Analysis
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max time kernel
150s -
max time network
123s -
platform
windows10_x64 -
resource
win10 -
submitted
31-07-2020 08:37
Static task
static1
Behavioral task
behavioral1
Sample
b5db156d5dbb5723927a1a5d4267e98e.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
b5db156d5dbb5723927a1a5d4267e98e.exe
Resource
win10
General
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Target
b5db156d5dbb5723927a1a5d4267e98e.exe
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Size
920KB
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MD5
b5db156d5dbb5723927a1a5d4267e98e
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SHA1
b62b0202e8f8502336b2d14ca4a962aac4957237
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SHA256
cc86bfa00eb04de2849ee30eab7202d0e3fcd0af3e596c4c4f0bc0e569b4a8b8
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SHA512
61d38cee019210c8b0fdbf3abd516c8b49f4b6f174e3da91783065cf4cc630c2ae75bcf28d47d4d25dfe2bc38d5f79e8a652615137e9fa7c9a35ea6dde7edb47
Malware Config
Extracted
C:\Users\Admin\AppData\Local\480F96756F\Log.txt
masslogger
Signatures
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Executes dropped EXE 3 IoCs
Processes:
sjaddjad.exesjaddjad.exesjaddjad.exepid process 744 sjaddjad.exe 3108 sjaddjad.exe 572 sjaddjad.exe -
NTFS ADS 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe:ZoneIdentifier notepad.exe -
Suspicious behavior: EnumeratesProcesses 2646 IoCs
Processes:
b5db156d5dbb5723927a1a5d4267e98e.exesjaddjad.exesjaddjad.exepid process 2956 b5db156d5dbb5723927a1a5d4267e98e.exe 2956 b5db156d5dbb5723927a1a5d4267e98e.exe 744 sjaddjad.exe 744 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe 572 sjaddjad.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
sjaddjad.exepid process 3108 sjaddjad.exe -
MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
Processes:
yara_rule masslogger_log_file -
MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
sjaddjad.exepid process 744 sjaddjad.exe -
Drops startup file 1 IoCs
Processes:
notepad.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\web.vbs notepad.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
b5db156d5dbb5723927a1a5d4267e98e.exenotepad.exesjaddjad.exedescription pid process target process PID 2956 wrote to memory of 4024 2956 b5db156d5dbb5723927a1a5d4267e98e.exe notepad.exe PID 2956 wrote to memory of 4024 2956 b5db156d5dbb5723927a1a5d4267e98e.exe notepad.exe PID 2956 wrote to memory of 4024 2956 b5db156d5dbb5723927a1a5d4267e98e.exe notepad.exe PID 2956 wrote to memory of 4024 2956 b5db156d5dbb5723927a1a5d4267e98e.exe notepad.exe PID 2956 wrote to memory of 4024 2956 b5db156d5dbb5723927a1a5d4267e98e.exe notepad.exe PID 4024 wrote to memory of 744 4024 notepad.exe sjaddjad.exe PID 4024 wrote to memory of 744 4024 notepad.exe sjaddjad.exe PID 4024 wrote to memory of 744 4024 notepad.exe sjaddjad.exe PID 744 wrote to memory of 3108 744 sjaddjad.exe sjaddjad.exe PID 744 wrote to memory of 3108 744 sjaddjad.exe sjaddjad.exe PID 744 wrote to memory of 3108 744 sjaddjad.exe sjaddjad.exe PID 744 wrote to memory of 572 744 sjaddjad.exe sjaddjad.exe PID 744 wrote to memory of 572 744 sjaddjad.exe sjaddjad.exe PID 744 wrote to memory of 572 744 sjaddjad.exe sjaddjad.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
sjaddjad.exedescription pid process target process PID 744 set thread context of 3108 744 sjaddjad.exe sjaddjad.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
sjaddjad.exedescription pid process Token: SeDebugPrivilege 3108 sjaddjad.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
sjaddjad.exepid process 3108 sjaddjad.exe -
Processes:
resource yara_rule behavioral2/memory/3108-4-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/3108-4-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/3108-8-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/3108-8-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/3108-10-0x0000000000400000-0x0000000000541000-memory.dmp upx behavioral2/memory/3108-10-0x0000000000400000-0x0000000000541000-memory.dmp upx -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 6 api.ipify.org
Processes
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C:\Users\Admin\AppData\Local\Temp\b5db156d5dbb5723927a1a5d4267e98e.exe"C:\Users\Admin\AppData\Local\Temp\b5db156d5dbb5723927a1a5d4267e98e.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\notepad.exe"C:\Windows\system32\notepad.exe"2⤵
- NTFS ADS
- Drops startup file
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe"C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe"3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
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C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe"C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe"4⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe"C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe" 2 3108 611874⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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C:\Users\Admin\AppData\Roaming\appdata\sjaddjad.exe
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memory/572-7-0x0000000000000000-mapping.dmp
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memory/744-1-0x0000000000000000-mapping.dmp
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memory/3108-5-0x000000000053FBC0-mapping.dmp
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memory/3108-8-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/3108-10-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/3108-4-0x0000000000400000-0x0000000000541000-memory.dmpFilesize
1.3MB
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memory/3108-11-0x0000000002360000-0x00000000023FA000-memory.dmpFilesize
616KB
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memory/3108-12-0x0000000002302000-0x0000000002303000-memory.dmpFilesize
4KB
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memory/4024-0-0x0000000000000000-mapping.dmp