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Analysis
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max time kernel
149s -
max time network
94s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
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submitted
11/10/2022, 07:06
General
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Target
a094342d281db61eccf530d2406b3760cc7baa6fef1bd75b162d54d9cc3b0c3f.exe
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Size
814KB
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MD5
6f806557a708ece6ff79e3d45341fcc8
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SHA1
344193fdf9877b7cada23ab145a90ca91969db31
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SHA256
a094342d281db61eccf530d2406b3760cc7baa6fef1bd75b162d54d9cc3b0c3f
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SHA512
3b93f9b2196526417219e5f11204fc42047460063a7f54629353ef93eb44513cf9d4a6e5a55997dc895ccf28c2f6779467102fb73c692ca7155933a68dd39f28
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SSDEEP
24576:/J4WIZ/LLxxIsiS7IuDXh6vSiq6zwl5JSqa9:/JBIZzFxV0uDhN2gDSqa9
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
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Loads dropped DLL 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Enumerates connected drives 3 TTPs 22 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
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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
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Suspicious behavior: RenamesItself 1 IoCs
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Suspicious use of FindShellTrayWindow 11 IoCs
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Suspicious use of SendNotifyMessage 11 IoCs
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Suspicious use of SetWindowsHookEx 2 IoCs
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Suspicious use of WriteProcessMemory 4 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a094342d281db61eccf530d2406b3760cc7baa6fef1bd75b162d54d9cc3b0c3f.exe"C:\Users\Admin\AppData\Local\Temp\a094342d281db61eccf530d2406b3760cc7baa6fef1bd75b162d54d9cc3b0c3f.exe"1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
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C:\ProgramData\defender.exeC:\ProgramData\defender.exe2⤵
- Executes dropped EXE
- Adds Run key to start application
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
794KB
MD562bee61dd5ace761b97cae0f762aa675
SHA13a997ba082d2f6180a9e02c0c4db0ac7726d067e
SHA256f2ddc46f2891f8749908879e574173f161266eeb3ff9e7fa525703dd57060781
SHA5127a949301934211bed0472b8a920b9de49ca8309ad70590a5c89084ee0f81cd2d076e960f5f1df76dce448477003cbad78870a2bb14971e7dbd908c1ae1a6cca2
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Filesize
794KB
MD562bee61dd5ace761b97cae0f762aa675
SHA13a997ba082d2f6180a9e02c0c4db0ac7726d067e
SHA256f2ddc46f2891f8749908879e574173f161266eeb3ff9e7fa525703dd57060781
SHA5127a949301934211bed0472b8a920b9de49ca8309ad70590a5c89084ee0f81cd2d076e960f5f1df76dce448477003cbad78870a2bb14971e7dbd908c1ae1a6cca2
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Filesize
794KB
MD562bee61dd5ace761b97cae0f762aa675
SHA13a997ba082d2f6180a9e02c0c4db0ac7726d067e
SHA256f2ddc46f2891f8749908879e574173f161266eeb3ff9e7fa525703dd57060781
SHA5127a949301934211bed0472b8a920b9de49ca8309ad70590a5c89084ee0f81cd2d076e960f5f1df76dce448477003cbad78870a2bb14971e7dbd908c1ae1a6cca2
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Filesize
6.8MB
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Filesize
36KB
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Filesize
6.8MB
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Filesize
6.8MB
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Filesize
8KB
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Filesize
1.6MB
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Filesize
36KB