Analysis
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max time kernel
70s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
24-06-2022 08:44
Static task
static1
Behavioral task
behavioral1
Sample
File.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
File.exe
Resource
win10v2004-20220414-en
General
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Target
File.exe
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Size
1.1MB
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MD5
49a8859c0b016aa1d4fc71fec3607c41
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SHA1
e5fbe3bf3e6896b147a0f004af84caa3c059069b
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SHA256
de8211573c5ce932d6cdd2f4ffe8f350268f6d0007d7a83bf5cb88e86c87a5fa
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SHA512
2cfb2157c24fb1d2f413c752618daffc5899269d16ca97f749325c57cd62c6729d5234ee2ed2f852ee1955d1988fa0253e402d012332fdd8659a24118a40ab64
Malware Config
Signatures
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Echelon log file 1 IoCs
Detects a log file produced by Echelon.
Processes:
yara_rule echelon_log_file -
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:
File.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File.exe Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 9 api.ipify.org 10 ip-api.com 8 api.ipify.org -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 4016 timeout.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
File.exepid process 736 File.exe 736 File.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
File.exedescription pid process Token: SeDebugPrivilege 736 File.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
File.execmd.exedescription pid process target process PID 736 wrote to memory of 2292 736 File.exe cmd.exe PID 736 wrote to memory of 2292 736 File.exe cmd.exe PID 2292 wrote to memory of 4016 2292 cmd.exe timeout.exe PID 2292 wrote to memory of 4016 2292 cmd.exe timeout.exe -
outlook_office_path 1 IoCs
Processes:
File.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File.exe -
outlook_win_path 1 IoCs
Processes:
File.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 File.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\File.exe"C:\Users\Admin\AppData\Local\Temp\File.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpA56C.tmp.cmd""2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\timeout.exetimeout 43⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpA56C.tmp.cmdFilesize
153B
MD539ac3451842af3185a6ee1ae81b126f0
SHA121615734dffe9e91930c8da7d36ff1049e26a01c
SHA256303951788325c518772a04432ff0b4c727410cac600766c8939fd9fe76e0a9bf
SHA5129e9d00fec5a901471bd1a323a32cfbf4f3894fd3c4122896275b3f5e1b62a18bd3f72ec3c58f824b828ed3af383930d606d137826cee4874c27290678fce1bc2
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memory/736-130-0x000001A0D93F0000-0x000001A0D9518000-memory.dmpFilesize
1.2MB
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memory/736-131-0x00007FF9DE280000-0x00007FF9DED41000-memory.dmpFilesize
10.8MB
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memory/736-132-0x000001A0F46E0000-0x000001A0F4702000-memory.dmpFilesize
136KB
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memory/736-133-0x00007FF9DE280000-0x00007FF9DED41000-memory.dmpFilesize
10.8MB
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memory/736-137-0x00007FF9DE280000-0x00007FF9DED41000-memory.dmpFilesize
10.8MB
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memory/2292-134-0x0000000000000000-mapping.dmp
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memory/4016-136-0x0000000000000000-mapping.dmp