blihanstealer | 49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b

Analysis

max time kernel
149s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
25/03/2025, 22:41

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General

Target

49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe
Size

71KB
MD5

5b72a7d3fa8344c83317c70b45f09660
SHA1

62a2503ac8e1096a20a0dd8956e6a89f00be86dc
SHA256

49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b
SHA512

c6a1cf8d64b57c04aa892c1bfd4460b211adc52323cac2f693e62bbad09afe151928a7b962d3834f90cf326bbd47a69eb7b19b37518cd6f2637513c7fb4ea016
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrh6:E1oEFlt6vghzwYu7vih9GueIh9j2IoH5

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
4628	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
4628	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-1-5-21-308834014-1004923324-1191300197-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.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	49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 5024 wrote to memory of 4628	5024	49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe	85
PID 5024 wrote to memory of 4628	5024	49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe	85
PID 5024 wrote to memory of 4628	5024	49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe	85

C:\Users\Admin\AppData\Local\Temp\49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe
"C:\Users\Admin\AppData\Local\Temp\49eb0a973fc9e58c88061700d5f1f49821f1722548e54b93bcde752076a14e7b.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5024
- 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:4628

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
71KB

MD5
0dc5ba565c833330463bc955f0bc11f2

SHA1
d765dd9d6f60756e731a3c9520138fbb014f59d1

SHA256
0988508d95848acb855af5fead912c0716600da5ba23ff88ee74ecc820f65e16

SHA512
09e3bac237545965ee9a81f1c2d65732227803ba03b942c7ff647d3a800fbbc04ec2a636ee17e8eda9ebfed9be97600bd2989e8e68e84a61fb83a7da7bafcd32

Download Submit
memory/4628-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5024-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/5024-5-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads