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-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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 624 set thread context of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 672 set thread context of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe

Suspicious use of SetWindowsHookEx 1 IoCs

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

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 332	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	28
PID 624 wrote to memory of 332	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	28
PID 624 wrote to memory of 332	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	28
PID 624 wrote to memory of 332	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	28
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 624 wrote to memory of 672	624	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	29
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30
PID 672 wrote to memory of 564	672	SecuriteInfo.com.Win32.RATX-gen.24211.32173.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:624
- 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⤵
  PID:332
- 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
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:672
- - 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:564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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/564-72-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/564-79-0x0000000000E90000-0x0000000000F4C000-memory.dmp

Filesize
752KB

Download
memory/564-78-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/564-76-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/564-74-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/564-73-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/624-59-0x0000000005A50000-0x0000000005AFC000-memory.dmp

Filesize
688KB

Download
memory/624-60-0x0000000005160000-0x00000000051D6000-memory.dmp

Filesize
472KB

Download
memory/624-55-0x00000000048B0000-0x00000000048F0000-memory.dmp

Filesize
256KB

Download
memory/624-56-0x00000000048B0000-0x00000000048F0000-memory.dmp

Filesize
256KB

Download
memory/624-57-0x0000000000980000-0x0000000000992000-memory.dmp

Filesize
72KB

Download
memory/624-58-0x0000000000C60000-0x0000000000C6C000-memory.dmp

Filesize
48KB

Download
memory/624-54-0x0000000001350000-0x000000000146A000-memory.dmp

Filesize
1.1MB

Download
memory/672-66-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/672-71-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/672-68-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/672-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/672-61-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/672-62-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/672-63-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/672-80-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download

Analysis

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