Analysis
- max time kernel
150s - max time network
141s - platform
windows7_x64 - resource
win7v20201028 - submitted
08/04/2021, 07:49
Static task
static1
Behavioral task
behavioral1
Sample
ed4e77ea9305aeae3b545735358b6d1b.exe
Resource
win7v20201028
0 signatures
0 seconds
General
- Target ed4e77ea9305aeae3b545735358b6d1b.exe
- Size 345KB
- Sample210408-e9vtp1qwwe
- SHA256 462874360a3b4cff7c9fab2448ae25bca022253e71af71b128af502136e8b2e6
- MD5 ed4e77ea9305aeae3b545735358b6d1b
- SHA1 5aadcc89f95baf1452776f3b6a87cd2fbc89bd30
- SHA512 4dee200e21281f63a6445c7ee9a2dec5003e6a854279b0b37cbd8121af182028e0c3f11b204c34d58bf7936ba4bd8dd936f82eac979e0081b21515797a47d641
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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amadey
Version
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2.14
C2
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cdn12-web-security.com/gf4EdsW/index.php
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shegw583reg.hopto.org/gf4EdsW/index.php
Signatures
- Executes dropped EXE 2 IoCs
pid Process 1832 brdm.exe 1784 brdm.exe - Loads dropped DLL 3 IoCs
pid Process 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 1832 brdm.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
pid Process 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 1784 brdm.exe 1784 brdm.exe - Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1680 set thread context of 1932 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 26 PID 1832 set thread context of 1784 1832 brdm.exe 28 - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 1832 brdm.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 1832 brdm.exe - Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 1680 wrote to memory of 1932 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 26 PID 1680 wrote to memory of 1932 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 26 PID 1680 wrote to memory of 1932 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 26 PID 1680 wrote to memory of 1932 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 26 PID 1680 wrote to memory of 1932 1680 ed4e77ea9305aeae3b545735358b6d1b.exe 26 PID 1932 wrote to memory of 1832 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 27 PID 1932 wrote to memory of 1832 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 27 PID 1932 wrote to memory of 1832 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 27 PID 1932 wrote to memory of 1832 1932 ed4e77ea9305aeae3b545735358b6d1b.exe 27 PID 1832 wrote to memory of 1784 1832 brdm.exe 28 PID 1832 wrote to memory of 1784 1832 brdm.exe 28 PID 1832 wrote to memory of 1784 1832 brdm.exe 28 PID 1832 wrote to memory of 1784 1832 brdm.exe 28 PID 1832 wrote to memory of 1784 1832 brdm.exe 28 PID 1784 wrote to memory of 1108 1784 brdm.exe 29 PID 1784 wrote to memory of 1108 1784 brdm.exe 29 PID 1784 wrote to memory of 1108 1784 brdm.exe 29 PID 1784 wrote to memory of 1108 1784 brdm.exe 29 PID 1108 wrote to memory of 1332 1108 cmd.exe 31 PID 1108 wrote to memory of 1332 1108 cmd.exe 31 PID 1108 wrote to memory of 1332 1108 cmd.exe 31 PID 1108 wrote to memory of 1332 1108 cmd.exe 31
Processes
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C:\Users\Admin\AppData\Local\Temp\ed4e77ea9305aeae3b545735358b6d1b.exe"C:\Users\Admin\AppData\Local\Temp\ed4e77ea9305aeae3b545735358b6d1b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1680 -
C:\Users\Admin\AppData\Local\Temp\ed4e77ea9305aeae3b545735358b6d1b.exe"C:\Users\Admin\AppData\Local\Temp\ed4e77ea9305aeae3b545735358b6d1b.exe"2⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\ProgramData\04bbb7d123\brdm.exe"C:\ProgramData\04bbb7d123\brdm.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1832 -
C:\ProgramData\04bbb7d123\brdm.exe"C:\ProgramData\04bbb7d123\brdm.exe"4⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:1784 -
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\04bbb7d123\5⤵
- Suspicious use of WriteProcessMemory
PID:1108 -
C:\Windows\SysWOW64\reg.exeREG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\User Shell Folders" /f /v Startup /t REG_SZ /d C:\ProgramData\04bbb7d123\6⤵PID:1332
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