Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
19-06-2024 13:06
Static task
static1
Behavioral task
behavioral1
Sample
Payment Receipt-BOA.scr.exe
Resource
win7-20240508-en
General
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Target
Payment Receipt-BOA.scr.exe
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Size
825KB
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MD5
d4dbbdfc8414d2f370f31e3b89aaa464
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SHA1
3ef59b12ddb45ec3c648f48535bd0d8688355432
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SHA256
7ef843eff8a539d4296d4ef84613b9d1efae655d3d5bbe7d23972ac414e0a25b
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SHA512
3a514a0bc9f360167ccefe921542d2625fc7bac1ce3e999b9d84131de9bb39b00b37594dc707d7f57bfba97fd6bb16be86acbe870961677017d548e69890c408
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SSDEEP
12288:NvlWc81Hsca5ZECpas1Ld9MRJsAOQpIwWwFdWWef3gOoN9PvXptZdkR:ZlS3vs1cN3W20WefgOqXX9A
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.topcats.com - Port:
587 - Username:
[email protected] - Password:
SpurS21? - Email To:
[email protected]
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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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.
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
Processes:
Payment Receipt-BOA.scr.exedescription pid Process procid_target PID 1684 set thread context of 2264 1684 Payment Receipt-BOA.scr.exe 32 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Suspicious behavior: EnumeratesProcesses 5 IoCs
Processes:
Payment Receipt-BOA.scr.exeRegSvcs.exepowershell.exepid Process 1684 Payment Receipt-BOA.scr.exe 1684 Payment Receipt-BOA.scr.exe 2264 RegSvcs.exe 2264 RegSvcs.exe 2360 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Payment Receipt-BOA.scr.exeRegSvcs.exepowershell.exedescription pid Process Token: SeDebugPrivilege 1684 Payment Receipt-BOA.scr.exe Token: SeDebugPrivilege 2264 RegSvcs.exe Token: SeDebugPrivilege 2360 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
RegSvcs.exepid Process 2264 RegSvcs.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
Payment Receipt-BOA.scr.exedescription pid Process procid_target PID 1684 wrote to memory of 2360 1684 Payment Receipt-BOA.scr.exe 28 PID 1684 wrote to memory of 2360 1684 Payment Receipt-BOA.scr.exe 28 PID 1684 wrote to memory of 2360 1684 Payment Receipt-BOA.scr.exe 28 PID 1684 wrote to memory of 2360 1684 Payment Receipt-BOA.scr.exe 28 PID 1684 wrote to memory of 2652 1684 Payment Receipt-BOA.scr.exe 30 PID 1684 wrote to memory of 2652 1684 Payment Receipt-BOA.scr.exe 30 PID 1684 wrote to memory of 2652 1684 Payment Receipt-BOA.scr.exe 30 PID 1684 wrote to memory of 2652 1684 Payment Receipt-BOA.scr.exe 30 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32 PID 1684 wrote to memory of 2264 1684 Payment Receipt-BOA.scr.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\Payment Receipt-BOA.scr.exe"C:\Users\Admin\AppData\Local\Temp\Payment Receipt-BOA.scr.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1684 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\SVBDTv.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2360
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\SVBDTv" /XML "C:\Users\Admin\AppData\Local\Temp\tmp59D3.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2652
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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
- Suspicious use of SetWindowsHookEx
PID:2264
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD59a3119ab16f39720953b519b252e4d9a
SHA10c0c747174991e9982fc55fa83f6ed223baf88f1
SHA256a4de91a8e99987f9665cb1f5600d53bf8e3de614409e6fcd06cee734d949e3ff
SHA512d20d1b32756c9b01be54048a47cc949d3fd313b8e4ea36e7bf53ef656cab0775bd423e50f7038845f52f0adacd5436b95ad765a4420cd9951aa1361bd45bf50e