Analysis
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max time kernel
117s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
27-03-2024 10:28
Static task
static1
Behavioral task
behavioral1
Sample
INOVICE NO CY-W-24-17-26.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
INOVICE NO CY-W-24-17-26.exe
Resource
win10v2004-20240226-en
General
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Target
INOVICE NO CY-W-24-17-26.exe
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Size
714KB
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MD5
d57f61c8ca3a73cad73f5cb160d2e1a8
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SHA1
62a5c18d4194f1f4bef658fd24cb68a3067537a3
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SHA256
bf97d8ee1b61a6699e0a1ff3cda31252cfbd154804673d83dd68b1fee155f953
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SHA512
bcb796de15d4519b4d2c6a701bcb1b83bb5fd09d9a04ac31c66a82326d4ecba30bc8bde0dff5a4008b120d3d0642820e60d34264c2cb253ba04e7deb0323d430
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SSDEEP
12288:gFoO3mYoQxv9wQNWk9eGwk5Lq8RVDrlYGI/d8FR2ij6QnLkB:ghbhxv9wQNV5e8fGOwQnAB
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.talesur.com - Port:
587 - Username:
[email protected] - Password:
gvQwu);oQS*Q - 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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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 api.ipify.org 5 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
INOVICE NO CY-W-24-17-26.exedescription pid process target process PID 2300 set thread context of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 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 3 IoCs
Processes:
MSBuild.exepowershell.exepid process 2840 MSBuild.exe 2840 MSBuild.exe 1948 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
MSBuild.exepowershell.exedescription pid process Token: SeDebugPrivilege 2840 MSBuild.exe Token: SeDebugPrivilege 1948 powershell.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
Processes:
MSBuild.exepid process 2840 MSBuild.exe -
Suspicious use of WriteProcessMemory 17 IoCs
Processes:
INOVICE NO CY-W-24-17-26.exedescription pid process target process PID 2300 wrote to memory of 1948 2300 INOVICE NO CY-W-24-17-26.exe powershell.exe PID 2300 wrote to memory of 1948 2300 INOVICE NO CY-W-24-17-26.exe powershell.exe PID 2300 wrote to memory of 1948 2300 INOVICE NO CY-W-24-17-26.exe powershell.exe PID 2300 wrote to memory of 1948 2300 INOVICE NO CY-W-24-17-26.exe powershell.exe PID 2300 wrote to memory of 2704 2300 INOVICE NO CY-W-24-17-26.exe schtasks.exe PID 2300 wrote to memory of 2704 2300 INOVICE NO CY-W-24-17-26.exe schtasks.exe PID 2300 wrote to memory of 2704 2300 INOVICE NO CY-W-24-17-26.exe schtasks.exe PID 2300 wrote to memory of 2704 2300 INOVICE NO CY-W-24-17-26.exe schtasks.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe PID 2300 wrote to memory of 2840 2300 INOVICE NO CY-W-24-17-26.exe MSBuild.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\INOVICE NO CY-W-24-17-26.exe"C:\Users\Admin\AppData\Local\Temp\INOVICE NO CY-W-24-17-26.exe"1⤵
- Suspicious use of SetThreadContext
- 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\hBdXlArIL.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\hBdXlArIL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp70EC.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmp70EC.tmpFilesize
1KB
MD53674b0780fab0bfd7c48e595ebf52652
SHA117eceda515f5cdc5d21032a559da78e6e7cad4eb
SHA256943d9ee98496c694cc32ef92762c2bc973cf52ef1bca29eb89ab928b9443d136
SHA51209b042e0cbd974caa6bd086576b15d6b3e52237dd86936baff22a9959490d79d4f3696b6a9546fab5fd8016751a23c4d0333247db15c2cd5bb60ba1bc1eaeda8
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memory/1948-28-0x0000000002790000-0x00000000027D0000-memory.dmpFilesize
256KB
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memory/1948-30-0x0000000073970000-0x0000000073F1B000-memory.dmpFilesize
5.7MB
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memory/1948-29-0x0000000002790000-0x00000000027D0000-memory.dmpFilesize
256KB
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memory/1948-27-0x0000000073970000-0x0000000073F1B000-memory.dmpFilesize
5.7MB
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memory/1948-26-0x0000000073970000-0x0000000073F1B000-memory.dmpFilesize
5.7MB
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memory/2300-2-0x0000000000640000-0x0000000000680000-memory.dmpFilesize
256KB
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memory/2300-3-0x0000000000480000-0x0000000000492000-memory.dmpFilesize
72KB
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memory/2300-4-0x00000000004E0000-0x00000000004EC000-memory.dmpFilesize
48KB
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memory/2300-5-0x0000000005BE0000-0x0000000005C62000-memory.dmpFilesize
520KB
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memory/2300-1-0x00000000741A0000-0x000000007488E000-memory.dmpFilesize
6.9MB
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memory/2300-21-0x00000000741A0000-0x000000007488E000-memory.dmpFilesize
6.9MB
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memory/2300-0-0x0000000001230000-0x00000000012E8000-memory.dmpFilesize
736KB
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memory/2840-16-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmpFilesize
4KB
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memory/2840-22-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2840-25-0x0000000074120000-0x000000007480E000-memory.dmpFilesize
6.9MB
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memory/2840-19-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2840-17-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2840-15-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2840-14-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2840-13-0x0000000000400000-0x0000000000440000-memory.dmpFilesize
256KB
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memory/2840-31-0x0000000074120000-0x000000007480E000-memory.dmpFilesize
6.9MB