blustealer | df7e9523bb289e17bb9836b44370655e6bb42ad2214e622cd737dcd0e4214fa9

General

Target

Request For Quotation - ANOPC project2022.exe
Size

1015KB
MD5

08a40049879584cdeaa55fea081c0fd1
SHA1

5a704eb5c43e7156f7f5b5b010fcb4137b1cc180
SHA256

79814d086bdd991047d33be2ba327595390dad0cc3a1276fd730ef5b5a40aac3
SHA512

f11d9f0acde7732dd10c843e7043db2b14286ca07c2ee42007c804474172194270bf9cdcd04d54f1c844c81f53e691cb1e8179efc4671cd10944a7f2d01464d6

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5330579892:AAHDIOXrD-d-pMU_JI4pPczBI962-9fokRs/sendMessage?chat_id=1494890429

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-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\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 240 set thread context of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 1904 set thread context of 1172	1904	Request For Quotation - ANOPC project2022.exe	29

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

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1904	Request For Quotation - ANOPC project2022.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 240 wrote to memory of 1904	240	Request For Quotation - ANOPC project2022.exe	28
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29
PID 1904 wrote to memory of 1172	1904	Request For Quotation - ANOPC project2022.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\Request For Quotation - ANOPC project2022.exe
"C:\Users\Admin\AppData\Local\Temp\Request For Quotation - ANOPC project2022.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:240
- C:\Users\Admin\AppData\Local\Temp\Request For Quotation - ANOPC project2022.exe
  "C:\Users\Admin\AppData\Local\Temp\Request For Quotation - ANOPC project2022.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1904
- - 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:1172

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

Loading Replay Monitor...

Downloads

memory/240-54-0x0000000000D40000-0x0000000000E44000-memory.dmp

Filesize
1.0MB

Download
memory/240-55-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/240-56-0x0000000000470000-0x0000000000488000-memory.dmp

Filesize
96KB

Download
memory/240-57-0x0000000000490000-0x000000000049C000-memory.dmp

Filesize
48KB

Download
memory/240-58-0x000000000A4E0000-0x000000000A5A0000-memory.dmp

Filesize
768KB

Download
memory/240-59-0x00000000003F0000-0x000000000046E000-memory.dmp

Filesize
504KB

Download
memory/1172-75-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1172-78-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1172-82-0x0000000000950000-0x0000000000A0C000-memory.dmp

Filesize
752KB

Download
memory/1172-80-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1172-73-0x0000000000090000-0x00000000000F6000-memory.dmp

Filesize
408KB

Download
memory/1904-72-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1904-68-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1904-60-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1904-61-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1904-65-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1904-63-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download
memory/1904-83-0x0000000000400000-0x000000000046D000-memory.dmp

Filesize
436KB

Download

Analysis

Sharing