Analysis
- max time kernel
142s - max time network
116s - platform
windows10_x64 - resource
win10v20210410 - submitted
16/08/2021, 13:26
General
- Target SHIPPING INVOICE#J09674.exe
- Size 754KB
- Sample210816-klpv13a346
- SHA256 175575bcd0d96914d2e856f266ddc75e0173867bc685e7743c8d1bf3aaa0eb43
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.bsia.co.in
-
Port
587
-
Username
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Password
21mbsia@)@!Y
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- 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 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE#J09674.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE#J09674.exe"1⤵
- Suspicious use of SetThreadContext
- 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\Local\Temp\SHIPPING INVOICE#J09674.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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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\crYdUbLWcgBFpU.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\crYdUbLWcgBFpU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCB25.tmp"2⤵
- Creates scheduled task(s)
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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\crYdUbLWcgBFpU.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE#J09674.exe"C:\Users\Admin\AppData\Local\Temp\SHIPPING INVOICE#J09674.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/772-121-0x0000000004E70000-0x000000000536E000-memory.dmp
memory/772-120-0x00000000050C0000-0x00000000050C1000-memory.dmp
memory/772-119-0x0000000004D90000-0x0000000004D91000-memory.dmp
memory/772-122-0x0000000005970000-0x0000000005981000-memory.dmp
memory/772-123-0x00000000084F0000-0x0000000008585000-memory.dmp
memory/772-124-0x000000000ACD0000-0x000000000AD07000-memory.dmp
memory/772-118-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/772-117-0x0000000005370000-0x0000000005371000-memory.dmp
memory/772-116-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
memory/772-114-0x00000000004C0000-0x00000000004C1000-memory.dmp
memory/1276-148-0x0000000007CF0000-0x0000000007CF1000-memory.dmp
memory/1276-160-0x0000000008360000-0x0000000008361000-memory.dmp
memory/1276-137-0x00000000049D0000-0x00000000049D1000-memory.dmp
memory/1276-228-0x000000007F110000-0x000000007F111000-memory.dmp
memory/1276-140-0x0000000007380000-0x0000000007381000-memory.dmp
memory/1276-142-0x0000000007C80000-0x0000000007C81000-memory.dmp
memory/1276-167-0x0000000008470000-0x0000000008471000-memory.dmp
memory/1276-233-0x00000000049D3000-0x00000000049D4000-memory.dmp
memory/1276-144-0x0000000007AA0000-0x0000000007AA1000-memory.dmp
memory/1276-223-0x00000000096E0000-0x00000000096E1000-memory.dmp
memory/1276-161-0x00000000049D2000-0x00000000049D3000-memory.dmp
memory/1276-159-0x0000000007C50000-0x0000000007C51000-memory.dmp
memory/2344-164-0x00000000044F0000-0x00000000044F1000-memory.dmp
memory/2344-166-0x00000000044F2000-0x00000000044F3000-memory.dmp
memory/2344-234-0x000000007EBF0000-0x000000007EBF1000-memory.dmp
memory/2344-288-0x00000000044F3000-0x00000000044F4000-memory.dmp
memory/2376-162-0x0000000004E40000-0x000000000533E000-memory.dmp
memory/2376-147-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3280-132-0x0000000006AB0000-0x0000000006AB1000-memory.dmp
memory/3280-217-0x0000000009200000-0x0000000009201000-memory.dmp
memory/3280-206-0x0000000009090000-0x0000000009091000-memory.dmp
memory/3280-230-0x0000000006AB3000-0x0000000006AB4000-memory.dmp
memory/3280-191-0x000000007FAF0000-0x000000007FAF1000-memory.dmp
memory/3280-189-0x00000000090D0000-0x0000000009103000-memory.dmp
memory/3280-135-0x0000000006AB2000-0x0000000006AB3000-memory.dmp
memory/3280-134-0x00000000070F0000-0x00000000070F1000-memory.dmp
memory/3280-131-0x0000000006920000-0x0000000006921000-memory.dmp