Analysis
- max time kernel
90s - max time network
141s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
19/12/2022, 04:31
General
- Target SecuriteInfo.com.Gen.Variant.Babar.125059.7342.21493.exe
- Size 242KB
- Sample221219-e5dneaec26
- SHA256 b3271cac975a34320b8dd67850d535e5ef96651e3371356cf3ec7cfca34a3caf
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 2 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 3 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Gen.Variant.Babar.125059.7342.21493.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Gen.Variant.Babar.125059.7342.21493.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\zbnqmo.exe"C:\Users\Admin\AppData\Local\Temp\zbnqmo.exe" C:\Users\Admin\AppData\Local\Temp\fbylzbe.zt2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\zbnqmo.exe"C:\Users\Admin\AppData\Local\Temp\zbnqmo.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
fbylzbe.zt
nfrrhr.w
zbnqmo.exe
zbnqmo.exe
zbnqmo.exe
memory/4968-139-0x00000000049B0000-0x0000000004F54000-memory.dmp
memory/4968-140-0x0000000000400000-0x000000000043F000-memory.dmp
memory/4968-141-0x0000000004F80000-0x000000000501C000-memory.dmp
memory/4968-142-0x0000000005930000-0x0000000005996000-memory.dmp
memory/4968-143-0x0000000005CA0000-0x0000000005D32000-memory.dmp
memory/4968-144-0x0000000005D70000-0x0000000005D7A000-memory.dmp
memory/4968-145-0x00000000060E0000-0x0000000006130000-memory.dmp