Analysis
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max time kernel
120s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20231020-en -
resource tags
arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system -
submitted
23-10-2023 03:35
Static task
static1
Behavioral task
behavioral1
Sample
Design.exe
Resource
win7-20231020-en
Behavioral task
behavioral2
Sample
Design.exe
Resource
win10v2004-20231020-en
Behavioral task
behavioral3
Sample
New product.scr
Resource
win7-20231020-en
Behavioral task
behavioral4
Sample
New product.scr
Resource
win10v2004-20231020-en
Behavioral task
behavioral5
Sample
PO_202310.exe
Resource
win7-20231020-en
Behavioral task
behavioral6
Sample
PO_202310.exe
Resource
win10v2004-20231020-en
General
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Target
Design.exe
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Size
432KB
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MD5
b14e49dd5671ae89f3624ad7561731af
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SHA1
b2aa05a7ad52059560755fa04439413afe184ca3
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SHA256
0477755f4c245b988aa85d1f9375836a72953d6172a7a82f917bbf9e59dd7294
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SHA512
b803330db90b127e178abf83227ddf8f59e00d4929c686f33f6ab9be1806fb15cbca47ff3f058f20fc3d8b0afe2ddefb0b9cdcc502d22a91d2957449774d38ee
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SSDEEP
12288:yD7gUiVHOazGypq9Q/NGbEP2a6JYrOiqot:nHOazTNYEz6c
Malware Config
Extracted
snakekeylogger
https://api.telegram.org/bot6243209595:AAGECSmdSqJiVZcdFoBvotoaKcKT9Lz5Gvw/sendMessage?chat_id=1070926352
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/2056-9-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2056-11-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2056-15-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2056-17-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger behavioral1/memory/2056-20-0x0000000000400000-0x0000000000424000-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
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.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.
Processes:
flow ioc 2 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Design.exedescription pid process target process PID 1580 set thread context of 2056 1580 Design.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2056 RegAsm.exe 2056 RegAsm.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2056 RegAsm.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
Design.exedescription pid process target process PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe PID 1580 wrote to memory of 2056 1580 Design.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3986878123-1347213090-2173403696-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Design.exe"C:\Users\Admin\AppData\Local\Temp\Design.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1580 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2056