Analysis
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max time kernel
143s -
max time network
150s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
08-01-2022 07:40
Static task
static1
Behavioral task
behavioral1
Sample
bef1a1a790d0fc2997ad2b61e45a681e.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
bef1a1a790d0fc2997ad2b61e45a681e.exe
Resource
win10-en-20211208
General
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Target
bef1a1a790d0fc2997ad2b61e45a681e.exe
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Size
380KB
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MD5
bef1a1a790d0fc2997ad2b61e45a681e
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SHA1
4977286549133a45f5314f0a61e59365ba5444e5
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SHA256
3b556f8a00ec76eae2da65106515802e6ccf7f207b93caa00908e412e34e2384
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SHA512
1a8bbf47f912f5959a21ebf4c92f8639305d8b45df5337fdf117bf9d258dab1685842269cc5fe6849d0e966a9ea6d0c42cec2e763b55d2ae8f93d964f709626e
Malware Config
Extracted
matiex
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
[email protected] - Password:
wellcome100
Signatures
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Matiex Main Payload 5 IoCs
Processes:
resource yara_rule behavioral2/memory/952-126-0x0000000000400000-0x0000000000474000-memory.dmp family_matiex behavioral2/memory/952-127-0x000000000046EA4E-mapping.dmp family_matiex behavioral2/memory/952-129-0x0000000000400000-0x0000000000474000-memory.dmp family_matiex behavioral2/memory/952-130-0x0000000000400000-0x0000000000474000-memory.dmp family_matiex behavioral2/memory/952-140-0x00000000051D0000-0x00000000056CE000-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 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
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bef1a1a790d0fc2997ad2b61e45a681e.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bef1a1a790d0fc2997ad2b61e45a681e.exe Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bef1a1a790d0fc2997ad2b61e45a681e.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 27 checkip.dyndns.org 29 freegeoip.app 30 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exedescription pid process target process PID 2520 set thread context of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exePowershell.exebef1a1a790d0fc2997ad2b61e45a681e.exepid process 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe 4052 Powershell.exe 4052 Powershell.exe 952 bef1a1a790d0fc2997ad2b61e45a681e.exe 4052 Powershell.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exepid process 952 bef1a1a790d0fc2997ad2b61e45a681e.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exepid process 952 bef1a1a790d0fc2997ad2b61e45a681e.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exePowershell.exebef1a1a790d0fc2997ad2b61e45a681e.exedescription pid process Token: SeDebugPrivilege 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe Token: SeDebugPrivilege 4052 Powershell.exe Token: SeDebugPrivilege 952 bef1a1a790d0fc2997ad2b61e45a681e.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exepid process 952 bef1a1a790d0fc2997ad2b61e45a681e.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exebef1a1a790d0fc2997ad2b61e45a681e.exedescription pid process target process PID 2520 wrote to memory of 1456 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 1456 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 1456 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 728 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 728 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 728 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 952 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe bef1a1a790d0fc2997ad2b61e45a681e.exe PID 2520 wrote to memory of 4052 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe Powershell.exe PID 2520 wrote to memory of 4052 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe Powershell.exe PID 2520 wrote to memory of 4052 2520 bef1a1a790d0fc2997ad2b61e45a681e.exe Powershell.exe PID 952 wrote to memory of 1372 952 bef1a1a790d0fc2997ad2b61e45a681e.exe netsh.exe PID 952 wrote to memory of 1372 952 bef1a1a790d0fc2997ad2b61e45a681e.exe netsh.exe PID 952 wrote to memory of 1372 952 bef1a1a790d0fc2997ad2b61e45a681e.exe netsh.exe -
outlook_office_path 1 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bef1a1a790d0fc2997ad2b61e45a681e.exe -
outlook_win_path 1 IoCs
Processes:
bef1a1a790d0fc2997ad2b61e45a681e.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2361464256-2201551969-2316606395-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 bef1a1a790d0fc2997ad2b61e45a681e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"C:\Users\Admin\AppData\Local\Temp\bef1a1a790d0fc2997ad2b61e45a681e.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/952-127-0x000000000046EA4E-mapping.dmp
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memory/952-148-0x0000000006830000-0x00000000068C2000-memory.dmpFilesize
584KB
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memory/952-136-0x0000000005240000-0x00000000052A6000-memory.dmpFilesize
408KB
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memory/952-134-0x00000000056D0000-0x0000000005BCE000-memory.dmpFilesize
5.0MB
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memory/952-131-0x0000000005130000-0x00000000051CC000-memory.dmpFilesize
624KB
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memory/952-140-0x00000000051D0000-0x00000000056CE000-memory.dmpFilesize
5.0MB
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memory/952-149-0x00000000067F0000-0x00000000067FA000-memory.dmpFilesize
40KB
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memory/952-130-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/952-129-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/952-160-0x0000000006C10000-0x0000000006DD2000-memory.dmpFilesize
