Malware Analysis Report

2025-06-16 03:27

Sample ID 230508-kaqblshf44
Target Comprovativo de Transferência.exe
SHA256 2535b5bde8fbe58fcddfbf7acf196a1290159e707c87929a1ae94bc7970e1c5c
Tags
snakekeylogger stormkitty collection keylogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2535b5bde8fbe58fcddfbf7acf196a1290159e707c87929a1ae94bc7970e1c5c

Threat Level: Known bad

The file Comprovativo de Transferência.exe was found to be: Known bad.

Malicious Activity Summary

snakekeylogger stormkitty collection keylogger spyware stealer

Snake Keylogger

Snake Keylogger payload

StormKitty

StormKitty payload

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of AdjustPrivilegeToken

outlook_office_path

outlook_win_path

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-05-08 08:24

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-05-08 08:24

Reported

2023-05-08 08:26

Platform

win7-20230220-en

Max time kernel

82s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe"

Signatures

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

StormKitty

stealer stormkitty

StormKitty payload

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2044 set thread context of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe
PID 2044 wrote to memory of 1184 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe

"C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe"

C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe

"C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 checkip.dyndns.org udp
DE 193.122.6.168:80 checkip.dyndns.org tcp
US 8.8.8.8:53 mail.libreriamarpe.com udp
ES 185.18.197.63:587 mail.libreriamarpe.com tcp

Files

memory/2044-54-0x0000000000BB0000-0x0000000000C36000-memory.dmp

memory/2044-55-0x0000000000B60000-0x0000000000BA0000-memory.dmp

memory/2044-56-0x00000000006F0000-0x00000000006FC000-memory.dmp

memory/2044-57-0x0000000000B60000-0x0000000000BA0000-memory.dmp

memory/2044-58-0x0000000000710000-0x000000000071A000-memory.dmp

memory/2044-59-0x0000000005BE0000-0x0000000005C42000-memory.dmp

memory/2044-60-0x0000000004040000-0x0000000004068000-memory.dmp

memory/1184-61-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1184-62-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1184-63-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1184-64-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1184-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1184-66-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1184-68-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1184-70-0x0000000000400000-0x0000000000426000-memory.dmp

memory/1184-71-0x0000000004410000-0x0000000004450000-memory.dmp

memory/1184-72-0x0000000004410000-0x0000000004450000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-05-08 08:24

Reported

2023-05-08 08:26

Platform

win10v2004-20230220-en

Max time kernel

135s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe"

Signatures

Snake Keylogger

stealer keylogger snakekeylogger

Snake Keylogger payload

Description Indicator Process Target
N/A N/A N/A N/A

StormKitty

stealer stormkitty

StormKitty payload

Description Indicator Process Target
N/A N/A N/A N/A

Reads user/profile data of web browsers

spyware stealer

Accesses Microsoft Outlook profiles

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A checkip.dyndns.org N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3888 set thread context of 4820 N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

outlook_office_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

outlook_win_path

Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe

"C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe"

C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe

"C:\Users\Admin\AppData\Local\Temp\Comprovativo de Transferência.exe"

Network

Country Destination Domain Proto
US 209.197.3.8:80 tcp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 117.18.237.29:80 tcp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 52.152.110.14:443 tcp
US 13.89.178.26:443 tcp
US 8.8.8.8:53 checkip.dyndns.org udp
BR 132.226.247.73:80 checkip.dyndns.org tcp
US 8.8.8.8:53 73.247.226.132.in-addr.arpa udp
US 52.152.110.14:443 tcp
US 8.8.8.8:53 mail.libreriamarpe.com udp
ES 185.18.197.63:587 mail.libreriamarpe.com tcp
US 8.8.8.8:53 2.77.109.52.in-addr.arpa udp
US 8.8.8.8:53 63.197.18.185.in-addr.arpa udp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
US 52.152.110.14:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp
US 52.152.110.14:443 tcp

Files

memory/3888-133-0x0000000000640000-0x00000000006C6000-memory.dmp

memory/3888-134-0x00000000056D0000-0x0000000005C74000-memory.dmp

memory/3888-135-0x0000000005070000-0x0000000005102000-memory.dmp

memory/3888-136-0x00000000053D0000-0x0000000005576000-memory.dmp

memory/3888-137-0x0000000005230000-0x000000000523A000-memory.dmp

memory/3888-138-0x0000000005210000-0x0000000005220000-memory.dmp

memory/3888-139-0x0000000005210000-0x0000000005220000-memory.dmp

memory/3888-140-0x0000000008200000-0x000000000829C000-memory.dmp

memory/4820-141-0x0000000000400000-0x0000000000426000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Comprovativo de Transferência.exe.log

MD5 b57b1ea0e9817bd8c90747e991b77447
SHA1 df63d993dd8b356c2aa8bdd5fed4ead467d0ef1f
SHA256 af13b787c47fa267cbca28ec758f254d5407c5a418fb86fff25ce5aec8b0f99c
SHA512 31e8ed3d1f8a3050b53e2b54ded1cde057ab76da28785347ba45a24535974207b14cb7f54f620f6e3a6e679705d7349005d7c29170d988c09c071c852cde621c

memory/4820-144-0x0000000005180000-0x0000000005190000-memory.dmp

memory/4820-145-0x0000000005180000-0x0000000005190000-memory.dmp