Analysis
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max time kernel
84s -
max time network
142s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-05-2022 03:12
General
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Target
Quotation #257&439.exe
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Size
330KB
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MD5
78ecb4ae45b1ac19a3f0295811eacea0
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SHA1
3fae2cdcbfa40c6937be2b84e4f0044c9efcacc6
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SHA256
f8113167cfaf623d5c08b33685577743fb96bd3daca2cd915d8b3efe81ad3a8b
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SHA512
dea32cc4e7515b271a5ba8094a955577ab3f0f115654afa70e984da104a2061e3016c847952b3a8a57d363b919a61f1a39a2945dab5da9008283bcb1a2f18a8b
Malware Config
Extracted
matiex
Protocol: smtp- Host:
smtp.yandex.com - Port:
587 - Username:
beatexploit@yandex.com - Password:
welcome@100
Signatures
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Matiex
Matiex is a keylogger and infostealer first seen in July 2020.
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Matiex Main Payload 6 IoCs
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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.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
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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 3 IoCs
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Quotation #257&439.exe"C:\Users\Admin\AppData\Local\Temp\Quotation #257&439.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HjFLPuWSHUVJV" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE580.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Quotation #257&439.exe"{path}"2⤵
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 948 -s 17603⤵
- Program crash
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpE580.tmpFilesize
1KB
MD543f12409530ff471de3d6379bc0d6e34
SHA1da9c05746254231d0d82c319f594767b4664e49c
SHA256d1c3d530c255d2548d437982a644b2458452ca535e88fb3fa24cbad518b31b33
SHA5122641c13b99c151cde33f96aa0638cb462e5d8142a9b788149a5c49710a5b5c49c2387c71a3fa4f9443751ecef0d66f6c86b3e72db978a438aad96d5d5cd6e615
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memory/948-67-0x000000000046FDCE-mapping.dmp
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memory/948-66-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/948-71-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/948-69-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/948-62-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/948-65-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/948-61-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/948-64-0x0000000000400000-0x0000000000474000-memory.dmpFilesize
464KB
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memory/1520-73-0x0000000000000000-mapping.dmp
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memory/1932-56-0x0000000000270000-0x000000000027A000-memory.dmpFilesize
40KB
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memory/1932-55-0x00000000757C1000-0x00000000757C3000-memory.dmpFilesize
8KB
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memory/1932-54-0x0000000000A20000-0x0000000000A78000-memory.dmpFilesize
352KB
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memory/1932-58-0x0000000005A50000-0x0000000005AC4000-memory.dmpFilesize
464KB
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memory/1932-57-0x0000000000400000-0x000000000044E000-memory.dmpFilesize
312KB
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memory/1964-59-0x0000000000000000-mapping.dmp