Analysis
- max time kernel
122s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
01/02/2024, 12:08
General
- Target Transaction_Receipt Copy.exe
- Size 675KB
- Sample240201-paw7dafaap
- SHA256 6ad2ccf70a1a86b57875bc2bcdc70a75260b4e5fdd38b5fbd21e44b1cbb942dd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.wasstech.com
-
Port
587
-
Username
-
Password
Sunray2700@@
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Looks up external IP address via web service 3 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).
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Transaction_Receipt Copy.exe"C:\Users\Admin\AppData\Local\Temp\Transaction_Receipt Copy.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\yLeTdmfUaaG.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yLeTdmfUaaG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9839.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_ldy2ly10.wif.ps1
tmp9839.tmp
memory/1660-72-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
memory/1660-27-0x0000000004FC0000-0x0000000005026000-memory.dmp
memory/1660-26-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
memory/1660-25-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/1660-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1660-70-0x0000000006470000-0x00000000064C0000-memory.dmp
memory/1660-71-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/3172-5-0x0000000005610000-0x000000000561A000-memory.dmp
memory/3172-4-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3172-9-0x0000000006B80000-0x0000000006C04000-memory.dmp
memory/3172-8-0x0000000006820000-0x0000000006834000-memory.dmp
memory/3172-7-0x0000000006810000-0x000000000681E000-memory.dmp
memory/3172-21-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/3172-6-0x0000000005AD0000-0x0000000005AEC000-memory.dmp
memory/3172-10-0x0000000009200000-0x000000000929C000-memory.dmp
memory/3172-23-0x00000000054C0000-0x00000000054D0000-memory.dmp
memory/3172-3-0x0000000005550000-0x00000000055E2000-memory.dmp
memory/3172-2-0x0000000005B00000-0x00000000060A4000-memory.dmp
memory/3172-0-0x0000000000AB0000-0x0000000000B5E000-memory.dmp
memory/3172-1-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/3172-34-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/4876-28-0x00000000052A0000-0x00000000052C2000-memory.dmp
memory/4876-58-0x0000000007AB0000-0x000000000812A000-memory.dmp
memory/4876-40-0x0000000005CC0000-0x0000000006014000-memory.dmp
memory/4876-22-0x00000000029E0000-0x00000000029F0000-memory.dmp
memory/4876-41-0x0000000006120000-0x000000000613E000-memory.dmp
memory/4876-42-0x0000000006170000-0x00000000061BC000-memory.dmp
memory/4876-19-0x00000000053C0000-0x00000000059E8000-memory.dmp
memory/4876-45-0x0000000074C20000-0x0000000074C6C000-memory.dmp
memory/4876-57-0x0000000007310000-0x00000000073B3000-memory.dmp
memory/4876-56-0x00000000066F0000-0x000000000670E000-memory.dmp
memory/4876-55-0x00000000029E0000-0x00000000029F0000-memory.dmp
memory/4876-44-0x0000000006710000-0x0000000006742000-memory.dmp
memory/4876-59-0x0000000007470000-0x000000000748A000-memory.dmp
memory/4876-39-0x0000000005BA0000-0x0000000005C06000-memory.dmp
memory/4876-60-0x00000000074E0000-0x00000000074EA000-memory.dmp
memory/4876-43-0x000000007F050000-0x000000007F060000-memory.dmp
memory/4876-61-0x00000000076F0000-0x0000000007786000-memory.dmp
memory/4876-62-0x0000000007670000-0x0000000007681000-memory.dmp
memory/4876-63-0x00000000076A0000-0x00000000076AE000-memory.dmp
memory/4876-65-0x00000000077B0000-0x00000000077CA000-memory.dmp
memory/4876-66-0x0000000007790000-0x0000000007798000-memory.dmp
memory/4876-64-0x00000000076B0000-0x00000000076C4000-memory.dmp
memory/4876-69-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/4876-16-0x00000000743C0000-0x0000000074B70000-memory.dmp
memory/4876-17-0x00000000029E0000-0x00000000029F0000-memory.dmp
memory/4876-15-0x0000000002810000-0x0000000002846000-memory.dmp