Analysis
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max time kernel
141s -
max time network
142s -
platform
windows7_x64 -
resource
win7-en-20211208 -
submitted
13-12-2021 15:06
Static task
static1
Behavioral task
behavioral1
Sample
2fe0d9dfd0fbaa96190944e7476165e9.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
2fe0d9dfd0fbaa96190944e7476165e9.exe
Resource
win10-en-20211208
General
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Target
2fe0d9dfd0fbaa96190944e7476165e9.exe
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Size
491KB
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MD5
2fe0d9dfd0fbaa96190944e7476165e9
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SHA1
4d19923e1648170f22388b60d5b2eee85e894136
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SHA256
5a973c144d49d4ca870852219ed8de091cd22359160c82f00c1c5868ab0b124f
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SHA512
d8c21aa9aca37bf20a3785c8ae675756b51061da9864950cc6ed2c942619e975802415940d94592c1de1ab6c13cee0fe82702ed547343620c7ce03b8c7fd9a2e
Malware Config
Extracted
matiex
Protocol: smtp- Host:
mail.salujaford.in - Port:
587 - Username:
[email protected] - Password:
saluja@#$chd
Signatures
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Matiex Main Payload 5 IoCs
Processes:
resource yara_rule behavioral1/memory/576-64-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/576-65-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/576-67-0x00000000004709CE-mapping.dmp family_matiex behavioral1/memory/576-66-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/576-68-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex -
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 4 checkip.dyndns.org 8 freegeoip.app 9 freegeoip.app -
Suspicious use of SetThreadContext 1 IoCs
Processes:
2fe0d9dfd0fbaa96190944e7476165e9.exedescription pid process target process PID 1432 set thread context of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.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:
2fe0d9dfd0fbaa96190944e7476165e9.exepid process 576 2fe0d9dfd0fbaa96190944e7476165e9.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
2fe0d9dfd0fbaa96190944e7476165e9.exedescription pid process Token: SeDebugPrivilege 576 2fe0d9dfd0fbaa96190944e7476165e9.exe -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
2fe0d9dfd0fbaa96190944e7476165e9.exedescription pid process target process PID 1432 wrote to memory of 756 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe schtasks.exe PID 1432 wrote to memory of 756 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe schtasks.exe PID 1432 wrote to memory of 756 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe schtasks.exe PID 1432 wrote to memory of 756 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe schtasks.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe PID 1432 wrote to memory of 576 1432 2fe0d9dfd0fbaa96190944e7476165e9.exe 2fe0d9dfd0fbaa96190944e7476165e9.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2fe0d9dfd0fbaa96190944e7476165e9.exe"C:\Users\Admin\AppData\Local\Temp\2fe0d9dfd0fbaa96190944e7476165e9.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ogCLil" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA5F0.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\2fe0d9dfd0fbaa96190944e7476165e9.exe"{path}"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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C:\Users\Admin\AppData\Local\Temp\tmpA5F0.tmpMD5
b51eb9fdc51032bb3bb412db19c174f7
SHA1c1a9a6c81ff8cce3692b1dcc7cfc86bcfb8f7979
SHA256988adbcb7e4e0231fca62ed93d5cac958553797d8c57ed32542e7c3d5307b0b6
SHA5120d4bbeca9808a70288d4e3366b96a34e4a2f5e983e9898222c276c4cbdf33de25eb240306a17553d4790882ada5f8a1d79edb02efff85aecc9359086edd54795
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memory/576-64-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/576-67-0x00000000004709CE-mapping.dmp
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memory/576-70-0x0000000005700000-0x0000000005701000-memory.dmpFilesize
4KB
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memory/576-68-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/576-66-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/576-65-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/576-62-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/576-63-0x0000000000400000-0x0000000000476000-memory.dmpFilesize
472KB
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memory/756-60-0x0000000000000000-mapping.dmp
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memory/1432-54-0x0000000000D00000-0x0000000000D01000-memory.dmpFilesize
4KB
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memory/1432-56-0x0000000075F21000-0x0000000075F23000-memory.dmpFilesize
8KB
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memory/1432-57-0x0000000004D40000-0x0000000004D41000-memory.dmpFilesize
4KB
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memory/1432-59-0x0000000007EF0000-0x0000000007F9C000-memory.dmpFilesize
688KB
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memory/1432-58-0x00000000005B0000-0x00000000005C6000-memory.dmpFilesize
88KB