Analysis
- max time kernel
121s - max time network
121s - platform
windows7_x64 - resource
win7-en-20211208 - submitted
07/02/2022, 14:17
General
- Target bank TT slip for.exe
- Size 906KB
- Sample220207-rlqj3schcl
- SHA256 4006f3b26b8e79d28bd27228cfb5810168a374a0e4e2f6e994a2bec97b07dfa6
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.jkudyog.com
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Port
587
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Username
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Password
%$#@lkjhgfdsa
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 4 IoCs
- Drops file in Drivers directory 1 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bank TT slip for.exe"C:\Users\Admin\AppData\Local\Temp\bank TT slip for.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ewJXjfHfsgjv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8BF9.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\bank TT slip for.exe"{path}"2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1600-57-0x0000000000610000-0x000000000061A000-memory.dmp
memory/1600-56-0x0000000004C90000-0x0000000004C91000-memory.dmp
memory/1600-54-0x00000000008E0000-0x00000000009C8000-memory.dmp
memory/1600-58-0x00000000051C0000-0x0000000005242000-memory.dmp
memory/1600-59-0x00000000008A0000-0x00000000008DC000-memory.dmp
memory/1600-55-0x0000000075531000-0x0000000075533000-memory.dmp
memory/1660-61-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1660-62-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1660-63-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1660-64-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1660-65-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1660-66-0x0000000000400000-0x000000000043C000-memory.dmp
memory/1660-67-0x0000000004BB0000-0x0000000004BB1000-memory.dmp