Analysis
- max time kernel
119s - max time network
121s - platform
windows10_x64 - resource
win10-en-20211208 - submitted
06/01/2022, 01:17
General
- Target REQ. ORDER 0032566.exe
- Size 627KB
- Sample220106-bndejaahb8
- SHA256 95b9a3dab50db7b096629c3f9265b131627909ddeffdcab6da1093a4f4e83fd3
Malware Config
Extracted
-
agenttesla
-
https://api.telegram.org/bot5082673869:AAHPx348yCyfnI9U-mY2fUJHGS4Mz9ftnQA/sendDocument
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 5 IoCs
- Loads dropped DLL 1 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.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 10 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.exe"C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.exe"1⤵
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.exe"C:\Users\Admin\AppData\Local\Temp\REQ. ORDER 0032566.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
memory/3044-116-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3044-118-0x00000000047F0000-0x000000000482C000-memory.dmp
memory/3044-119-0x00000000047F0000-0x000000000482C000-memory.dmp
memory/3044-120-0x0000000000400000-0x000000000044B000-memory.dmp
memory/3044-121-0x00000000049A0000-0x00000000049A1000-memory.dmp
memory/3044-122-0x00000000049A2000-0x00000000049A3000-memory.dmp
memory/3044-123-0x00000000049A3000-0x00000000049A4000-memory.dmp
memory/3044-124-0x00000000049B0000-0x0000000004EAE000-memory.dmp
memory/3044-125-0x0000000004EB0000-0x0000000004F4C000-memory.dmp
memory/3044-126-0x00000000049A4000-0x00000000049A5000-memory.dmp
memory/3044-127-0x00000000057B0000-0x00000000057C8000-memory.dmp
memory/3044-128-0x00000000057E0000-0x0000000005846000-memory.dmp
memory/3044-129-0x0000000005B20000-0x0000000005BB2000-memory.dmp
memory/3044-130-0x00000000020D0000-0x00000000020DA000-memory.dmp