Analysis
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max time kernel
125s -
max time network
130s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
20-02-2021 12:01
Static task
static1
Behavioral task
behavioral1
Sample
3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe
Resource
win7v20201028
windows7_x64
0 signatures
0 seconds
General
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Target
3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.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 7 1532 rundll32.exe 8 2036 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 1468 rween.exe -
Loads dropped DLL 10 IoCs
pid Process 1964 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 1964 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 1532 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 rundll32.exe 2036 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 1532 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe 1532 rundll32.exe -
Suspicious use of WriteProcessMemory 26 IoCs
description pid Process procid_target PID 1964 wrote to memory of 1468 1964 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 26 PID 1964 wrote to memory of 1468 1964 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 26 PID 1964 wrote to memory of 1468 1964 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 26 PID 1964 wrote to memory of 1468 1964 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 26 PID 1468 wrote to memory of 1176 1468 rween.exe 27 PID 1468 wrote to memory of 1176 1468 rween.exe 27 PID 1468 wrote to memory of 1176 1468 rween.exe 27 PID 1468 wrote to memory of 1176 1468 rween.exe 27 PID 1176 wrote to memory of 1736 1176 cmd.exe 29 PID 1176 wrote to memory of 1736 1176 cmd.exe 29 PID 1176 wrote to memory of 1736 1176 cmd.exe 29 PID 1176 wrote to memory of 1736 1176 cmd.exe 29 PID 1468 wrote to memory of 1532 1468 rween.exe 35 PID 1468 wrote to memory of 1532 1468 rween.exe 35 PID 1468 wrote to memory of 1532 1468 rween.exe 35 PID 1468 wrote to memory of 1532 1468 rween.exe 35 PID 1468 wrote to memory of 1532 1468 rween.exe 35 PID 1468 wrote to memory of 1532 1468 rween.exe 35 PID 1468 wrote to memory of 1532 1468 rween.exe 35 PID 1468 wrote to memory of 2036 1468 rween.exe 36 PID 1468 wrote to memory of 2036 1468 rween.exe 36 PID 1468 wrote to memory of 2036 1468 rween.exe 36 PID 1468 wrote to memory of 2036 1468 rween.exe 36 PID 1468 wrote to memory of 2036 1468 rween.exe 36 PID 1468 wrote to memory of 2036 1468 rween.exe 36 PID 1468 wrote to memory of 2036 1468 rween.exe 36
Processes
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C:\Users\Admin\AppData\Local\Temp\3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe"C:\Users\Admin\AppData\Local\Temp\3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\ProgramData\011ab573a3\rween.exe"C:\ProgramData\011ab573a3\rween.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1468 -
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:1176 -
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:1736
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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:1532
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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:2036
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