Analysis
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max time kernel
125s -
max time network
130s -
platform
windows10_x64 -
resource
win10v20201028 -
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 15 3620 rundll32.exe 16 2116 rundll32.exe -
Executes dropped EXE 1 IoCs
pid Process 2552 rween.exe -
Loads dropped DLL 2 IoCs
pid Process 3620 rundll32.exe 2116 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 3620 rundll32.exe 3620 rundll32.exe 3620 rundll32.exe 3620 rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3928 wrote to memory of 2552 3928 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 75 PID 3928 wrote to memory of 2552 3928 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 75 PID 3928 wrote to memory of 2552 3928 3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe 75 PID 2552 wrote to memory of 3572 2552 rween.exe 76 PID 2552 wrote to memory of 3572 2552 rween.exe 76 PID 2552 wrote to memory of 3572 2552 rween.exe 76 PID 3572 wrote to memory of 2832 3572 cmd.exe 78 PID 3572 wrote to memory of 2832 3572 cmd.exe 78 PID 3572 wrote to memory of 2832 3572 cmd.exe 78 PID 2552 wrote to memory of 3620 2552 rween.exe 81 PID 2552 wrote to memory of 3620 2552 rween.exe 81 PID 2552 wrote to memory of 3620 2552 rween.exe 81 PID 2552 wrote to memory of 2116 2552 rween.exe 83 PID 2552 wrote to memory of 2116 2552 rween.exe 83 PID 2552 wrote to memory of 2116 2552 rween.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe"C:\Users\Admin\AppData\Local\Temp\3abf0b6da06a8740f91acf87b964de2b314220cf14226b003af9c97acd2ce926.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3928 -
C:\ProgramData\011ab573a3\rween.exe"C:\ProgramData\011ab573a3\rween.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2552 -
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:3572 -
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:2832
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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:3620
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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:2116
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