Analysis
- max time kernel
149s - max time network
156s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
01/06/2024, 01:43
General
- Target 7026226d8946d12c43eb593abb319876df309180f429ca8ee62800a70e60caaf.exe
- Size 682KB
- Sample240601-b5na3add7s
- SHA256 7026226d8946d12c43eb593abb319876df309180f429ca8ee62800a70e60caaf
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
phoenixblowers.com
-
Port
587
-
Username
-
Password
Officeback@2022#
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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 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).
- 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7026226d8946d12c43eb593abb319876df309180f429ca8ee62800a70e60caaf.exe"C:\Users\Admin\AppData\Local\Temp\7026226d8946d12c43eb593abb319876df309180f429ca8ee62800a70e60caaf.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sHrfdKX.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sHrfdKX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7639.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
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_l1zgwzj0.0ep.ps1
tmp7639.tmp
memory/1576-14-0x0000000002ED0000-0x0000000002F06000-memory.dmp
memory/1576-22-0x0000000005FB0000-0x0000000006016000-memory.dmp
memory/1576-64-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1576-61-0x0000000007EB0000-0x0000000007EB8000-memory.dmp
memory/1576-60-0x0000000007ED0000-0x0000000007EEA000-memory.dmp
memory/1576-59-0x0000000007DD0000-0x0000000007DE4000-memory.dmp
memory/1576-57-0x0000000007DC0000-0x0000000007DCE000-memory.dmp
memory/1576-56-0x0000000007D90000-0x0000000007DA1000-memory.dmp
memory/1576-55-0x0000000007E10000-0x0000000007EA6000-memory.dmp
memory/1576-15-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1576-16-0x00000000058A0000-0x0000000005EC8000-memory.dmp
memory/1576-18-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1576-54-0x0000000007C00000-0x0000000007C0A000-memory.dmp
memory/1576-20-0x0000000005810000-0x0000000005832000-memory.dmp
memory/1576-25-0x00000000061E0000-0x0000000006534000-memory.dmp
memory/1576-21-0x0000000005F40000-0x0000000005FA6000-memory.dmp
memory/1576-24-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/1576-53-0x0000000007B90000-0x0000000007BAA000-memory.dmp
memory/1576-52-0x00000000081D0000-0x000000000884A000-memory.dmp
memory/1576-51-0x0000000007860000-0x0000000007903000-memory.dmp
memory/1576-40-0x00000000713C0000-0x000000007140C000-memory.dmp
memory/1576-50-0x0000000006E20000-0x0000000006E3E000-memory.dmp
memory/1576-37-0x0000000006850000-0x000000000686E000-memory.dmp
memory/1576-38-0x0000000006AA0000-0x0000000006AEC000-memory.dmp
memory/1576-39-0x0000000007820000-0x0000000007852000-memory.dmp
memory/2508-8-0x0000000005FF0000-0x0000000006000000-memory.dmp
memory/2508-7-0x0000000008410000-0x0000000008428000-memory.dmp
memory/2508-1-0x0000000000F10000-0x0000000000FC0000-memory.dmp
memory/2508-3-0x0000000005A50000-0x0000000005AE2000-memory.dmp
memory/2508-26-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/2508-4-0x00000000059C0000-0x00000000059CA000-memory.dmp
memory/2508-5-0x0000000005C80000-0x0000000005D1C000-memory.dmp
memory/2508-0-0x000000007501E000-0x000000007501F000-memory.dmp
memory/2508-2-0x0000000006000000-0x00000000065A4000-memory.dmp
memory/2508-6-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/2508-9-0x00000000084C0000-0x0000000008542000-memory.dmp
memory/4924-58-0x0000000006B90000-0x0000000006BE0000-memory.dmp
memory/4924-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4924-36-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/4924-65-0x0000000075010000-0x00000000757C0000-memory.dmp