blustealer | 1e712ef0a37d9e8d2f6ef512da2438ef05e073cde9ae6677858b9ebbd1c23b2b

General

Target

SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe
Size

1.1MB
MD5

30109593131c48efe8a355f8b387dd4a
SHA1

f6d8e1eb36925ceb97024cfe2d71f3573d72a202
SHA256

1e712ef0a37d9e8d2f6ef512da2438ef05e073cde9ae6677858b9ebbd1c23b2b
SHA512

d21fa1aaca986b5b72bb6ea9f3e2da13096b38d690f1df5ec03ef8b862909f351476a032f081afb53c409a7fb189e7f7eeb324b9ce1ebfb86727a576275b9ade
SSDEEP

24576:0ylUKXJnc1+6N1CySVIJq0UZbZctLsAKb6ah:0y+K5m+ISVIJTGbetLxKb6e

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5450700540:AAEJyEEV8BKgYUKmnCPZxp19kD9GVSRup5M/sendMessage?chat_id=5422342474

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-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1936 set thread context of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 3904 set thread context of 2636	3904	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	91

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\2796BAE63F1801E277261BA0D77770028F20EEE4\Blob = 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	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe

Script User-Agent 1 IoCs

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

description	flow	ioc
HTTP User-Agent header	41	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3904	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 1936 wrote to memory of 3904	1936	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	88
PID 3904 wrote to memory of 2636	3904	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	91
PID 3904 wrote to memory of 2636	3904	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	91
PID 3904 wrote to memory of 2636	3904	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	91
PID 3904 wrote to memory of 2636	3904	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	91
PID 3904 wrote to memory of 2636	3904	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1675742406-747946869-1029867430-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Modifies system certificate store
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3904
- - 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:2636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1936-133-0x00000000003C0000-0x00000000004DA000-memory.dmp

Filesize
1.1MB

Download
memory/1936-134-0x0000000005340000-0x00000000058E4000-memory.dmp

Filesize
5.6MB

Download
memory/1936-135-0x0000000004E70000-0x0000000004F02000-memory.dmp

Filesize
584KB

Download
memory/1936-136-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/1936-137-0x0000000005110000-0x000000000511A000-memory.dmp

Filesize
40KB

Download
memory/1936-138-0x00000000050B0000-0x00000000050C0000-memory.dmp

Filesize
64KB

Download
memory/1936-139-0x00000000070F0000-0x000000000718C000-memory.dmp

Filesize
624KB

Download
memory/2636-147-0x0000000000900000-0x0000000000966000-memory.dmp

Filesize
408KB

Download
memory/3904-140-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3904-143-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3904-146-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/3904-149-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

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