Analysis
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max time kernel
104s -
max time network
113s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
30-12-2020 10:56
Static task
static1
Behavioral task
behavioral1
Sample
857d76fe35dffe27c19ea691fc55b1b0.exe
Resource
win7v20201028
General
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Target
857d76fe35dffe27c19ea691fc55b1b0.exe
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Size
716KB
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MD5
857d76fe35dffe27c19ea691fc55b1b0
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SHA1
96059a573a3915358576cf47dda524f5e794e68c
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SHA256
606d71ee2279fa142144bfddb518aa863ad5b1bc0c07c03ea87f14ee5123f4f1
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SHA512
f9e09ba7bf1c6f7db891a62d2fee0ae25539ec0e99af2c2a6d02001813a0333c806e43eec0d018bd763e65919c44facba2469499dd7c3077e6af7e0d70b51339
Malware Config
Extracted
matiex
Protocol: smtp- Host:
srvc13.turhost.com - Port:
587 - Username:
info@bilgitekdagitim.com - Password:
italik2015
Signatures
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Matiex Main Payload 4 IoCs
Processes:
resource yara_rule behavioral2/memory/1968-4-0x0000000000400000-0x0000000000484000-memory.dmp family_matiex behavioral2/memory/1968-5-0x000000000040188B-mapping.dmp family_matiex behavioral2/memory/1716-6-0x0000000001810000-0x0000000001894000-memory.dmp family_matiex behavioral2/memory/1968-11-0x0000000004DB0000-0x0000000004E1F000-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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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 8 checkip.dyndns.org 11 freegeoip.app 12 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
857d76fe35dffe27c19ea691fc55b1b0.exedescription pid process target process PID 1716 set thread context of 1968 1716 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.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: EnumeratesProcesses 1 IoCs
Processes:
857d76fe35dffe27c19ea691fc55b1b0.exepid process 1968 857d76fe35dffe27c19ea691fc55b1b0.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
857d76fe35dffe27c19ea691fc55b1b0.exe857d76fe35dffe27c19ea691fc55b1b0.exepid process 3008 857d76fe35dffe27c19ea691fc55b1b0.exe 1716 857d76fe35dffe27c19ea691fc55b1b0.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
857d76fe35dffe27c19ea691fc55b1b0.exedescription pid process Token: SeDebugPrivilege 1968 857d76fe35dffe27c19ea691fc55b1b0.exe -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
857d76fe35dffe27c19ea691fc55b1b0.exe857d76fe35dffe27c19ea691fc55b1b0.execmd.exe857d76fe35dffe27c19ea691fc55b1b0.exedescription pid process target process PID 3008 wrote to memory of 1396 3008 857d76fe35dffe27c19ea691fc55b1b0.exe cmd.exe PID 3008 wrote to memory of 1396 3008 857d76fe35dffe27c19ea691fc55b1b0.exe cmd.exe PID 3008 wrote to memory of 1396 3008 857d76fe35dffe27c19ea691fc55b1b0.exe cmd.exe PID 3008 wrote to memory of 1568 3008 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 3008 wrote to memory of 1568 3008 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 3008 wrote to memory of 1568 3008 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 3008 wrote to memory of 1716 3008 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 3008 wrote to memory of 1716 3008 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 3008 wrote to memory of 1716 3008 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 1716 wrote to memory of 1968 1716 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 1716 wrote to memory of 1968 1716 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 1716 wrote to memory of 1968 1716 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 1716 wrote to memory of 1968 1716 857d76fe35dffe27c19ea691fc55b1b0.exe 857d76fe35dffe27c19ea691fc55b1b0.exe PID 1396 wrote to memory of 2256 1396 cmd.exe schtasks.exe PID 1396 wrote to memory of 2256 1396 cmd.exe schtasks.exe PID 1396 wrote to memory of 2256 1396 cmd.exe schtasks.exe PID 1968 wrote to memory of 2864 1968 857d76fe35dffe27c19ea691fc55b1b0.exe netsh.exe PID 1968 wrote to memory of 2864 1968 857d76fe35dffe27c19ea691fc55b1b0.exe netsh.exe PID 1968 wrote to memory of 2864 1968 857d76fe35dffe27c19ea691fc55b1b0.exe netsh.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\857d76fe35dffe27c19ea691fc55b1b0.exe"C:\Users\Admin\AppData\Local\Temp\857d76fe35dffe27c19ea691fc55b1b0.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\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\857d76fe35dffe27c19ea691fc55b1b0.exe"C:\Users\Admin\AppData\Local\Temp\857d76fe35dffe27c19ea691fc55b1b0.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\857d76fe35dffe27c19ea691fc55b1b0.exe"C:\Users\Admin\AppData\Local\Temp\857d76fe35dffe27c19ea691fc55b1b0.exe"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\857d76fe35dffe27c19ea691fc55b1b0.exe"C:\Users\Admin\AppData\Local\Temp\857d76fe35dffe27c19ea691fc55b1b0.exe"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile4⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\e8fb1ebd850140caa97509d1d746dfb1.xmlMD5
aa2f6636e997aaa0b01fbc78b1dabe52
SHA1fd462100fc91975dcbea8e361cf1eb8a70f6ad54
SHA256d710b6eda22285684579d8b547e5be2f48883c4bf8db39993b00df30f9dc8723
SHA5126540a3bbdbd3ab51679d5b32380e6c288bf6eba2777d067d40bfe65642ccafecd18028b102dfa46ac189d84282da2b6cb202a4f307587c5639f86834788f5104
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memory/1396-2-0x0000000000000000-mapping.dmp
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memory/1716-6-0x0000000001810000-0x0000000001894000-memory.dmpFilesize
528KB
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memory/1716-3-0x0000000000000000-mapping.dmp
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memory/1968-11-0x0000000004DB0000-0x0000000004E1F000-memory.dmpFilesize
444KB
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memory/1968-5-0x000000000040188B-mapping.dmp
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memory/1968-9-0x00000000733A0000-0x0000000073A8E000-memory.dmpFilesize
6.9MB
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memory/1968-4-0x0000000000400000-0x0000000000484000-memory.dmpFilesize
528KB
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memory/1968-13-0x0000000004FF0000-0x0000000004FF1000-memory.dmpFilesize
4KB
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memory/1968-14-0x0000000005590000-0x0000000005591000-memory.dmpFilesize
4KB
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memory/1968-15-0x0000000005100000-0x0000000005101000-memory.dmpFilesize
4KB
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memory/1968-17-0x0000000006690000-0x0000000006691000-memory.dmpFilesize
4KB
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memory/1968-18-0x0000000006860000-0x0000000006861000-memory.dmpFilesize
4KB
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memory/1968-19-0x00000000065B0000-0x00000000065B1000-memory.dmpFilesize
4KB
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memory/2256-8-0x0000000000000000-mapping.dmp
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memory/2864-16-0x0000000000000000-mapping.dmp