1.8MB
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memory/952-126-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/1372-150-0x0000000000000000-mapping.dmp
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memory/2520-119-0x0000000005250000-0x0000000005251000-memory.dmpFilesize
4KB
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memory/2520-125-0x0000000007900000-0x0000000007966000-memory.dmpFilesize
408KB
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memory/2520-124-0x0000000007800000-0x000000000781E000-memory.dmpFilesize
120KB
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memory/2520-123-0x0000000007700000-0x0000000007756000-memory.dmpFilesize
344KB
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memory/2520-122-0x0000000007780000-0x00000000077F6000-memory.dmpFilesize
472KB
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memory/2520-121-0x0000000005170000-0x000000000517A000-memory.dmpFilesize
40KB
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memory/2520-120-0x0000000000F10000-0x0000000000F11000-memory.dmpFilesize
4KB
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memory/2520-118-0x00000000051B0000-0x0000000005242000-memory.dmpFilesize
584KB
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memory/2520-117-0x0000000005770000-0x0000000005C6E000-memory.dmpFilesize
5.0MB
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memory/2520-116-0x0000000000760000-0x00000000007C0000-memory.dmpFilesize
384KB
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memory/2520-115-0x0000000000760000-0x00000000007C0000-memory.dmpFilesize
384KB
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memory/4052-141-0x0000000006D40000-0x0000000006D62000-memory.dmpFilesize
136KB
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memory/4052-128-0x0000000000000000-mapping.dmp
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memory/4052-138-0x00000000043A0000-0x00000000043A1000-memory.dmpFilesize
4KB
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memory/4052-137-0x0000000006DE0000-0x0000000007408000-memory.dmpFilesize
6.2MB
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memory/4052-142-0x0000000006D70000-0x0000000006DD6000-memory.dmpFilesize
408KB
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memory/4052-143-0x0000000007510000-0x0000000007576000-memory.dmpFilesize
408KB
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memory/4052-144-0x0000000007630000-0x0000000007980000-memory.dmpFilesize
3.3MB
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memory/4052-145-0x0000000007580000-0x000000000759C000-memory.dmpFilesize
112KB
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memory/4052-146-0x0000000007A40000-0x0000000007A8B000-memory.dmpFilesize
300KB
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memory/4052-147-0x0000000007D40000-0x0000000007DB6000-memory.dmpFilesize
472KB
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memory/4052-135-0x0000000000D70000-0x0000000000DA6000-memory.dmpFilesize
216KB
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memory/4052-133-0x0000000000730000-0x0000000000731000-memory.dmpFilesize
4KB
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memory/4052-132-0x0000000000730000-0x0000000000731000-memory.dmpFilesize
4KB
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memory/4052-151-0x0000000000730000-0x0000000000731000-memory.dmpFilesize
4KB
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memory/4052-159-0x0000000006DE0000-0x0000000007408000-memory.dmpFilesize
6.2MB
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memory/4052-139-0x00000000043A2000-0x00000000043A3000-memory.dmpFilesize
4KB
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memory/4052-161-0x0000000008E00000-0x0000000008E33000-memory.dmpFilesize
204KB
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memory/4052-162-0x0000000008E00000-0x0000000008E33000-memory.dmpFilesize
204KB
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memory/4052-163-0x0000000006D40000-0x0000000006D62000-memory.dmpFilesize
136KB
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memory/4052-164-0x0000000006D70000-0x0000000006DD6000-memory.dmpFilesize
408KB
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memory/4052-165-0x0000000007510000-0x0000000007576000-memory.dmpFilesize
408KB
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memory/4052-166-0x0000000007A40000-0x0000000007A8B000-memory.dmpFilesize
300KB
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memory/4052-167-0x0000000007D40000-0x0000000007DB6000-memory.dmpFilesize
472KB
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memory/4052-168-0x0000000008BA0000-0x0000000008BBE000-memory.dmpFilesize
120KB
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memory/4052-169-0x000000007E820000-0x000000007E821000-memory.dmpFilesize
4KB
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memory/4052-174-0x0000000008F30000-0x0000000008FD5000-memory.dmpFilesize
660KB
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memory/4052-175-0x0000000009120000-0x00000000091B4000-memory.dmpFilesize
592KB
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memory/4052-180-0x00000000043A3000-0x00000000043A4000-memory.dmpFilesize
4KB
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memory/4052-369-0x0000000009080000-0x000000000909A000-memory.dmpFilesize
104KB
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memory/4052-374-0x0000000009080000-0x000000000909A000-memory.dmpFilesize
104KB
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memory/4052-375-0x0000000009060000-0x0000000009068000-memory.dmpFilesize
32KB
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memory/4052-380-0x0000000009060000-0x0000000009068000-memory.dmpFilesize
32KB