Analysis
- max time kernel
126s - max time network
120s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
08/01/2022, 07:17
General
- Target BL-SHIPPING INVOICE DOCUMENTS.exe
- Size 844KB
- Sample220108-h4c72adcbp
- SHA256 a612b4736bef50a4d1dccb200fa3f59c17cc51e5488f4dd6f6a5361b6b4cb2b5
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.packsealsind.com
-
Port
587
-
Username
-
Password
%Y44i3op
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 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.
- 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 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCUMENTS.exe"C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCUMENTS.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xuOBORwBrys" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7FFA.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\BL-SHIPPING INVOICE DOCUMENTS.exe"{path}"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
memory/732-121-0x00000000050C0000-0x00000000050CA000-memory.dmp
memory/732-119-0x0000000005160000-0x00000000051FC000-memory.dmp
memory/732-120-0x0000000004F70000-0x000000000546E000-memory.dmp
memory/732-118-0x0000000005020000-0x00000000050B2000-memory.dmp
memory/732-122-0x0000000005320000-0x000000000532A000-memory.dmp
memory/732-123-0x0000000009CE0000-0x0000000009D98000-memory.dmp
memory/732-124-0x000000000C1F0000-0x000000000C266000-memory.dmp
memory/732-117-0x0000000005470000-0x000000000596E000-memory.dmp
memory/732-116-0x0000000000720000-0x00000000007F8000-memory.dmp
memory/732-115-0x0000000000720000-0x00000000007F8000-memory.dmp
memory/3620-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3620-130-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3620-131-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3620-132-0x00000000057D0000-0x0000000005CCE000-memory.dmp
memory/3620-133-0x00000000054A0000-0x000000000553C000-memory.dmp
memory/3620-134-0x00000000052D0000-0x00000000057CE000-memory.dmp
memory/3620-135-0x0000000005740000-0x0000000005758000-memory.dmp
memory/3620-136-0x0000000005FC0000-0x0000000006026000-memory.dmp
memory/3620-137-0x00000000065C0000-0x0000000006652000-memory.dmp
memory/3620-138-0x0000000001250000-0x000000000125A000-memory.dmp
memory/3620-139-0x00000000052D0000-0x00000000057CE000-memory.dmp