Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
01/06/2023, 12:41
General
- Target DHL AWB - COMMERCIAL INVOICE, BILL OF LADING, ETC DOC.exe
- Size 683KB
- Sample230601-pwrh1sec55
- SHA256 deecc3c9f68be8ed49e4adc8fdeb2569618f7770d60c955ac60e65251801ffd8
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.nutiribio.com
-
Port
587
-
Username
-
Password
zGNVO(l5
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\DHL AWB - COMMERCIAL INVOICE, BILL OF LADING, ETC DOC.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB - COMMERCIAL INVOICE, BILL OF LADING, ETC DOC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL AWB - COMMERCIAL INVOICE, BILL OF LADING, ETC DOC.exe"C:\Users\Admin\AppData\Local\Temp\DHL AWB - COMMERCIAL INVOICE, BILL OF LADING, ETC DOC.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 AWB - COMMERCIAL INVOICE, BILL OF LADING, ETC DOC.exe.log
memory/1412-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1412-146-0x0000000005360000-0x0000000005370000-memory.dmp
memory/1412-145-0x00000000069A0000-0x00000000069F0000-memory.dmp
memory/1412-144-0x0000000005360000-0x0000000005370000-memory.dmp
memory/1412-143-0x0000000005370000-0x00000000053D6000-memory.dmp
memory/4472-136-0x0000000004AB0000-0x0000000004AC0000-memory.dmp
memory/4472-139-0x0000000007AC0000-0x0000000007B5C000-memory.dmp
memory/4472-138-0x0000000004AB0000-0x0000000004AC0000-memory.dmp
memory/4472-137-0x0000000005000000-0x000000000500A000-memory.dmp
memory/4472-133-0x0000000000040000-0x00000000000F2000-memory.dmp
memory/4472-135-0x0000000004B10000-0x0000000004BA2000-memory.dmp
memory/4472-134-0x00000000050C0000-0x0000000005664000-memory.dmp