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Analysis
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max time kernel
82s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24/04/2023, 14:20
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
win10v2004-20230220-en
General
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Target
Confirmación de recibo de transferencia.exe
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Size
621KB
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MD5
34aad4cf4e2eaff477944be25df41837
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SHA1
ed808f2f8b9634e8a513401122ad8b03152742b5
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SHA256
6fa45e57a0c10b280baeef2d8a446499a2fd29f5745535cb8f7e0c0d51852009
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SHA512
136f30226265ad4e1d73cf67c10ba9f035409222cb64fa06d68d71d2fdd9e362128902fdbbbfe01510004e29e37ab1819ca61f7777f0946a6cd9df8dfc71c0c5
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SSDEEP
12288:buFqUvdP5Kq/XpKQKr2fjJswmvTPVj9Y/:bpUvKq/pKx2fjmwETt9
Malware Config
Extracted
Protocol: smtp- Host:
mail.condominioaocubo.pt - Port:
587 - Username:
[email protected] - Password:
Qualidade.c3.2018
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/320-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/320-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/320-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/320-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/320-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/320-71-0x0000000004A70000-0x0000000004AB0000-memory.dmp family_snakekeylogger behavioral1/memory/320-72-0x0000000004A70000-0x0000000004AB0000-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/320-64-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/320-63-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/320-66-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/320-68-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/320-70-0x0000000000400000-0x0000000000426000-memory.dmp family_stormkitty behavioral1/memory/320-71-0x0000000004A70000-0x0000000004AB0000-memory.dmp family_stormkitty behavioral1/memory/320-72-0x0000000004A70000-0x0000000004AB0000-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 1108 set thread context of 320 1108 Confirmación de recibo de transferencia.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 320 Confirmación de recibo de transferencia.exe 320 Confirmación de recibo de transferencia.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 320 Confirmación de recibo de transferencia.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 320 Confirmación de recibo de transferencia.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 Confirmación de recibo de transferencia.exe 28 PID 1108 wrote to memory of 320 1108 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:1108 -
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:320
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