Analysis
- max time kernel
142s - max time network
134s - platform
windows10-2004_x64 - resource
win10v2004-20220414-en - submitted
25/04/2022, 15:46
General
- Target DHL Receipt_AWB811470484778.exe
- Size 702KB
- Sample220425-s7lnpacef6
- SHA256 bda33bc9b97786bbb80b49d0d17ad8454b0a66f23b380aa5ecae68f86ba6cf8a
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
-
Host
server6.magsnet.net
-
Port
587
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Username
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Password
War708090@
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 1 IoCs
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB811470484778.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB811470484778.exe"1⤵
- Checks computer location settings
- 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\fCGxgZYF.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\fCGxgZYF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp13E6.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB811470484778.exe"C:\Users\Admin\AppData\Local\Temp\DHL Receipt_AWB811470484778.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
DHL Receipt_AWB811470484778.exe.log
tmp13E6.tmp
memory/2456-153-0x0000000007F80000-0x00000000085FA000-memory.dmp
memory/2456-143-0x0000000005750000-0x0000000005D78000-memory.dmp
memory/2456-155-0x00000000079B0000-0x00000000079BA000-memory.dmp
memory/2456-159-0x0000000007C50000-0x0000000007C58000-memory.dmp
memory/2456-147-0x0000000005E80000-0x0000000005EE6000-memory.dmp
memory/2456-140-0x0000000005050000-0x0000000005086000-memory.dmp
memory/2456-146-0x0000000005660000-0x0000000005682000-memory.dmp
memory/2456-152-0x0000000005115000-0x0000000005117000-memory.dmp
memory/2456-154-0x0000000007930000-0x000000000794A000-memory.dmp
memory/2456-151-0x0000000006BD0000-0x0000000006BEE000-memory.dmp
memory/2456-148-0x0000000006630000-0x000000000664E000-memory.dmp
memory/2456-157-0x0000000007B60000-0x0000000007B6E000-memory.dmp
memory/2456-158-0x0000000007C70000-0x0000000007C8A000-memory.dmp
memory/2456-156-0x0000000007BB0000-0x0000000007C46000-memory.dmp
memory/2456-149-0x0000000006BF0000-0x0000000006C22000-memory.dmp
memory/2456-150-0x0000000070BA0000-0x0000000070BEC000-memory.dmp
memory/3436-144-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3436-160-0x00000000065C0000-0x0000000006610000-memory.dmp
memory/3584-134-0x00000000053C0000-0x0000000005452000-memory.dmp
memory/3584-132-0x0000000000A90000-0x0000000000B46000-memory.dmp
memory/3584-133-0x00000000058B0000-0x0000000005E54000-memory.dmp
memory/3584-135-0x0000000005470000-0x000000000547A000-memory.dmp
memory/3584-137-0x0000000009110000-0x0000000009176000-memory.dmp
memory/3584-136-0x0000000009D40000-0x0000000009DDC000-memory.dmp