blustealer | 04ed81e966c2ed610dea41efe3251e15ad3a9a899ae27a81c02e9950e4367306

General

Target

SecuriteInfo.com.Win32.RATX-gen.14698.exe
Size

141KB
MD5

6d3b71b1ca2ca00cccc6cfe506391709
SHA1

69ac0b6f247035d691fe78924059c139f420b599
SHA256

04ed81e966c2ed610dea41efe3251e15ad3a9a899ae27a81c02e9950e4367306
SHA512

c498eaf7e6cea3f2cd402b173d376bea9ffd5fab02417df6a28d5b298834b67e213904f94cdc77bf62e9df46081f6eae4b7c443baa76ae592f269e39d642d030
SSDEEP

3072:bZdqCJJGPEIz3QZqzJqmjuAUa7srVqt0x5y8:7qOJG73QMAAUa7sri0x

Score

10^/10

blustealer stormkitty collection spyware stealer

Malware Config

Signatures

BluStealer
A Modular information stealer written in Visual Basic.
stealer blustealer
StormKitty
StormKitty is an open source info stealer written in C#.
stealer stormkitty

StormKitty payload 4 IoCs

resource	yara_rule
behavioral1/memory/1500-70-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1500-71-0x00000000000E4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/1500-73-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty
behavioral1/memory/1500-75-0x00000000000D0000-0x00000000000EA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 960 set thread context of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 1484 set thread context of 1500	1484	cvtres.exe	29

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	AppLaunch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	AppLaunch.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
960	SecuriteInfo.com.Win32.RATX-gen.14698.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe
Token: SeDebugPrivilege	1500	AppLaunch.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1484	cvtres.exe

Suspicious use of WriteProcessMemory 22 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 280	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	27
PID 960 wrote to memory of 280	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	27
PID 960 wrote to memory of 280	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	27
PID 960 wrote to memory of 280	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	27
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 960 wrote to memory of 1484	960	SecuriteInfo.com.Win32.RATX-gen.14698.exe	28
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29
PID 1484 wrote to memory of 1500	1484	cvtres.exe	29

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.14698.exe
"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.RATX-gen.14698.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:960
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  PID:280
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe"
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1484
- - 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
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:1500

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

1

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/960-54-0x00000000002A0000-0x00000000002C8000-memory.dmp

Filesize
160KB

Download
memory/960-55-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/1484-67-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/1484-77-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1484-59-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1484-61-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1484-64-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1484-56-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1484-57-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1484-78-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/1500-68-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1500-73-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1500-75-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download
memory/1500-70-0x00000000000D0000-0x00000000000EA000-memory.dmp

Filesize
104KB

Download

Analysis

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