Analysis
- max time kernel
109s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
- submitted
21/11/2022, 11:41
General
- Target SecuriteInfo.com.Trojan.Garf.Gen.6.14865.1156.exe
- Size 782KB
- Sample221121-ntfhasce2s
- SHA256 526cff619a2eb89fa6635f81fa42e5da4ec5f17446c6d205567a321b515b4309
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
- 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 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.Trojan.Garf.Gen.6.14865.1156.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Garf.Gen.6.14865.1156.exe"1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\yepazbin.exe"C:\Users\Admin\AppData\Local\Temp\yepazbin.exe" C:\Users\Admin\AppData\Local\Temp\wphecvmm.ley2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\yepazbin.exe"C:\Users\Admin\AppData\Local\Temp\yepazbin.exe" C:\Users\Admin\AppData\Local\Temp\wphecvmm.ley3⤵
- 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
summwwoylo.mrd
wphecvmm.ley
yepazbin.exe
yepazbin.exe
yepazbin.exe
memory/3140-139-0x0000000004BD0000-0x0000000005174000-memory.dmp
memory/3140-140-0x0000000000400000-0x000000000044E000-memory.dmp
memory/3140-141-0x0000000004A00000-0x0000000004A9C000-memory.dmp
memory/3140-142-0x0000000005970000-0x00000000059D6000-memory.dmp
memory/3140-143-0x0000000006350000-0x00000000063A0000-memory.dmp
memory/3140-144-0x0000000006490000-0x0000000006522000-memory.dmp
memory/3140-145-0x0000000006840000-0x000000000684A000-memory.dmp