blustealer | d7cd5ce46ffb8abe6ee2cb0c2a9f6528d8121fb90bd4072e71cd901099885eb3

General

Target

TRANSFERIR COPIA_26-01-2023.exe
Size

124KB
MD5

6b6158281be7a4c6d27c26a19584a506
SHA1

642977b3de3a0d226859228dae11cb5d74ff0472
SHA256

d7cd5ce46ffb8abe6ee2cb0c2a9f6528d8121fb90bd4072e71cd901099885eb3
SHA512

ad9fda9a3a6f251f5bbfecf0a7b0aac322f9593e2ceca758aeaef42f651351ca0b77e346651f7b25cbfdb2d05b8fb1f7bb40e50bd7fbff78c4099c9905f8f506
SSDEEP

3072:hzVvRQ0DOtiT3VLK8LEN7m8lneeF1eujsqk7jx++eH6:hpJpOtQON7m8de6okkB++eH

Score

10^/10

blustealer stormkitty collection spyware stealer

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5627356603:AAG-Mx0TbSHRRW6IwndrpX3VLZdhd6C-Zac/sendMessage?chat_id=5472437377

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

Processes:

resource	yara_rule
behavioral1/memory/2024-69-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/2024-70-0x00000000000A4F6E-mapping.dmp	family_stormkitty
behavioral1/memory/2024-72-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty
behavioral1/memory/2024-74-0x0000000000090000-0x00000000000AA000-memory.dmp	family_stormkitty

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\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.

Processes:

flow ioc

3 icanhazip.com

flow	ioc
3	icanhazip.com

Suspicious use of SetThreadContext 2 IoCs

Processes:

TRANSFERIR COPIA_26-01-2023.exeCaspol.exe

description	pid	process	target process
PID 756 set thread context of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 2040 set thread context of 2024	2040	Caspol.exe	AppLaunch.exe

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

Processes:

AppLaunch.exe

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 use of AdjustPrivilegeToken 1 IoCs

Processes:

AppLaunch.exe

description pid process

Token: SeDebugPrivilege 2024 AppLaunch.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Caspol.exe

pid process

2040 Caspol.exe

description	pid	process
Token: SeDebugPrivilege	2024	AppLaunch.exe

pid	process
2040	Caspol.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

TRANSFERIR COPIA_26-01-2023.exeCaspol.exe

description	pid	process	target process
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 756 wrote to memory of 2040	756	TRANSFERIR COPIA_26-01-2023.exe	Caspol.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe
PID 2040 wrote to memory of 2024	2040	Caspol.exe	AppLaunch.exe

outlook_office_path 1 IoCs

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

outlook_win_path 1 IoCs

Processes:

AppLaunch.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	AppLaunch.exe

C:\Users\Admin\AppData\Local\Temp\TRANSFERIR COPIA_26-01-2023.exe
"C:\Users\Admin\AppData\Local\Temp\TRANSFERIR COPIA_26-01-2023.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:756

C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2040

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:2024

Network

MITRE ATT&CK Matrix ATT&CK 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

Email Collection

1

T1114

Data from Local System

1

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/756-54-0x0000000000040000-0x0000000000068000-memory.dmp

Filesize
160KB

Download
memory/2024-67-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2024-74-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2024-72-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2024-70-0x00000000000A4F6E-mapping.dmp

Download
memory/2024-69-0x0000000000090000-0x00000000000AA000-memory.dmp

Filesize
104KB

Download
memory/2040-58-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2040-66-0x0000000075ED1000-0x0000000075ED3000-memory.dmp

Filesize
8KB

Download
memory/2040-63-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2040-60-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2040-61-0x0000000000401B6C-mapping.dmp

Download
memory/2040-56-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2040-55-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/2040-76-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads