Analysis
- max time kernel
151s - max time network
157s - platform
windows10-2004_x64 - resource
win10v2004-20230831-en - resource tags
- submitted
10/09/2023, 22:26
General
- Target e43ca6c6bff0b2ff9c4c3621ba1a206d.exe
- Size 247KB
- Sample230910-2cgwpaca3w
- SHA256 a793513b8de4a882b0b9ea762bb37d029b557b5061d85dce1064dd66006ca2bc
Malware Config
Extracted
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smokeloader
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2022
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http://77.91.68.29/fks/
Extracted
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amadey
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3.83
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http://5.42.65.80/8bmeVwqx/index.php
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install_dir
207aa4515d
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install_file
oneetx.exe
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strings_key
3e634dd0840c68ae2ced83c2be7bf0d4
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
- RedLine payload 3 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 7 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Uses the VBS compiler for execution 1 TTPs
- Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Suspicious use of SetThreadContext 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 26 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of UnmapMainImage 1 IoCs
- Suspicious use of WriteProcessMemory 56 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\e43ca6c6bff0b2ff9c4c3621ba1a206d.exe"C:\Users\Admin\AppData\Local\Temp\e43ca6c6bff0b2ff9c4c3621ba1a206d.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3644 -s 3002⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3644 -ip 36441⤵
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C:\Users\Admin\AppData\Local\Temp\6869.exeC:\Users\Admin\AppData\Local\Temp\6869.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"2⤵
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\6E95.exeC:\Users\Admin\AppData\Local\Temp\6E95.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe"C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "oneetx.exe" /P "Admin:N"&&CACLS "oneetx.exe" /P "Admin:R" /E&&echo Y|CACLS "..\207aa4515d" /P "Admin:N"&&CACLS "..\207aa4515d" /P "Admin:R" /E&&Exit3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "oneetx.exe" /P "Admin:N"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "oneetx.exe" /P "Admin:R" /E4⤵
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo Y"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "..\207aa4515d" /P "Admin:N"4⤵
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C:\Windows\SysWOW64\cacls.exeCACLS "..\207aa4515d" /P "Admin:R" /E4⤵
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN oneetx.exe /TR "C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe" /F3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\703B.exeC:\Users\Admin\AppData\Local\Temp\703B.exe1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
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C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exeC:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exeC:\Users\Admin\AppData\Local\Temp\207aa4515d\oneetx.exe1⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Roaming\jedfajaC:\Users\Admin\AppData\Roaming\jedfaja1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
oneetx.exe
oneetx.exe
oneetx.exe
oneetx.exe
oneetx.exe
6869.exe
6869.exe
6E95.exe
6E95.exe
703B.exe
703B.exe
jedfaja
jedfaja
memory/1076-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1076-1-0x0000000000400000-0x0000000000409000-memory.dmp
memory/1076-0-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3012-36-0x0000000007560000-0x0000000007570000-memory.dmp
memory/3012-51-0x0000000007F50000-0x0000000007FB6000-memory.dmp
memory/3012-33-0x0000000007400000-0x0000000007492000-memory.dmp
memory/3012-15-0x0000000000400000-0x000000000045A000-memory.dmp
memory/3012-58-0x0000000073E50000-0x0000000074600000-memory.dmp
memory/3012-39-0x00000000073B0000-0x00000000073BA000-memory.dmp
memory/3012-56-0x00000000093B0000-0x0000000009400000-memory.dmp
memory/3012-45-0x00000000084E0000-0x0000000008AF8000-memory.dmp
memory/3012-25-0x0000000073E50000-0x0000000074600000-memory.dmp
memory/3012-46-0x0000000007510000-0x0000000007522000-memory.dmp
memory/3012-49-0x0000000007800000-0x000000000790A000-memory.dmp
memory/3012-55-0x0000000008EC0000-0x0000000008EDE000-memory.dmp
memory/3012-54-0x00000000096D0000-0x0000000009BFC000-memory.dmp
memory/3012-30-0x0000000007910000-0x0000000007EB4000-memory.dmp
memory/3012-52-0x0000000008D80000-0x0000000008DF6000-memory.dmp
memory/3012-53-0x0000000008FD0000-0x0000000009192000-memory.dmp
memory/3252-2-0x0000000000FB0000-0x0000000000FC6000-memory.dmp
memory/3700-50-0x0000000007FB0000-0x0000000007FEC000-memory.dmp
memory/3700-43-0x0000000007CB0000-0x0000000007CC0000-memory.dmp
memory/3700-32-0x0000000073E50000-0x0000000074600000-memory.dmp
memory/3700-60-0x0000000073E50000-0x0000000074600000-memory.dmp
memory/3700-31-0x0000000000EF0000-0x0000000000F4A000-memory.dmp
memory/4584-24-0x0000000000D50000-0x0000000000EDE000-memory.dmp
memory/4584-14-0x0000000000D50000-0x0000000000EDE000-memory.dmp
memory/4584-13-0x0000000000D50000-0x0000000000EDE000-memory.dmp