blustealer | 91be6258668b873244ec00091e663437dbb0967ee31406538376560de2b9a0e2

General

Target

SecuriteInfo.com.Variant.Barys.42241.11208.exe
Size

873KB
MD5

0cf7d7bfef7f90ec7738d843de48f8b0
SHA1

1d1acaa521f0b04301d350831c97d0d4cc34e2f7
SHA256

91be6258668b873244ec00091e663437dbb0967ee31406538376560de2b9a0e2
SHA512

43a22929ffc929f4b4de106b307bd68b50a82d34166f12b300411e530066912872d1e321562e7747aa40a5c75fa955e06391db6d2adaef98a76f42ff8dd5c61a

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5449766717:AAHzRorvKI5URgvleGHlq6ZvqElY68-XL18/sendMessage?chat_id=1293496579

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-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\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 972 set thread context of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 1160 set thread context of 908	1160	MSBuild.exe	29

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
972	SecuriteInfo.com.Variant.Barys.42241.11208.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1160	MSBuild.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 972 wrote to memory of 1160	972	SecuriteInfo.com.Variant.Barys.42241.11208.exe	28
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29
PID 1160 wrote to memory of 908	1160	MSBuild.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3762437355-3468409815-1164039494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.42241.11208.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Variant.Barys.42241.11208.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:972
- 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:1160
- - 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:908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/908-70-0x0000000000120000-0x0000000000186000-memory.dmp

Filesize
408KB

Download
memory/908-79-0x00000000045C0000-0x000000000467C000-memory.dmp

Filesize
752KB

Download
memory/908-77-0x0000000000120000-0x0000000000186000-memory.dmp

Filesize
408KB

Download
memory/908-75-0x0000000000120000-0x0000000000186000-memory.dmp

Filesize
408KB

Download
memory/908-72-0x0000000000120000-0x0000000000186000-memory.dmp

Filesize
408KB

Download
memory/972-55-0x00000000021E0000-0x00000000022B0000-memory.dmp

Filesize
832KB

Download
memory/972-56-0x00000000006D0000-0x0000000000762000-memory.dmp

Filesize
584KB

Download
memory/972-54-0x0000000000850000-0x0000000000930000-memory.dmp

Filesize
896KB

Download
memory/1160-58-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1160-69-0x0000000075CE1000-0x0000000075CE3000-memory.dmp

Filesize
8KB

Download
memory/1160-68-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1160-65-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1160-62-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1160-60-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1160-57-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1160-80-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

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