Analysis
- max time kernel
135s - max time network
136s - platform
windows7_x64 - resource
win7v20201028 - submitted
09/11/2020, 19:49
General
- Target Invoice.bat.exe
- Size 934KB
- Sample201109-87ba2czxee
- SHA256 4100195b2a039c4612c9f9fc847470f49bf3e42978cb62fd24c8d9e8fd4324d8
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- CoreEntity .NET Packer 1 IoCs
A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
- AgentTesla Payload 1 IoCs
- rezer0 3 IoCs
Detects ReZer0, a packer with multiple versions used in various campaigns.
- 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.
- Suspicious use of SetThreadContext 2 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 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 42 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Invoice.bat.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.bat.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pQlvvOoz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp78E7.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Invoice.bat.exe"{path}"2⤵
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C:\Users\Admin\AppData\Local\Temp\Invoice.bat.exe"{path}"2⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\oToUjZkhZcmcz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7E63.tmp"3⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\Invoice.bat.exe"{path}"3⤵
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C:\Users\Admin\AppData\Local\Temp\Invoice.bat.exe"{path}"3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\uvNdZrydO" /XML "C:\Users\Admin\AppData\Local\Temp\tmp849B.tmp"4⤵
- Creates scheduled task(s)
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C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile4⤵
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1384-84-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1384-90-0x00000000051E0000-0x0000000005261000-memory.dmp
memory/1384-86-0x0000000074350000-0x0000000074A3E000-memory.dmp
memory/1384-85-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1384-82-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/1384-93-0x0000000005630000-0x00000000056A9000-memory.dmp
memory/1980-25-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-60-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-21-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-22-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-23-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-24-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-0-0x00000000743D0000-0x0000000074ABE000-memory.dmp
memory/1980-26-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-27-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-30-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-31-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-34-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-35-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-40-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-41-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-42-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-43-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-44-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-45-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-46-0x00000000008F0000-0x0000000000950000-memory.dmp
memory/1980-47-0x00000000008F0000-0x0000000000950000-memory.dmp
memory/1980-48-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-49-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-50-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-51-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-52-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-53-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-55-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-54-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-56-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-57-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-58-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-59-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-20-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-61-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-62-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-63-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-70-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-71-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-72-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-73-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-74-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-75-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-76-0x0000000000500000-0x0000000000503000-memory.dmp
memory/1980-77-0x0000000004B70000-0x0000000004C25000-memory.dmp
memory/1980-19-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-18-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-81-0x0000000005080000-0x000000000512D000-memory.dmp
memory/1980-17-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-16-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-13-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-12-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-11-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-10-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-9-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-8-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-7-0x0000000000940000-0x0000000000981000-memory.dmp
memory/1980-1-0x0000000000A00000-0x0000000000A01000-memory.dmp
memory/1980-3-0x00000000048F0000-0x00000000049BF000-memory.dmp
memory/1980-4-0x00000000008F0000-0x0000000000901000-memory.dmp
memory/2028-97-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2028-98-0x00000000743D0000-0x0000000074ABE000-memory.dmp
memory/2028-102-0x0000000002210000-0x0000000002263000-memory.dmp
memory/2028-96-0x0000000000400000-0x0000000000480000-memory.dmp
memory/2028-105-0x0000000002320000-0x000000000236C000-memory.dmp
memory/2028-94-0x0000000000400000-0x0000000000480000-memory.dmp