Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2023, 07:28
Static task
static1
Behavioral task
behavioral1
Sample
23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Resource
win10v2004-20220812-en
General
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Target
23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
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Size
477KB
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MD5
447f1d5a645314beb0b1d6b0f2f5119f
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SHA1
23ee744fa24aaada6ab0a81166c2f5466d29d502
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SHA256
850f818aca36188fff35a492275cd63ba81f6e48263faa669fb5e192165f2f92
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SHA512
2a4ed5f9a933ef0330c81672c17623143ee0c3693d6c56c85632c0bac2b7a8fb049bae0af904a1bd2a16db8ac338d78d0928e0edc7f5d866170d25c19407e752
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SSDEEP
3072:N36LY3qIwBzFyIR+DSbhsR2OsHas+8yqB1LuiCx8V8rIiJzQvstptE8z0N:N36hWsHtlLv8EiFES0
Malware Config
Signatures
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation 23ee744fa24aaada6ab0a81166c2f5466d29d502.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
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Sfrdma = "\"C:\\Users\\Admin\\AppData\\Roaming\\Cffvs\\Sfrdma.exe\"" 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 39 api.ipify.org 40 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4300 set thread context of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Gathers network information 2 TTPs 2 IoCs
Uses commandline utility to view network configuration.
pid Process 2372 ipconfig.exe 3320 ipconfig.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2544 powershell.exe 2544 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe Token: SeDebugPrivilege 2544 powershell.exe Token: SeDebugPrivilege 2244 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2244 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
Suspicious use of WriteProcessMemory 23 IoCs
description pid Process procid_target PID 4300 wrote to memory of 4388 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 80 PID 4300 wrote to memory of 4388 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 80 PID 4300 wrote to memory of 4388 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 80 PID 4388 wrote to memory of 2372 4388 cmd.exe 82 PID 4388 wrote to memory of 2372 4388 cmd.exe 82 PID 4388 wrote to memory of 2372 4388 cmd.exe 82 PID 4300 wrote to memory of 2544 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 83 PID 4300 wrote to memory of 2544 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 83 PID 4300 wrote to memory of 2544 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 83 PID 4300 wrote to memory of 4328 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 85 PID 4300 wrote to memory of 4328 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 85 PID 4300 wrote to memory of 4328 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 85 PID 4328 wrote to memory of 3320 4328 cmd.exe 87 PID 4328 wrote to memory of 3320 4328 cmd.exe 87 PID 4328 wrote to memory of 3320 4328 cmd.exe 87 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 PID 4300 wrote to memory of 2244 4300 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe 88 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe -
outlook_win_path 1 IoCs
description 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 23ee744fa24aaada6ab0a81166c2f5466d29d502.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4300 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig/release2⤵
- Suspicious use of WriteProcessMemory
PID:4388 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /release3⤵
- Gathers network information
PID:2372
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2544
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c ipconfig/renew2⤵
- Suspicious use of WriteProcessMemory
PID:4328 -
C:\Windows\SysWOW64\ipconfig.exeipconfig /renew3⤵
- Gathers network information
PID:3320
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C:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exeC:\Users\Admin\AppData\Local\Temp\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2244
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\23ee744fa24aaada6ab0a81166c2f5466d29d502.exe.log
Filesize1KB
MD513b08803e0bb671919478d178f19d6e2
SHA19f8c1d2a16446f9ee1e3244f48d372aecccf4dd9
SHA256bab001392f6a9fc257a302cf557c9f571c7b352f41aedda14b049976ee5fd1c9
SHA5122fe208b9958329734a5c6ce6aa526ee20d2c02d351927e75f85f27c2ffdc3c9e3413c17dc6e0dd9eefc3fb379e936b6bef2984a6e44ffafdc7600f590398016f