Analysis
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max time kernel
122s -
max time network
126s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
25-10-2022 16:42
Static task
static1
Behavioral task
behavioral1
Sample
9c46fdf7827bce482555180c932d47d8.exe
Resource
win7-20220901-en
General
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Target
9c46fdf7827bce482555180c932d47d8.exe
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Size
584KB
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MD5
9c46fdf7827bce482555180c932d47d8
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SHA1
1ae60690cc27ec74be8f4334e0e9fbfd05fdffa0
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SHA256
637e17723ea88878915ba42095680ee5438c22a88a4538137b3174dd4e2e8c6a
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SHA512
36e6295ebe04db32830646b301c4aff10e1b3365dfe10d8801b15af2a0237c3a16e6b77528ff13fe3f0d0929e20b573bc4466d5d06c441862bd6c72cdb5652c1
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SSDEEP
12288:zNZwI+hBtAnzo+YSSwiG5LgpRwMX6HhJ6qnepnU55dTOdQ:zADhBmzovSSm5CK7hekdTOdQ
Malware Config
Signatures
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NetWire RAT payload 7 IoCs
Processes:
resource yara_rule behavioral1/memory/700-70-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral1/memory/700-71-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral1/memory/700-73-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral1/memory/700-76-0x00000000004026D0-mapping.dmp netwire behavioral1/memory/700-75-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral1/memory/700-79-0x0000000000400000-0x000000000042B000-memory.dmp netwire behavioral1/memory/700-80-0x0000000000400000-0x000000000042B000-memory.dmp netwire -
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:
9c46fdf7827bce482555180c932d47d8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9c46fdf7827bce482555180c932d47d8.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9c46fdf7827bce482555180c932d47d8.exe Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9c46fdf7827bce482555180c932d47d8.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
9c46fdf7827bce482555180c932d47d8.exedescription pid process target process PID 1204 set thread context of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.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 1 IoCs
Processes:
powershell.exepid process 1520 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1520 powershell.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
9c46fdf7827bce482555180c932d47d8.exedescription pid process target process PID 1204 wrote to memory of 1520 1204 9c46fdf7827bce482555180c932d47d8.exe powershell.exe PID 1204 wrote to memory of 1520 1204 9c46fdf7827bce482555180c932d47d8.exe powershell.exe PID 1204 wrote to memory of 1520 1204 9c46fdf7827bce482555180c932d47d8.exe powershell.exe PID 1204 wrote to memory of 1520 1204 9c46fdf7827bce482555180c932d47d8.exe powershell.exe PID 1204 wrote to memory of 620 1204 9c46fdf7827bce482555180c932d47d8.exe schtasks.exe PID 1204 wrote to memory of 620 1204 9c46fdf7827bce482555180c932d47d8.exe schtasks.exe PID 1204 wrote to memory of 620 1204 9c46fdf7827bce482555180c932d47d8.exe schtasks.exe PID 1204 wrote to memory of 620 1204 9c46fdf7827bce482555180c932d47d8.exe schtasks.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe PID 1204 wrote to memory of 700 1204 9c46fdf7827bce482555180c932d47d8.exe 9c46fdf7827bce482555180c932d47d8.exe -
outlook_office_path 1 IoCs
Processes:
9c46fdf7827bce482555180c932d47d8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9c46fdf7827bce482555180c932d47d8.exe -
outlook_win_path 1 IoCs
Processes:
9c46fdf7827bce482555180c932d47d8.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 9c46fdf7827bce482555180c932d47d8.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe"C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1204 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NezZmiraIRHJRN.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1520 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NezZmiraIRHJRN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD2BB.tmp"2⤵
- Creates scheduled task(s)
PID:620 -
C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe"C:\Users\Admin\AppData\Local\Temp\9c46fdf7827bce482555180c932d47d8.exe"2⤵
- Accesses Microsoft Outlook profiles
- outlook_office_path
- outlook_win_path
PID:700
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
1KB
MD54f0c3cd5791bac5cde3e296b3e78d443
SHA1d550ae3cffe3b937255d8bb9ef14ff45a891488c
SHA25671c3c59e68c90f3dbee2a307760cb84830fc587f0885e33a1fa14fd86b913339
SHA512b8ed41334e8e77ebbc6fabf9d57b84b7e51aefd4dc57acb398f1ec95bf103d69bf5db31941d236f7f199b14261fb993773c699bce0a5adc6c9fec7e9bc6e8bef