blihanstealer | 62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5

Analysis

max time kernel
119s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24/03/2025, 10:50

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General

Target

62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe
Size

77KB
MD5

9e436fee77f67c4a18ff4e48802fce80
SHA1

c78d4c45deb0693ff80f63e3249f1991ada88a75
SHA256

62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5
SHA512

005cd69b9ca86cf17a972776327425fa00f0d11a1592ab621901838e407ff6f6e3a0c538e87213adbe630a755f0a5da7e6a5e717d9748cad57235f9dde02cb39
SSDEEP

1536:e6q10k0EFjed6rqJ+6vghzwYu7vih9GueIh9j2IoHAcBHUIF2kvEHrH1hyhuhrhM:E1oEFlt6vghzwYu7vih9GueIh9j2IoHr

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
2692	microsofthelp.exe

Executes dropped EXE 1 IoCs

pid	Process
2692	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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\microsofthelp = "C:\\Windows\\microsofthelp.exe"	62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\microsofthelp.exe	62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.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	62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 2692	2372	62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe	31
PID 2372 wrote to memory of 2692	2372	62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe	31
PID 2372 wrote to memory of 2692	2372	62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe	31
PID 2372 wrote to memory of 2692	2372	62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe	31

C:\Users\Admin\AppData\Local\Temp\62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.exe
"C:\Users\Admin\AppData\Local\Temp\62fdbe8ce008c30b8d14f1fd3d96f414e1cab9eea1fabd01bd6860864a2013a5N.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:2692

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
77KB

MD5
daddbfaeec82bf53afbf3071a1d3bf19

SHA1
4e4acd7b34dbb43102ad305772847731076ba202

SHA256
b1040344f3f2c6aec413e0505549bce01b3e452391d3c0f7c13723172fe67189

SHA512
21929b0c1247318bd9b04801a30b09d927964ffc1531ea727299f13d503d0d6f035be7301816c3c32c4ac7dd05def15001fc5eced717186a5fcf65fce604875e

Download Submit
memory/2372-0-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2372-7-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2692-9-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2692-11-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads