Analysis
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max time kernel
93s -
max time network
121s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
21-05-2022 01:33
General
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Target
SWIFT_01.exe
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Size
612KB
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MD5
5ffa513ea6a5ee45e2a25292e220c652
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SHA1
4747c154f9ae81e0a3e489f0e55f44e95c09520f
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SHA256
2645cf7e9731a0340c150e0beadaf8dc22fdd0bc5edc2e642c27b438300b3a92
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SHA512
f93bfcb15bb53049618084888e6a7a8e4ed6f86d5e2147262b12b08fcc8e7584771eacf04dc6c3fdcb0646e376141136e3eba6c79faa38cfd15187e83ee1d3db
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.ltepl.com - Port:
587 - Username:
[email protected] - Password:
!hB@L017@LTE
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla Payload 1 IoCs
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 2 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\SWIFT_01.exe"C:\Users\Admin\AppData\Local\Temp\SWIFT_01.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\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QxuBrXhml" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3E03.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SWIFT_01.exe"{path}"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp3E03.tmpFilesize
1KB
MD50e5c80266e530ddcadd6a37bc9d8cd28
SHA190fba71f2abf465498fefd4838aeb74b7f447951
SHA2561408566ba375f93243d7a76cf999b8d352cb97de440bb616441639239ea23b04
SHA512844a5373f4ab770e203f52cea93a4c99b6c9d85109e599ca046a7ad4ec85830af4969094af3a3164456671c285fd920b66827b0a6cb8ca5e98335a9a65fb7ff4
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memory/2068-137-0x0000000000000000-mapping.dmp
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memory/2068-138-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2068-139-0x0000000006600000-0x0000000006666000-memory.dmpFilesize
408KB
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memory/2068-140-0x0000000006CA0000-0x0000000006CF0000-memory.dmpFilesize
320KB
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memory/4512-135-0x0000000000000000-mapping.dmp
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memory/4912-130-0x0000000000E30000-0x0000000000ECE000-memory.dmpFilesize
632KB
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memory/4912-131-0x0000000005D60000-0x0000000006304000-memory.dmpFilesize
5.6MB
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memory/4912-132-0x00000000057B0000-0x0000000005842000-memory.dmpFilesize
584KB
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memory/4912-133-0x0000000005730000-0x000000000573A000-memory.dmpFilesize
40KB
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memory/4912-134-0x0000000009570000-0x000000000960C000-memory.dmpFilesize
624KB