blihanstealer | 3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce

Analysis

max time kernel
149s
max time network
149s
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, 00:08

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General

Target

3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe
Size

84KB
MD5

83eb176f1a13e72db943038f799c15d6
SHA1

24e038a7e3714d51fdf63773bf36eea292b84a30
SHA256

3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce
SHA512

33fd443c9299fdfd11f52df0543b1e25bd2cc775d12658e24545d041913078d300206a8a81a9e4b60654b0256a55b5e779bdcfa8f6f100142501a06884b689e2
SSDEEP

1536:NAo0Tj2d6rnJwwvl4ulkP6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johChvhnhLhm:NAoglOwvl4ulkP6vghzwYu7vih9GueIW

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
5416	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
5416	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-1-5-21-1062200478-553497403-3857448183-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.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	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	microsofthelp.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 5416	2464	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe	85
PID 2464 wrote to memory of 5416	2464	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe	85
PID 2464 wrote to memory of 5416	2464	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe	85

C:\Users\Admin\AppData\Local\Temp\3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe
"C:\Users\Admin\AppData\Local\Temp\3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2464
- 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:5416

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
84KB

MD5
ea130de642753f4b8c31cec21abb7607

SHA1
93bf253727808be3a973cf3e7f7adfce8d7f4135

SHA256
384a3e472f29fd56589cf58933860f023d0ab21d6e5bbea58f24549cafccb114

SHA512
32cbb45b22effc67d1d47a49fef25fc1b6e62519474d06205a21e2891aa8717b0f3d7bd4161eb55298292dce61fa4c977a7db32f26a2aca268ed4e88a5e250ec

Download Submit
memory/2464-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2464-5-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/5416-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads