blihanstealer | 52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6

Analysis

max time kernel
149s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26/03/2025, 00:41

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General

Target

52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe
Size

50KB
MD5

df906551e1e0ed3829a725badcf480f8
SHA1

66c16f9f9dff7329126dc40d1b0fd552be14d58a
SHA256

52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6
SHA512

42b6f4d8146c1709a189b16b660a4fec506095775cbe2258df25b2d1806b17174b0b4afc24d30d8cfadfeffae128f5c4e83aab2f72aee8d6f233fa618b877a62
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAjUvJQ/johleHhvGhZchUXb: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
1764	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
1764	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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.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	52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 1764	1852	52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe	31
PID 1852 wrote to memory of 1764	1852	52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe	31
PID 1852 wrote to memory of 1764	1852	52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe	31
PID 1852 wrote to memory of 1764	1852	52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe	31

C:\Users\Admin\AppData\Local\Temp\52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe
"C:\Users\Admin\AppData\Local\Temp\52f022f93cac59667db2045579456e331a61bd8af39337d28a21daedf79575b6.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\microsofthelp.exe
  "C:\Windows\microsofthelp.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Drops file in Windows directory
  PID:1764

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
50KB

MD5
edd1348f13496bd99da6ecd486d74990

SHA1
a67630905f750ef44be50879021091db2237ff35

SHA256
1a41e479866587b8fad5274fe237f11f1bec5324dd8e28bbd1fe018c778dfd84

SHA512
f1d98d17596aa49f1e30af219f6357b670336bae3ba7aa3e41312cda725efda87c2ebba41528ff76c76f4a6122ce9f59dccc226b78d1e8b3d88dcfa01949ea27

Download Submit
memory/1764-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1764-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1852-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/1852-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads