Analysis
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max time kernel
90s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
23-09-2022 06:28
Static task
static1
Behavioral task
behavioral1
Sample
tmp.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
tmp.exe
Resource
win10v2004-20220812-en
General
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Target
tmp.exe
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Size
740KB
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MD5
d94e6d2a099ee896488b28452eb0d5f0
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SHA1
19db83582d45a71d83a162ed2fc90b3af5422051
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SHA256
b1e886e95c76a7a0dccc3d15bc383bc4e87ec8b8d37e83d77c12b139d57e6d9f
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SHA512
866460f614a17aadade0e5fd01ad3a8fa9eee0f0c578bc5fdfe7452020201df06626ac6b0fbe6f99fc8d5b6a6882088dea0379c960f8a969185d39d5ca40859d
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SSDEEP
12288:KBeNQD0LJU2WV0388JjsT6h2YZypOArL2I5:KBR2esjmO2YZ2Br5
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
feritkalafatoglu@frem-tr.com - Password:
LYSV$*b4 - Email To:
feritkalafatoglu@frem-tr.com
Signatures
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Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
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Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3372-144-0x0000000000400000-0x0000000000426000-memory.dmp family_snakekeylogger -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
tmp.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation tmp.exe -
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
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.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 31 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
tmp.exedescription pid process target process PID 3008 set thread context of 3372 3008 tmp.exe tmp.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
tmp.exepowershell.exetmp.exepid process 3008 tmp.exe 3008 tmp.exe 176 powershell.exe 3372 tmp.exe 176 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
tmp.exepowershell.exetmp.exedescription pid process Token: SeDebugPrivilege 3008 tmp.exe Token: SeDebugPrivilege 176 powershell.exe Token: SeDebugPrivilege 3372 tmp.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
tmp.exedescription pid process target process PID 3008 wrote to memory of 176 3008 tmp.exe powershell.exe PID 3008 wrote to memory of 176 3008 tmp.exe powershell.exe PID 3008 wrote to memory of 176 3008 tmp.exe powershell.exe PID 3008 wrote to memory of 2168 3008 tmp.exe schtasks.exe PID 3008 wrote to memory of 2168 3008 tmp.exe schtasks.exe PID 3008 wrote to memory of 2168 3008 tmp.exe schtasks.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe PID 3008 wrote to memory of 3372 3008 tmp.exe tmp.exe -
outlook_office_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe -
outlook_win_path 1 IoCs
Processes:
tmp.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 tmp.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nqpvwqLhLuF.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nqpvwqLhLuF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBF6.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\tmp.exe"C:\Users\Admin\AppData\Local\Temp\tmp.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpBF6.tmpFilesize
1KB
MD59bfc737229db47ac0e5bcfeb42ad490e
SHA15576d933c45001aecdc1954e6f2513eebb8c5e89
SHA256e013ec94b659331815a02ead4aac97c03d26665372adf2bd58fe4004aa47402b
SHA5128158f4f391a1d2d7a29b951ed610f67cf7924d75d0b103d8f0e681db1ee67bc816e9bcaafb8b336cc5ef8c0026be1e20ae5f69423010ce0a6227cfbde5fbe717
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memory/176-150-0x000000006FEB0000-0x000000006FEFC000-memory.dmpFilesize
304KB
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memory/176-156-0x00000000076F0000-0x00000000076FE000-memory.dmpFilesize
56KB
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memory/176-146-0x0000000005A60000-0x0000000005AC6000-memory.dmpFilesize
408KB
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memory/176-147-0x00000000061C0000-0x00000000061DE000-memory.dmpFilesize
120KB
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memory/176-145-0x0000000005160000-0x0000000005182000-memory.dmpFilesize
136KB
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memory/176-138-0x0000000000000000-mapping.dmp
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memory/176-149-0x00000000071A0000-0x00000000071D2000-memory.dmpFilesize
200KB
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memory/176-157-0x0000000007800000-0x000000000781A000-memory.dmpFilesize
104KB
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memory/176-141-0x0000000002810000-0x0000000002846000-memory.dmpFilesize
216KB
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memory/176-151-0x0000000006780000-0x000000000679E000-memory.dmpFilesize
120KB
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memory/176-143-0x0000000005330000-0x0000000005958000-memory.dmpFilesize
6.2MB
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memory/176-155-0x0000000007740000-0x00000000077D6000-memory.dmpFilesize
600KB
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memory/176-158-0x00000000077E0000-0x00000000077E8000-memory.dmpFilesize
32KB
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memory/176-154-0x0000000007530000-0x000000000753A000-memory.dmpFilesize
40KB
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memory/176-153-0x00000000074C0000-0x00000000074DA000-memory.dmpFilesize
104KB
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memory/176-152-0x0000000007B10000-0x000000000818A000-memory.dmpFilesize
6.5MB
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memory/2168-139-0x0000000000000000-mapping.dmp
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memory/3008-133-0x0000000005A40000-0x0000000005FE4000-memory.dmpFilesize
5.6MB
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memory/3008-132-0x0000000000AB0000-0x0000000000B70000-memory.dmpFilesize
768KB
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memory/3008-136-0x0000000007F40000-0x0000000007FDC000-memory.dmpFilesize
624KB
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memory/3008-135-0x0000000005520000-0x000000000552A000-memory.dmpFilesize
40KB
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memory/3008-134-0x0000000005530000-0x00000000055C2000-memory.dmpFilesize
584KB
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memory/3008-137-0x0000000008350000-0x00000000083B6000-memory.dmpFilesize
408KB
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memory/3372-148-0x00000000061C0000-0x0000000006382000-memory.dmpFilesize
1.8MB
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memory/3372-144-0x0000000000400000-0x0000000000426000-memory.dmpFilesize
152KB
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memory/3372-142-0x0000000000000000-mapping.dmp