Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
18/11/2022, 03:38
General
- Target SecuriteInfo.com.Trojan.Garf.Gen.6.22631.244.exe
- Size 465KB
- Sample221118-d62wysce21
- SHA256 5b086d5fdd4e2bcf856eb5ee73d1b139589c12d3416abf3ce75042bbdf4ed374
Malware Config
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Executes dropped EXE 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
- Adds Run key to start application 2 TTPs 2 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
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Garf.Gen.6.22631.244.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Garf.Gen.6.22631.244.exe"1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"3⤵
- Executes dropped EXE
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C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"3⤵
- Executes dropped EXE
-
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C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"C:\Users\Admin\AppData\Local\Temp\suiwrm.exe"3⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- 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
dvyuwwsqp.e
suiwrm.exe
suiwrm.exe
suiwrm.exe
suiwrm.exe
suiwrm.exe
suiwrm.exe
uutttbmda.p
memory/928-136-0x0000000000A40000-0x0000000000A43000-memory.dmp
memory/4960-146-0x0000000005550000-0x0000000005AF4000-memory.dmp
memory/4960-147-0x0000000000400000-0x000000000044E000-memory.dmp
memory/4960-148-0x00000000050C0000-0x000000000515C000-memory.dmp
memory/4960-149-0x0000000006020000-0x0000000006086000-memory.dmp
memory/4960-150-0x0000000006820000-0x0000000006870000-memory.dmp
memory/4960-151-0x00000000069D0000-0x0000000006A62000-memory.dmp
memory/4960-152-0x00000000069B0000-0x00000000069BA000-memory.dmp