Analysis
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max time kernel
80s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
24/05/2023, 08:01
Static task
static1
Behavioral task
behavioral1
Sample
69646.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
69646.exe
Resource
win10v2004-20230220-en
General
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Target
69646.exe
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Size
585KB
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MD5
dbbb20480801a2ae3e9c14defc69fe11
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SHA1
57b1bb736d7d7c1e0d81a29a894a2cd10da1ebe0
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SHA256
978a959c5131f0e37d076b6a2b777c35cae4f58756a3d25be2662e58301f0ebd
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SHA512
fb23297e7a346392ee76dbc20dd1ae598346220956dccfe2be42dfb016ab3ecbfe41f74fdcc6abeedaa040ead2ad82287ad4c2b4dab7b507895a6cc7d6b2ee12
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SSDEEP
12288:OUtPplTY6RhKu0kQTPx/jlbdU+Q9R7puEtuopTz:OUJTDEMoxbSpu/oRz
Malware Config
Extracted
Protocol: smtp- Host:
mail.pinnafidelis.com - Port:
587 - Username:
[email protected] - Password:
*jrdFCF7IO.J
Extracted
snakekeylogger
Protocol: smtp- Host:
mail.pinnafidelis.com - Port:
587 - Username:
[email protected] - Password:
*jrdFCF7IO.J - 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/580-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/580-64-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/580-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/580-68-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/580-70-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/580-71-0x0000000000B20000-0x0000000000B60000-memory.dmp family_snakekeylogger behavioral1/memory/580-72-0x0000000000B20000-0x0000000000B60000-memory.dmp family_snakekeylogger -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 69646.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 69646.exe Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 69646.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 1456 set thread context of 580 1456 69646.exe 28 -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 1456 69646.exe 1456 69646.exe 580 69646.exe 580 69646.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 580 69646.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1456 69646.exe Token: SeDebugPrivilege 580 69646.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 PID 1456 wrote to memory of 580 1456 69646.exe 28 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 69646.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3499517378-2376672570-1134980332-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 69646.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\69646.exe"C:\Users\Admin\AppData\Local\Temp\69646.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1456 -
C:\Users\Admin\AppData\Local\Temp\69646.exe"C:\Users\Admin\AppData\Local\Temp\69646.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:580
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