Analysis
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max time kernel
72s -
max time network
134s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
16/02/2023, 07:26
Static task
static1
Behavioral task
behavioral1
Sample
PO_287104.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
PO_287104.exe
Resource
win10v2004-20220812-en
General
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Target
PO_287104.exe
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Size
842KB
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MD5
f615e598d877065643acffd926d9ae49
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SHA1
5474483ec48f3e34824990140d880186fe65a87c
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SHA256
075f9863f008b047005fada351f2e8f664d3896d40d3592427c0d3c420612302
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SHA512
8a06f2816a09c4ca4f9e272bb4d8e19a41b9d88be5e3515b226729fe6db8308a20b95fcc199ca45892f7123713291b6e17de7a170b6bfdffd084f46318df8dd0
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SSDEEP
12288:JO6IyPNgrxDd/V964VTe4wSOwHau5bGdTL4iCKJYodh:Uolgrx7osTeLYbYdTL4iCK9
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot5478319803:AAHq9LkDUFBRvjOub4YfRlPURZxM59_BVnc/sendMessage?chat_id=5516439768
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 6 IoCs
resource yara_rule behavioral1/memory/1680-63-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1680-65-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1680-66-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1680-67-0x00000000004206DE-mapping.dmp family_snakekeylogger behavioral1/memory/1680-69-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger behavioral1/memory/1680-71-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_287104.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_287104.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_287104.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 1948 set thread context of 1680 1948 PO_287104.exe 27 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1680 PO_287104.exe 1680 PO_287104.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1680 PO_287104.exe -
Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 PID 1948 wrote to memory of 1680 1948 PO_287104.exe 27 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_287104.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 PO_287104.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\PO_287104.exe"C:\Users\Admin\AppData\Local\Temp\PO_287104.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1948 -
C:\Users\Admin\AppData\Local\Temp\PO_287104.exe"C:\Users\Admin\AppData\Local\Temp\PO_287104.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1680
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