blustealer | 02a4055e2fce4b14d2a07f2625c2329309c01dea5499294405ca78e1d800bd78

General

Target

SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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 1692 set thread context of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 584 set thread context of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28

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
584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe

Suspicious use of WriteProcessMemory 18 IoCs

description	pid	Process	procid_target
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 1692 wrote to memory of 584	1692	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	27
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28
PID 584 wrote to memory of 816	584	SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1692
- C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe
  "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Packed2.44634.20056.30170.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:584
- - 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:816

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/584-63-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/584-83-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/584-72-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/584-68-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/584-65-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/584-60-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/584-61-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/816-73-0x00000000001D0000-0x0000000000236000-memory.dmp

Filesize
408KB

Download
memory/816-75-0x00000000001D0000-0x0000000000236000-memory.dmp

Filesize
408KB

Download
memory/816-78-0x00000000001D0000-0x0000000000236000-memory.dmp

Filesize
408KB

Download
memory/816-80-0x00000000001D0000-0x0000000000236000-memory.dmp

Filesize
408KB

Download
memory/816-82-0x00000000047F0000-0x00000000048AC000-memory.dmp

Filesize
752KB

Download
memory/1692-59-0x0000000005A10000-0x0000000005ABE000-memory.dmp

Filesize
696KB

Download
memory/1692-58-0x0000000005930000-0x0000000005A12000-memory.dmp

Filesize
904KB

Download
memory/1692-57-0x0000000000380000-0x000000000038C000-memory.dmp

Filesize
48KB

Download
memory/1692-56-0x00000000003F0000-0x0000000000408000-memory.dmp

Filesize
96KB

Download
memory/1692-54-0x0000000000F20000-0x000000000104E000-memory.dmp

Filesize
1.2MB

Download
memory/1692-55-0x00000000761F1000-0x00000000761F3000-memory.dmp

Filesize
8KB

Download

Analysis

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