Analysis
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max time kernel
134s -
max time network
129s -
platform
windows7_x64 -
resource
win7-20220718-en -
resource tags
arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system -
submitted
24-07-2022 05:26
Static task
static1
Behavioral task
behavioral1
Sample
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe
Resource
win7-20220718-en
Behavioral task
behavioral2
Sample
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe
Resource
win10v2004-20220721-en
General
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Target
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe
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Size
603KB
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MD5
b093dda14ab2bcceaf790f760db88d6c
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SHA1
36e9e7b9251fff0ef819c0b70d21f0d606c2a543
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SHA256
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab
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SHA512
a3bcc2a911abd3cfb24466488ec3ab8293cd233f979a8b0763c7828704e4b472be832eab4c94b6dc656638673f8b68daa813fb0b10a9e66f5b13296fa17d254f
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
index.exeindex.exepid process 1304 index.exe 1264 index.exe -
Loads dropped DLL 1 IoCs
Processes:
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exepid process 992 59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.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:
index.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe Key opened \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe Key opened \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows\CurrentVersion\Run\index = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\index.exe -boot" 59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.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 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
index.exedescription pid process target process PID 1304 set thread context of 1264 1304 index.exe index.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
index.exepid process 1264 index.exe 1264 index.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exeindex.exeindex.exedescription pid process Token: SeDebugPrivilege 992 59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe Token: SeDebugPrivilege 1304 index.exe Token: SeDebugPrivilege 1264 index.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
index.exepid process 1264 index.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exeindex.exedescription pid process target process PID 992 wrote to memory of 1304 992 59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe index.exe PID 992 wrote to memory of 1304 992 59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe index.exe PID 992 wrote to memory of 1304 992 59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe index.exe PID 992 wrote to memory of 1304 992 59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe PID 1304 wrote to memory of 1264 1304 index.exe index.exe -
outlook_office_path 1 IoCs
Processes:
index.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe -
outlook_win_path 1 IoCs
Processes:
index.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4084403625-2215941253-1760665084-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 index.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe"C:\Users\Admin\AppData\Local\Temp\59155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
603KB
MD5b093dda14ab2bcceaf790f760db88d6c
SHA136e9e7b9251fff0ef819c0b70d21f0d606c2a543
SHA25659155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab
SHA512a3bcc2a911abd3cfb24466488ec3ab8293cd233f979a8b0763c7828704e4b472be832eab4c94b6dc656638673f8b68daa813fb0b10a9e66f5b13296fa17d254f
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
603KB
MD5b093dda14ab2bcceaf790f760db88d6c
SHA136e9e7b9251fff0ef819c0b70d21f0d606c2a543
SHA25659155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab
SHA512a3bcc2a911abd3cfb24466488ec3ab8293cd233f979a8b0763c7828704e4b472be832eab4c94b6dc656638673f8b68daa813fb0b10a9e66f5b13296fa17d254f
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
603KB
MD5b093dda14ab2bcceaf790f760db88d6c
SHA136e9e7b9251fff0ef819c0b70d21f0d606c2a543
SHA25659155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab
SHA512a3bcc2a911abd3cfb24466488ec3ab8293cd233f979a8b0763c7828704e4b472be832eab4c94b6dc656638673f8b68daa813fb0b10a9e66f5b13296fa17d254f
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\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\index.exeFilesize
603KB
MD5b093dda14ab2bcceaf790f760db88d6c
SHA136e9e7b9251fff0ef819c0b70d21f0d606c2a543
SHA25659155d4b1847f13be514faa25263ff9bb9c8b46b873a03fa358622d86c3bedab
SHA512a3bcc2a911abd3cfb24466488ec3ab8293cd233f979a8b0763c7828704e4b472be832eab4c94b6dc656638673f8b68daa813fb0b10a9e66f5b13296fa17d254f
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memory/992-54-0x0000000075441000-0x0000000075443000-memory.dmpFilesize
8KB
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memory/992-61-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB
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memory/992-55-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB
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memory/1264-64-0x0000000000402000-0x0000000000434000-memory.dmpFilesize
200KB
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memory/1264-67-0x0000000000400000-0x0000000000401000-memory.dmpFilesize
4KB
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memory/1264-66-0x0000000000400000-0x0000000000401000-memory.dmpFilesize
4KB
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memory/1264-69-0x0000000000402000-0x0000000000434000-memory.dmpFilesize
200KB
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memory/1264-72-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB
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memory/1264-73-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB
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memory/1304-62-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB
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memory/1304-63-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB
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memory/1304-57-0x0000000000000000-mapping.dmp
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memory/1304-71-0x0000000074A50000-0x0000000074FFB000-memory.dmpFilesize
5.7MB