blihanstealer | 3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce

Analysis

max time kernel
149s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/03/2025, 00:12

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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
2532	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2532	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-1-5-21-3533259084-2542256011-65585152-1000\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 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	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2532	2372	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe	30
PID 2372 wrote to memory of 2532	2372	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe	30
PID 2372 wrote to memory of 2532	2372	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe	30
PID 2372 wrote to memory of 2532	2372	3e4bdd3b6a5b3ff9a0a322b3dbce53dabcf0a95ed44f616c3be1812b0ca19fce.exe	30

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:2372
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:2532

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\microsofthelp.exe

Filesize
84KB

MD5
ea130de642753f4b8c31cec21abb7607

SHA1
93bf253727808be3a973cf3e7f7adfce8d7f4135

SHA256
384a3e472f29fd56589cf58933860f023d0ab21d6e5bbea58f24549cafccb114

SHA512
32cbb45b22effc67d1d47a49fef25fc1b6e62519474d06205a21e2891aa8717b0f3d7bd4161eb55298292dce61fa4c977a7db32f26a2aca268ed4e88a5e250ec

Download Submit
memory/2372-0-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2372-6-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/2532-9-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads