blihanstealer | f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631

Analysis

max time kernel
119s
max time network
67s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
24/03/2025, 11:12

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General

Target

f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe
Size

60KB
MD5

cb79c58b14648f7850bf1315757bc820
SHA1

353890ae464b44f619e43472368cbda181ca815d
SHA256

f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631
SHA512

1718266c724432104f30d8508921fc77b1bd58b99de8938106914c0d339e2d24d47036a6f58ed536f9b7dcf2b6f4ca37bea6df14d36e4375f3c2e801cba9b67c
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhm:E1oEFlt6vghzwYu7vih9GueIh9j2IoHb

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
3804	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
3804	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-1-5-21-3218366390-1258052702-4267193707-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.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	f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3168 wrote to memory of 3804	3168	f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe	86
PID 3168 wrote to memory of 3804	3168	f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe	86
PID 3168 wrote to memory of 3804	3168	f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe	86

C:\Users\Admin\AppData\Local\Temp\f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe
"C:\Users\Admin\AppData\Local\Temp\f484298ca20a9d524eb673dcc8c84b129b007c4538062acb2b80d41d88e01631.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3168
- 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:3804

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
60KB

MD5
3d227fa21e64163e2f8e0331d3cecbb1

SHA1
394a504ae9d094fece0f299a50b9bf5e16307f6f

SHA256
0f962a34e07e754013000d0a5426b2ba4970b7735f42cf115d01653917468661

SHA512
66d265fa458751ac4e832e8f450a7570774170deae0526a27dd4ec113383fe448f3ebc8868f1fe2205207d6e7528300d4269f2e684071abb6a70b9e669f2023b

Download Submit
memory/3168-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3168-6-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/3804-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads