Analysis
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max time kernel
124s -
max time network
131s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
20-02-2021 09:13
Static task
static1
Behavioral task
behavioral1
Sample
5522f4b9234aea8bbc17670cb1cfd322.exe
Resource
win7v20201028
0 signatures
0 seconds
General
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Target
5522f4b9234aea8bbc17670cb1cfd322.exe
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Size
295KB
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MD5
5522f4b9234aea8bbc17670cb1cfd322
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SHA1
cabd799a2db28208367acc365227f3916d4e0cd0
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SHA256
3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926
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SHA512
589ab3896a4af81a100844d4b12c17c355b10f850b73827bfb4c5e88c3e7aa445c79411463b7e91e8110c0d1823585c80bbb53c579094d585e218188b1f4b365
Malware Config
Extracted
Family
amadey
Version
2.11
C2
176.111.174.67/7Ndd3SnW/index.php
Signatures
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Blocklisted process makes network request 2 IoCs
flow pid Process 16 4056 rundll32.exe 17 1312 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 740 rween.exe -
Loads dropped DLL 2 IoCs
pid Process 4056 rundll32.exe 1312 rundll32.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 4 IoCs
pid Process 4056 rundll32.exe 4056 rundll32.exe 4056 rundll32.exe 4056 rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 508 wrote to memory of 740 508 5522f4b9234aea8bbc17670cb1cfd322.exe 75 PID 508 wrote to memory of 740 508 5522f4b9234aea8bbc17670cb1cfd322.exe 75 PID 508 wrote to memory of 740 508 5522f4b9234aea8bbc17670cb1cfd322.exe 75 PID 740 wrote to memory of 3716 740 rween.exe 76 PID 740 wrote to memory of 3716 740 rween.exe 76 PID 740 wrote to memory of 3716 740 rween.exe 76 PID 3716 wrote to memory of 2828 3716 cmd.exe 78 PID 3716 wrote to memory of 2828 3716 cmd.exe 78 PID 3716 wrote to memory of 2828 3716 cmd.exe 78 PID 740 wrote to memory of 4056 740 rween.exe 82 PID 740 wrote to memory of 4056 740 rween.exe 82 PID 740 wrote to memory of 4056 740 rween.exe 82 PID 740 wrote to memory of 1312 740 rween.exe 83 PID 740 wrote to memory of 1312 740 rween.exe 83 PID 740 wrote to memory of 1312 740 rween.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\5522f4b9234aea8bbc17670cb1cfd322.exe"C:\Users\Admin\AppData\Local\Temp\5522f4b9234aea8bbc17670cb1cfd322.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:508 -
C:\ProgramData\011ab573a3\rween.exe"C:\ProgramData\011ab573a3\rween.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:740 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /C REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\ProgramData\011ab573a3\3⤵
- Suspicious use of WriteProcessMemory
PID:3716 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\ProgramData\011ab573a3\4⤵PID:2828
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\ProgramData\5eba991cccd123\cred.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:4056
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\ProgramData\5eba991cccd123\scr.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:1312
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