blustealer | 0fabbda008ee7544a4f2d1bdaf5621f19bc41e82740f293dfe1644fc0af9230b

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
05-08-2022 06:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

SecuriteInfo.com.W32.AIDetectNet.01.19566.exe
Size

2.3MB
MD5

7278f8490937cab29d3dd5bc75cb52ab
SHA1

69a0419c995fc139ea27e731a44205cb1b686f1d
SHA256

0fabbda008ee7544a4f2d1bdaf5621f19bc41e82740f293dfe1644fc0af9230b
SHA512

71f6b363327b6ef6d5204cbfd31e2cb71d456ef54c24d53cd504bed6eec5b14079605f60cf47bc7ec9fbffe8b89ca37766b418ab236801193838417b4587deb7

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

https://api.telegram.org/bot5446953292:AAFkDq-HVam91vjV2SXkAWjbhfkBnxaPoa4/sendMessage?chat_id=1269002131

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4756 set thread context of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4508 set thread context of 3948	4508	MSBuild.exe	85

Script User-Agent 1 IoCs

Uses user-agent string associated with script host/environment.

description	flow	ioc
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe
4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4508	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4756 wrote to memory of 4508	4756	SecuriteInfo.com.W32.AIDetectNet.01.19566.exe	82
PID 4508 wrote to memory of 3948	4508	MSBuild.exe	85
PID 4508 wrote to memory of 3948	4508	MSBuild.exe	85
PID 4508 wrote to memory of 3948	4508	MSBuild.exe	85
PID 4508 wrote to memory of 3948	4508	MSBuild.exe	85
PID 4508 wrote to memory of 3948	4508	MSBuild.exe	85

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2372564722-193526734-2636556182-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.19566.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.19566.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4756
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
    3⤵
    - Accesses Microsoft Outlook profiles
    - outlook_office_path
    - outlook_win_path
    PID:3948

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3948-142-0x0000000000E00000-0x0000000000E66000-memory.dmp

Filesize
408KB

Download
memory/3948-143-0x0000000005590000-0x000000000562C000-memory.dmp

Filesize
624KB

Download
memory/4508-135-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/4508-137-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/4508-140-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/4508-144-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/4756-130-0x0000000000010000-0x000000000026C000-memory.dmp

Filesize
2.4MB

Download
memory/4756-131-0x00000000050D0000-0x0000000005674000-memory.dmp

Filesize
5.6MB

Download
memory/4756-132-0x0000000004B20000-0x0000000004BB2000-memory.dmp

Filesize
584KB

Download
memory/4756-133-0x0000000002570000-0x0000000002592000-memory.dmp

Filesize
136KB

Download