
Blihanstealer family
blihanstealer

Deletes itself 1 IoCs

pid	Process
1388	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1388	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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe
File created	C:\Windows\HidePlugin.dll	microsofthelp.exe

System Location Discovery: System Language Discovery 1 TTPs 1 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	bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1388	2368	bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe	30
PID 2368 wrote to memory of 1388	2368	bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe	30
PID 2368 wrote to memory of 1388	2368	bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe	30
PID 2368 wrote to memory of 1388	2368	bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe	30

C:\Users\Admin\AppData\Local\Temp\bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe
"C:\Users\Admin\AppData\Local\Temp\bebdb56fa947d23d406f875c8378b300df5fb133d9e231cf22bd11b6a17c35c8N.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1388

Network

MITRE ATT&CK Enterprise v15

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

C:\Windows\microsofthelp.exe

Filesize
69KB

MD5
b3ffbe9107383999f60bc4de30be49a4

SHA1
37263fd138ece6ff0c8a95d03c89ebbdb3af43d9

SHA256
f0e7b155cda58862d7601a1ce6d7eae806378d239c0931ef10f13bf4cb11e4c1

SHA512
9b6b5341f29ee3584ff9b3781adf0138726e518f6df8d240cb34489415f895699d64e03022ee8dca4c61555534e8c2221290ad287bb091a56598ce73d9a9f2c6

Download Submit
memory/1388-8-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1388-10-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2368-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads