Analysis
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max time kernel
150s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
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submitted
29-01-2023 19:33
General
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Target
e65a63374804040e16bbc0027f16f1863e292071f80883915e2521ea7d2c13a1.exe
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Size
1.3MB
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MD5
961dddaec1b5d6c68d4f8513af5da04c
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SHA1
7ca4b9dbfdc0c2c443479648645b739434c484a8
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SHA256
e65a63374804040e16bbc0027f16f1863e292071f80883915e2521ea7d2c13a1
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SHA512
1a94af7539e3f8848b6d10f1597c065b8cc8b68c6ce607b224ec0114aac625118f361c8dcffa826ea9ce16cc64e66eb0c95aab1059315d57c477ad8af74929c1
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SSDEEP
24576:dVJn/G7I/BagGiOhE+cxWISFJ62I5yxZDNtRwhzliUQVI6rNYsYusC7:7J+qFOhE+WSLFKStRwhxiMKAuz7
Malware Config
Extracted
netwire
bots.xdecryptedx.life:4528
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activex_autorun
false
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copy_executable
false
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delete_original
false
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host_id
HostId-%Rand%
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keylogger_dir
%AppData%\Logs\
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lock_executable
false
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mutex
sTvcsXlx
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offline_keylogger
true
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password
Password
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registry_autorun
false
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use_mutex
true
Signatures
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NetWire RAT payload 3 IoCs
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Netwire
Netwire is a RAT with main functionalities focused password stealing and keylogging, but also includes remote control capabilities as well.
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Looks for VirtualBox Guest Additions in registry 2 TTPs 2 IoCs
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Executes dropped EXE 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 2 IoCs
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
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Drops file in System32 directory 2 IoCs
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Suspicious use of SetThreadContext 2 IoCs
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Drops file in Windows directory 2 IoCs
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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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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of WriteProcessMemory 22 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\e65a63374804040e16bbc0027f16f1863e292071f80883915e2521ea7d2c13a1.exe"C:\Users\Admin\AppData\Local\Temp\e65a63374804040e16bbc0027f16f1863e292071f80883915e2521ea7d2c13a1.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Drops file in System32 directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\SystemBooster.exe"C:\Windows\system32\SystemBooster.exe"2⤵
- Looks for VirtualBox Guest Additions in registry
- Executes dropped EXE
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"3⤵
- Drops file in Windows directory
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C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"3⤵
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C:\Windows\SysWOW64\schtasks.exe"schtasks.exe" /create /SC MINUTE /TN Booster /TR C:\Windows\system32\SystemBooster.exe2⤵
- Creates scheduled task(s)
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Windows\SysWOW64\SystemBooster.exeFilesize
1.3MB
MD5961dddaec1b5d6c68d4f8513af5da04c
SHA17ca4b9dbfdc0c2c443479648645b739434c484a8
SHA256e65a63374804040e16bbc0027f16f1863e292071f80883915e2521ea7d2c13a1
SHA5121a94af7539e3f8848b6d10f1597c065b8cc8b68c6ce607b224ec0114aac625118f361c8dcffa826ea9ce16cc64e66eb0c95aab1059315d57c477ad8af74929c1
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C:\Windows\SysWOW64\SystemBooster.exeFilesize
1.3MB
MD5961dddaec1b5d6c68d4f8513af5da04c
SHA17ca4b9dbfdc0c2c443479648645b739434c484a8
SHA256e65a63374804040e16bbc0027f16f1863e292071f80883915e2521ea7d2c13a1
SHA5121a94af7539e3f8848b6d10f1597c065b8cc8b68c6ce607b224ec0114aac625118f361c8dcffa826ea9ce16cc64e66eb0c95aab1059315d57c477ad8af74929c1
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memory/8-141-0x00000000745F0000-0x0000000074BA1000-memory.dmpFilesize
5.7MB
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memory/8-133-0x0000000000000000-mapping.dmp
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memory/8-136-0x00000000745F0000-0x0000000074BA1000-memory.dmpFilesize
5.7MB
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memory/8-137-0x00000000745F0000-0x0000000074BA1000-memory.dmpFilesize
5.7MB
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memory/632-149-0x0000000000000000-mapping.dmp
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memory/1108-139-0x0000000000000000-mapping.dmp
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memory/1108-142-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1108-145-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/1108-147-0x0000000000400000-0x0000000000420000-memory.dmpFilesize
128KB
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memory/2088-138-0x00000000745F0000-0x0000000074BA1000-memory.dmpFilesize
5.7MB
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memory/2088-132-0x00000000745F0000-0x0000000074BA1000-memory.dmpFilesize
5.7MB
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memory/2088-150-0x00000000745F0000-0x0000000074BA1000-memory.dmpFilesize
5.7MB
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memory/4748-140-0x0000000000000000-mapping.dmp