Analysis
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max time kernel
143s -
max time network
152s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
16-08-2021 06:30
Static task
static1
Behavioral task
behavioral1
Sample
emo.exe
Resource
win7v20210410
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:
depcolorer.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\counters2.dat depcolorer.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 20 IoCs
Processes:
emo.exeemo.exedepcolorer.exedepcolorer.exepid process 568 emo.exe 568 emo.exe 1800 emo.exe 1800 emo.exe 2380 depcolorer.exe 2380 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe 1252 depcolorer.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
emo.exepid process 1800 emo.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
emo.exedepcolorer.exedescription pid process target process PID 568 wrote to memory of 1800 568 emo.exe emo.exe PID 568 wrote to memory of 1800 568 emo.exe emo.exe PID 568 wrote to memory of 1800 568 emo.exe emo.exe PID 2380 wrote to memory of 1252 2380 depcolorer.exe depcolorer.exe PID 2380 wrote to memory of 1252 2380 depcolorer.exe depcolorer.exe PID 2380 wrote to memory of 1252 2380 depcolorer.exe depcolorer.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\depcolorer.exe"C:\Windows\SysWOW64\depcolorer.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\depcolorer.exe"C:\Windows\SysWOW64\depcolorer.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/568-116-0x00000000041C0000-0x00000000041D9000-memory.dmpFilesize
100KB
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memory/568-125-0x00000000041A0000-0x00000000041B9000-memory.dmpFilesize
100KB
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memory/568-126-0x00000000041E0000-0x00000000041F8000-memory.dmpFilesize
96KB
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memory/1252-134-0x0000000000000000-mapping.dmp
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memory/1252-137-0x0000000002D40000-0x0000000002D59000-memory.dmpFilesize
100KB
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memory/1252-141-0x0000000002D60000-0x0000000002D78000-memory.dmpFilesize
96KB
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memory/1800-119-0x0000000000000000-mapping.dmp
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memory/1800-123-0x00000000028B0000-0x00000000028C9000-memory.dmpFilesize
100KB
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memory/1800-127-0x0000000002860000-0x000000000291D000-memory.dmpFilesize
756KB
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memory/1800-128-0x0000000002860000-0x00000000028D7000-memory.dmpFilesize
476KB
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memory/2380-131-0x0000000002D50000-0x0000000002D69000-memory.dmpFilesize
100KB
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memory/2380-140-0x0000000002D70000-0x0000000002D88000-memory.dmpFilesize
96KB