Analysis
- max time kernel
146s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
02/03/2022, 02:21
General
- Target 2022-03-02_1031.xlsm
- Size 46KB
- Sample220302-cs1ajacch3
- SHA256 d75f4e69d688d6abc76351d46c030645c561196847d39d0aaead10c83f8559e8
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
http://nataliapereira.com/wp-admin/pE8xYY3x6p/
Extracted
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emotet
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Epoch4
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209.15.236.39:8080
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162.244.80.68:443
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195.154.253.60:8080
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31.24.158.56:8080
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209.126.98.206:8080
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45.142.114.231:8080
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159.8.59.82:8080
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159.65.88.10:8080
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82.165.152.127:8080
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1.234.2.232:8080
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178.79.147.66:8080
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103.75.201.4:443
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131.100.24.231:80
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129.232.188.93:443
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173.212.193.249:8080
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107.182.225.142:8080
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103.134.85.85:80
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176.104.106.96:8080
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203.114.109.124:443
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216.158.226.206:443
Signatures
- Emotet
Emotet is a trojan that is primarily spread through spam emails.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
- Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
- Drops file in System32 directory 1 IoCs
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of SetWindowsHookEx 12 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\2022-03-02_1031.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe /s ..\dw1.ocx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Nmvpytiohlrtnqcu\icfllofs.cfb"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
-
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2352-139-0x0000000010000000-0x0000000010028000-memory.dmp
memory/3268-130-0x00007FFC21630000-0x00007FFC21640000-memory.dmp
memory/3268-131-0x00007FFC21630000-0x00007FFC21640000-memory.dmp
memory/3268-132-0x00007FFC21630000-0x00007FFC21640000-memory.dmp
memory/3268-133-0x00007FFC21630000-0x00007FFC21640000-memory.dmp
memory/3268-134-0x00007FFC21630000-0x00007FFC21640000-memory.dmp
memory/3268-135-0x00007FFC6164D000-0x00007FFC6164E000-memory.dmp
memory/3268-136-0x00007FFC61650000-0x00007FFC61651000-memory.dmp