Analysis
- max time kernel
78s - max time network
110s - platform
windows7_x64 - resource
win7-20221111-en - resource tags
- submitted
13/01/2023, 16:56
General
- Target DHL_DELIVERY_CONFIRMATION_CBJ120130222311011313.exe
- Size 875KB
- Sample230113-vfpblsed81
- SHA256 b65c9b32608d8cb0f3fab995466eadf5461a471069dc7b801c3c5b14fa75fdb8
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.cremeworkz.com
-
Port
587
-
Username
-
Password
jh!qazxsw@
Signatures
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- 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 3 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CONFIRMATION_CBJ120130222311011313.exe"C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CONFIRMATION_CBJ120130222311011313.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lVEvytapGiQ.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lVEvytapGiQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3313.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CONFIRMATION_CBJ120130222311011313.exe"C:\Users\Admin\AppData\Local\Temp\DHL_DELIVERY_CONFIRMATION_CBJ120130222311011313.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
tmp3313.tmp
memory/1380-63-0x0000000000E10000-0x0000000000E5E000-memory.dmp
memory/1380-57-0x0000000000320000-0x000000000032A000-memory.dmp
memory/1380-58-0x0000000005420000-0x00000000054A8000-memory.dmp
memory/1380-56-0x0000000000200000-0x0000000000216000-memory.dmp
memory/1380-55-0x0000000076581000-0x0000000076583000-memory.dmp
memory/1380-54-0x0000000000E70000-0x0000000000F52000-memory.dmp
memory/1644-77-0x000000006F060000-0x000000006F60B000-memory.dmp
memory/1644-76-0x000000006F060000-0x000000006F60B000-memory.dmp
memory/2008-67-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2008-68-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2008-69-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2008-72-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2008-74-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2008-64-0x0000000000400000-0x0000000000430000-memory.dmp
memory/2008-65-0x0000000000400000-0x0000000000430000-memory.dmp