Analysis
- max time kernel
119s - max time network
127s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
15/02/2024, 11:02
General
- Target Arrival Notice - S2304118292.exe
- Size 905KB
- Sample240215-m45phafd27
- SHA256 23b9305a71e2b3f191ebf0d37a9cfeafc894dbe417165ea4bc3a0c100fa6c217
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.wasstech.com
-
Port
587
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Username
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Password
Sunray2700@@
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 4 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Arrival Notice - S2304118292.exe"C:\Users\Admin\AppData\Local\Temp\Arrival Notice - S2304118292.exe"1⤵
- 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\Local\Temp\Arrival Notice - S2304118292.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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\xtVtapzPb.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xtVtapzPb" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7530.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
tmp7530.tmp
I3IZRUITZGEIQNUK40Z3.temp
memory/2548-0-0x0000000074040000-0x000000007472E000-memory.dmp
memory/2548-1-0x0000000000B80000-0x0000000000C68000-memory.dmp
memory/2548-2-0x00000000048E0000-0x0000000004920000-memory.dmp
memory/2548-3-0x00000000004C0000-0x00000000004D4000-memory.dmp
memory/2548-4-0x0000000000500000-0x000000000050A000-memory.dmp
memory/2548-5-0x00000000005A0000-0x00000000005AE000-memory.dmp
memory/2548-6-0x0000000005D10000-0x0000000005D94000-memory.dmp
memory/2548-42-0x0000000074040000-0x000000007472E000-memory.dmp
memory/2604-41-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-39-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-48-0x0000000004A20000-0x0000000004A60000-memory.dmp
memory/2604-25-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-47-0x0000000074040000-0x000000007472E000-memory.dmp
memory/2604-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-44-0x0000000004A20000-0x0000000004A60000-memory.dmp
memory/2604-32-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2604-36-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2604-43-0x0000000074040000-0x000000007472E000-memory.dmp
memory/2604-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2800-29-0x000000006ECE0000-0x000000006F28B000-memory.dmp
memory/2800-21-0x000000006ECE0000-0x000000006F28B000-memory.dmp
memory/2800-35-0x0000000002730000-0x0000000002770000-memory.dmp
memory/2800-33-0x0000000002730000-0x0000000002770000-memory.dmp
memory/2800-45-0x000000006ECE0000-0x000000006F28B000-memory.dmp
memory/2824-31-0x0000000002520000-0x0000000002560000-memory.dmp
memory/2824-37-0x000000006ECE0000-0x000000006F28B000-memory.dmp
memory/2824-46-0x000000006ECE0000-0x000000006F28B000-memory.dmp
memory/2824-26-0x0000000002520000-0x0000000002560000-memory.dmp
memory/2824-24-0x000000006ECE0000-0x000000006F28B000-memory.dmp