Analysis
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max time kernel
103s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
25-04-2023 15:32
Static task
static1
Behavioral task
behavioral1
Sample
Confirmación de recibo de transferencia.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
Confirmación de recibo de transferencia.exe
Resource
win10v2004-20230221-en
General
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Target
Confirmación de recibo de transferencia.exe
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Size
640KB
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MD5
fa023b2ab25eb6370a8776c8a94de7a7
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SHA1
94dad9c18b4098abecd0ef367d68e393dc5e9173
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SHA256
916813387ba52a892f9a9f10f3d709745bedf80adacd9e2c42869a1131535612
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SHA512
609d898602ac0d9385464eafe3e717d0a99357921acac0da43ce2846a5329197eb4ab1dea31f998633938020de9ad42a94db91ae5d66083c52f59a63dd552dac
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SSDEEP
12288:4xm+vY07/NBDiJpbY2Mo7YENsaMrtZForsk1lDuZGZ2SSGS:Ym0/NBWprM6zNi/yrV15uv3
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.condominioaocubo.pt - Port:
587 - Username:
[email protected] - Password:
Qualidade.c3.2018 - Email To:
[email protected]
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 7 IoCs
resource yara_rule behavioral1/memory/692-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/692-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/692-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/692-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/692-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/692-71-0x0000000004BA0000-0x0000000004BE0000-memory.dmp family_snakekeylogger behavioral1/memory/692-72-0x0000000004BA0000-0x0000000004BE0000-memory.dmp family_snakekeylogger -
StormKitty
StormKitty is an open source info stealer written in C#.
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StormKitty payload 7 IoCs
resource yara_rule behavioral1/memory/692-63-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/692-64-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/692-66-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/692-68-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/692-70-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/692-71-0x0000000004BA0000-0x0000000004BE0000-memory.dmp family_stormkitty behavioral1/memory/692-72-0x0000000004BA0000-0x0000000004BE0000-memory.dmp family_stormkitty -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Confirmación de recibo de transferencia.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Confirmación de recibo de transferencia.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Confirmación de recibo de transferencia.exe -
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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1724 set thread context of 692 1724 Confirmación de recibo de transferencia.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 692 Confirmación de recibo de transferencia.exe 692 Confirmación de recibo de transferencia.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 692 Confirmación de recibo de transferencia.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 692 Confirmación de recibo de transferencia.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 PID 1724 wrote to memory of 692 1724 Confirmación de recibo de transferencia.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Confirmación de recibo de transferencia.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Confirmación de recibo de transferencia.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"C:\Users\Admin\AppData\Local\Temp\Confirmación de recibo de transferencia.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:692
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