Analysis
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max time kernel
149s -
max time network
156s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
16-08-2021 09:12
Static task
static1
Behavioral task
behavioral1
Sample
emo.exe
Resource
win7v20210408
windows7_x64
0 signatures
0 seconds
General
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Target
emo.exe
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Size
176KB
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MD5
1d314c60cf2ab83672f258033f1c9fdb
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SHA1
a076655c3e4b48b2a074a7d37210adaea0e22f92
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SHA256
459f8d96d0c21300199c87ee798b594216732a27da6c3190f36b483df9faaabf
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SHA512
82f5b8d8b4eec5dac2220a9cef857be499e0a5c6ac6b4e095633bcdfeb7892dabfd5a3ae4b19833c2e635494855a59559c032f60eae0de7aba1eceec5592efee
Malware Config
Signatures
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Drops file in System32 directory 1 IoCs
Processes:
restartaccess.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat restartaccess.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 22 IoCs
Processes:
emo.exeemo.exerestartaccess.exerestartaccess.exepid process 4460 emo.exe 4460 emo.exe 4804 emo.exe 4804 emo.exe 4176 restartaccess.exe 4176 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe 4264 restartaccess.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
emo.exepid process 4804 emo.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
emo.exerestartaccess.exedescription pid process target process PID 4460 wrote to memory of 4804 4460 emo.exe emo.exe PID 4460 wrote to memory of 4804 4460 emo.exe emo.exe PID 4460 wrote to memory of 4804 4460 emo.exe emo.exe PID 4176 wrote to memory of 4264 4176 restartaccess.exe restartaccess.exe PID 4176 wrote to memory of 4264 4176 restartaccess.exe restartaccess.exe PID 4176 wrote to memory of 4264 4176 restartaccess.exe restartaccess.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\emo.exe"C:\Users\Admin\AppData\Local\Temp\emo.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\emo.exe"C:\Users\Admin\AppData\Local\Temp\emo.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
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C:\Windows\SysWOW64\restartaccess.exe"C:\Windows\SysWOW64\restartaccess.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\restartaccess.exe"C:\Windows\SysWOW64\restartaccess.exe"2⤵
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/4176-130-0x00000000025A0000-0x00000000025B9000-memory.dmpFilesize
100KB
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memory/4176-139-0x00000000025E0000-0x00000000025F8000-memory.dmpFilesize
96KB
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memory/4264-133-0x0000000000000000-mapping.dmp
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memory/4264-137-0x00000000028C0000-0x00000000028D9000-memory.dmpFilesize
100KB
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memory/4264-140-0x00000000028E0000-0x00000000028F8000-memory.dmpFilesize
96KB
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memory/4460-116-0x0000000002B80000-0x0000000002B99000-memory.dmpFilesize
100KB
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memory/4460-125-0x0000000002B60000-0x0000000002B79000-memory.dmpFilesize
100KB
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memory/4460-126-0x00000000041C0000-0x00000000041D8000-memory.dmpFilesize
96KB
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memory/4804-119-0x0000000000000000-mapping.dmp
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memory/4804-122-0x0000000004070000-0x0000000004089000-memory.dmpFilesize
100KB
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memory/4804-127-0x0000000004090000-0x00000000040A8000-memory.dmpFilesize
96KB