Analysis
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max time kernel
4294178s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
09-03-2022 14:29
Static task
static1
Behavioral task
behavioral1
Sample
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe
Resource
win7-20220223-en
Behavioral task
behavioral2
Sample
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe
Resource
win10v2004-en-20220113
General
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Target
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe
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Size
714KB
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MD5
a1b7c4cb44a36d4f678d43e505890d17
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SHA1
9fdc08a85dc110468dbb7839e63269f119fadade
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SHA256
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303
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SHA512
4deccb22cdf3d9cd814315b54c5fca9f837bb5858be431719e68cdb04a1e69273888007f2bf2a7b2427f76b74f4b566144501587269d4cc07da370be8240fc38
Malware Config
Signatures
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Matiex Main Payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/1164-57-0x00000000011E0000-0x0000000001296000-memory.dmp family_matiex behavioral1/memory/964-59-0x0000000000400000-0x0000000000484000-memory.dmp family_matiex behavioral1/memory/964-60-0x0000000001140000-0x00000000011B6000-memory.dmp family_matiex -
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 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:
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.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:
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exedescription pid process target process PID 1164 set thread context of 964 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1076 964 WerFault.exe 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe -
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: MapViewOfSection 1 IoCs
Processes:
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exepid process 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exedescription pid process Token: SeDebugPrivilege 964 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.execmd.exe1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exedescription pid process target process PID 1164 wrote to memory of 908 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe cmd.exe PID 1164 wrote to memory of 908 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe cmd.exe PID 1164 wrote to memory of 908 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe cmd.exe PID 1164 wrote to memory of 908 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe cmd.exe PID 1164 wrote to memory of 964 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe PID 1164 wrote to memory of 964 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe PID 1164 wrote to memory of 964 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe PID 1164 wrote to memory of 964 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe PID 1164 wrote to memory of 964 1164 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe PID 908 wrote to memory of 764 908 cmd.exe schtasks.exe PID 908 wrote to memory of 764 908 cmd.exe schtasks.exe PID 908 wrote to memory of 764 908 cmd.exe schtasks.exe PID 908 wrote to memory of 764 908 cmd.exe schtasks.exe PID 964 wrote to memory of 1076 964 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe WerFault.exe PID 964 wrote to memory of 1076 964 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe WerFault.exe PID 964 wrote to memory of 1076 964 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe WerFault.exe PID 964 wrote to memory of 1076 964 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe WerFault.exe -
outlook_office_path 1 IoCs
Processes:
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe -
outlook_win_path 1 IoCs
Processes:
1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1405931862-909307831-4085185274-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe"C:\Users\Admin\AppData\Local\Temp\1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd /c schtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /Create /TN name /XML "C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xml"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe"C:\Users\Admin\AppData\Local\Temp\1fb4d2c2e31c42e486a28283ba1f9ec1b46643ffe2bbe46b0d096382040fe303.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 964 -s 11803⤵
- Program crash
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\e8fb1ebd850140caa97509d1d746dfb1.xmlMD5
39a7aa8aa4e26ff13dd3e81cc077ff2c
SHA12a2f757c27527e69e8ae581e1e5f2cc018ac25bb
SHA256dc468541de7d0c88600dcf6023a93530851fe5de0c3b6c328cf7fc2d82fd81e7
SHA5123dff013449489584e87c657f8700b20e2d6253d11037cc66656f483d7f0537cef2d2cb08ab7aef42a64a03cff5321676c489fb05a514aecc6eec31f5ee6e6434
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memory/964-59-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/964-60-0x0000000001140000-0x00000000011B6000-memory.dmpFilesize
472KB
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memory/964-61-0x0000000074490000-0x0000000074B7E000-memory.dmpFilesize
6.9MB
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memory/964-62-0x00000000003C1000-0x00000000003C2000-memory.dmpFilesize
4KB
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memory/964-64-0x00000000003C3000-0x00000000003C4000-memory.dmpFilesize
4KB
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memory/964-63-0x00000000003C2000-0x00000000003C3000-memory.dmpFilesize
4KB
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memory/964-65-0x00000000003C4000-0x00000000003C5000-memory.dmpFilesize
4KB
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memory/1164-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmpFilesize
8KB
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memory/1164-55-0x00000000011E0000-0x0000000001296000-memory.dmpFilesize
728KB
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memory/1164-57-0x00000000011E0000-0x0000000001296000-memory.dmpFilesize
728KB