Analysis
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max time kernel
90s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
29-12-2022 19:33
Static task
static1
Behavioral task
behavioral1
Sample
ab1a2739a4592069e79419ade33a167d.exe
Resource
win7-20220901-en
Behavioral task
behavioral2
Sample
ab1a2739a4592069e79419ade33a167d.exe
Resource
win10v2004-20221111-en
General
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Target
ab1a2739a4592069e79419ade33a167d.exe
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Size
576KB
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MD5
ab1a2739a4592069e79419ade33a167d
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SHA1
8ce904d93207c9fec1052095d9319bf2697eca29
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SHA256
c56e1cb494b6e10bfa87e5e7fef8a6ba8665888851ba9a0414fd3b54eba14959
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SHA512
2d78c8794963f7f332720e1c3f21c1690afebf276293af5366189be328c2aec9e994142c209925f2430f4c5f6cc3b870839170d8922f8998529fbc5db1fe3438
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SSDEEP
12288:aCe8LxGQ7MRSRAsDYeQBWlWc4b70eU06zTwjZ++R5Mi6/ZVgCp0TLAXZo:aN88Q7aQjDYLWlhW7JUyZ++R5PyZ5pc5
Malware Config
Signatures
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Matiex Main payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4384-140-0x0000000000400000-0x0000000000482000-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:
ab1a2739a4592069e79419ade33a167d.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ab1a2739a4592069e79419ade33a167d.exe Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ab1a2739a4592069e79419ade33a167d.exe Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ab1a2739a4592069e79419ade33a167d.exe -
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 6 checkip.dyndns.org 14 freegeoip.app 15 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
ab1a2739a4592069e79419ade33a167d.exedescription pid process target process PID 4364 set thread context of 4384 4364 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3888 4384 WerFault.exe ab1a2739a4592069e79419ade33a167d.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 2 IoCs
Processes:
ab1a2739a4592069e79419ade33a167d.exeab1a2739a4592069e79419ade33a167d.exepid process 2912 ab1a2739a4592069e79419ade33a167d.exe 4364 ab1a2739a4592069e79419ade33a167d.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
ab1a2739a4592069e79419ade33a167d.exedescription pid process Token: SeDebugPrivilege 4384 ab1a2739a4592069e79419ade33a167d.exe -
Suspicious use of WriteProcessMemory 16 IoCs
Processes:
ab1a2739a4592069e79419ade33a167d.execmd.exeab1a2739a4592069e79419ade33a167d.exedescription pid process target process PID 2912 wrote to memory of 2268 2912 ab1a2739a4592069e79419ade33a167d.exe cmd.exe PID 2912 wrote to memory of 2268 2912 ab1a2739a4592069e79419ade33a167d.exe cmd.exe PID 2912 wrote to memory of 2268 2912 ab1a2739a4592069e79419ade33a167d.exe cmd.exe PID 2912 wrote to memory of 4160 2912 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 2912 wrote to memory of 4160 2912 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 2912 wrote to memory of 4160 2912 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 2912 wrote to memory of 4364 2912 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 2912 wrote to memory of 4364 2912 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 2912 wrote to memory of 4364 2912 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 2268 wrote to memory of 2096 2268 cmd.exe schtasks.exe PID 2268 wrote to memory of 2096 2268 cmd.exe schtasks.exe PID 2268 wrote to memory of 2096 2268 cmd.exe schtasks.exe PID 4364 wrote to memory of 4384 4364 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 4364 wrote to memory of 4384 4364 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 4364 wrote to memory of 4384 4364 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe PID 4364 wrote to memory of 4384 4364 ab1a2739a4592069e79419ade33a167d.exe ab1a2739a4592069e79419ade33a167d.exe -
outlook_office_path 1 IoCs
Processes:
ab1a2739a4592069e79419ade33a167d.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ab1a2739a4592069e79419ade33a167d.exe -
outlook_win_path 1 IoCs
Processes:
ab1a2739a4592069e79419ade33a167d.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ab1a2739a4592069e79419ade33a167d.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"1⤵
- 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\1cf577b9dd994dc5b1fb65c6529fbb44.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\1cf577b9dd994dc5b1fb65c6529fbb44.xml"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"C:\Users\Admin\AppData\Local\Temp\ab1a2739a4592069e79419ade33a167d.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4384 -s 18964⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4384 -ip 43841⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\1cf577b9dd994dc5b1fb65c6529fbb44.xmlFilesize
1KB
MD5284af8cf030ab5d0003cf68a44204bc5
SHA14010bf27e5ce1177ac18fac30b5c1d6ac6a51cf5
SHA25697024db9c8cab0b562c8dbabfd8bfc615d99af32c00fe1e81084ca2c262a43f4
SHA51219cb855bb03da299d77bbfc28d41710c57013d7de5dcd55b70dc0af9a8799ad3472386c9375103a5bb7ccc1d51759fb188e0b3a7d96a8ab918bf341e7f6e1cd4
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memory/2096-136-0x0000000000000000-mapping.dmp
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memory/2268-132-0x0000000000000000-mapping.dmp
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memory/2912-135-0x000000000056A000-0x0000000000570000-memory.dmpFilesize
24KB
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memory/4160-133-0x0000000000000000-mapping.dmp
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memory/4364-134-0x0000000000000000-mapping.dmp
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memory/4364-138-0x00000000004FA000-0x0000000000500000-memory.dmpFilesize
24KB
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memory/4384-137-0x0000000000000000-mapping.dmp
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memory/4384-140-0x0000000000400000-0x0000000000482000-memory.dmpFilesize
520KB
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memory/4384-141-0x0000000005B20000-0x0000000005BBC000-memory.dmpFilesize
624KB
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memory/4384-142-0x0000000006170000-0x0000000006714000-memory.dmpFilesize
5.6MB
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memory/4384-143-0x0000000005BC0000-0x0000000005C26000-memory.dmpFilesize
408KB