blustealer | 02a4055e2fce4b14d2a07f2625c2329309c01dea5499294405ca78e1d800bd78

General

Target

SecuriteInfo.com.Trojan.Packed2.44634.20056.exe
Size

1.2MB
MD5

7f7ef456450f254a7bbb162af495a3d2
SHA1

b957c8cc73f9cc83cf1519a628b2f8382d52befc
SHA256

02a4055e2fce4b14d2a07f2625c2329309c01dea5499294405ca78e1d800bd78
SHA512

a481c5de7cf000d30f6a28d4f8d6712295d6de062f64722ff264b423ae37d55dafba35676d63ed4ee68e465c1ce39082e4e48ad960f31a072d6c77f94bd731c6
SSDEEP

24576:wM+L74mBfNUstzoh04C14jT7cIxSFD075acQrFclsFVTJWR22n8W5enV3mmb3r8n:f+ejTBC05lQrF6sFVTJkj8W5enV3mOI

Score

10^/10

blustealer collection stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5797428905:AAGaRRXGZN1d9GGFd3sE5x4uSpCGF0PU4m4/sendMessage?chat_id=1251788325

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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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 1628 set thread context of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 692 set thread context of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.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
692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 1628 wrote to memory of 692	1628	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	28
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29
PID 692 wrote to memory of 1320	692	SecuriteInfo.com.Trojan.Packed2.44634.20056.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1628
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:692
- - 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:1320

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/692-63-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/692-83-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/692-72-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/692-68-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/692-65-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/692-60-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/692-61-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/1320-73-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/1320-75-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/1320-78-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/1320-80-0x0000000000210000-0x0000000000276000-memory.dmp

Filesize
408KB

Download
memory/1320-82-0x0000000004C50000-0x0000000004D0C000-memory.dmp

Filesize
752KB

Download
memory/1628-59-0x00000000055D0000-0x000000000567E000-memory.dmp

Filesize
696KB

Download
memory/1628-58-0x0000000005960000-0x0000000005A42000-memory.dmp

Filesize
904KB

Download
memory/1628-57-0x0000000000370000-0x000000000037C000-memory.dmp

Filesize
48KB

Download
memory/1628-56-0x0000000000420000-0x0000000000438000-memory.dmp

Filesize
96KB

Download
memory/1628-54-0x0000000000C30000-0x0000000000D5E000-memory.dmp

Filesize
1.2MB

Download
memory/1628-55-0x00000000757B1000-0x00000000757B3000-memory.dmp

Filesize
8KB

Download

Analysis

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