Analysis
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max time kernel
58s -
max time network
135s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
03-04-2023 08:35
Static task
static1
Behavioral task
behavioral1
Sample
SOA 22011~2302.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
SOA 22011~2302.exe
Resource
win10v2004-20230221-en
General
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Target
SOA 22011~2302.exe
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Size
628KB
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MD5
d3fea9f328fda4aacb4b5076701ce969
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SHA1
fe23b935f871609c836b1b5cc4c598da2785f970
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SHA256
45981fd05046a30bdeb47e1976b3eb1c82d445647213095ca17168e1eb35be7b
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SHA512
5dd2d7c724c81af1e1be8ed9b29b7df5e77b6c1de9beea07849a8bc0beb9870dfcb22032ee6267ce490d827f5b0120cf38e0621e8a34ace7cdf844ed97a68943
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SSDEEP
12288:4D/OVtLVzLwrm1SR9nSzvGvr8+MF561/To+E4eK9QCZ:iwSYvGvr8+M/61/k4l9
Malware Config
Extracted
agenttesla
https://api.telegram.org/bot5663632223:AAG5KHZDs7KWoaqTYx3lSyFlOdfD9vGegQo/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
RegSvcs.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\eubJfun = "C:\\Users\\Admin\\AppData\\Roaming\\eubJfun\\eubJfun.exe" RegSvcs.exe -
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:
SOA 22011~2302.exedescription pid process target process PID 2040 set thread context of 1316 2040 SOA 22011~2302.exe RegSvcs.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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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:
SOA 22011~2302.exepowershell.exepid process 2040 SOA 22011~2302.exe 2040 SOA 22011~2302.exe 1168 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
SOA 22011~2302.exeRegSvcs.exepowershell.exedescription pid process Token: SeDebugPrivilege 2040 SOA 22011~2302.exe Token: SeDebugPrivilege 1316 RegSvcs.exe Token: SeDebugPrivilege 1168 powershell.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
SOA 22011~2302.exedescription pid process target process PID 2040 wrote to memory of 1168 2040 SOA 22011~2302.exe powershell.exe PID 2040 wrote to memory of 1168 2040 SOA 22011~2302.exe powershell.exe PID 2040 wrote to memory of 1168 2040 SOA 22011~2302.exe powershell.exe PID 2040 wrote to memory of 1168 2040 SOA 22011~2302.exe powershell.exe PID 2040 wrote to memory of 872 2040 SOA 22011~2302.exe schtasks.exe PID 2040 wrote to memory of 872 2040 SOA 22011~2302.exe schtasks.exe PID 2040 wrote to memory of 872 2040 SOA 22011~2302.exe schtasks.exe PID 2040 wrote to memory of 872 2040 SOA 22011~2302.exe schtasks.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe PID 2040 wrote to memory of 1316 2040 SOA 22011~2302.exe RegSvcs.exe -
outlook_office_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe -
outlook_win_path 1 IoCs
Processes:
RegSvcs.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegSvcs.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\SOA 22011~2302.exe"C:\Users\Admin\AppData\Local\Temp\SOA 22011~2302.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2040 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\BJPQnFaVXUr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1168 -
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BJPQnFaVXUr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC3CD.tmp"2⤵
- Creates scheduled task(s)
PID:872 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1316
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\tmpC3CD.tmpFilesize
1KB
MD51fc30c977d5d4085004e740c5d7e8a1a
SHA1b1dcd98420452c50e15868a7b56213e37271acdc
SHA2564e40bd7be2a0b7584f5a51882512bbe0e635c8ac7b52fb997f809c8b25e61f93
SHA512d01747d0d91dcb22338f91c2f4d37d385ddddaa741b0dd8549fdae9d75adfcb2c573468e19576dffec651d767e691b4171018ef00f397acc62db78d00c477bee
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memory/1168-82-0x00000000026B0000-0x00000000026F0000-memory.dmpFilesize
256KB
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memory/1168-81-0x00000000026B0000-0x00000000026F0000-memory.dmpFilesize
256KB
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memory/1168-70-0x00000000026B0000-0x00000000026F0000-memory.dmpFilesize
256KB
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memory/1316-74-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1316-78-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1316-83-0x0000000004DA0000-0x0000000004DE0000-memory.dmpFilesize
256KB
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memory/1316-80-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1316-76-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1316-72-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1316-75-0x000000007EFDE000-0x000000007EFDF000-memory.dmpFilesize
4KB
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memory/1316-71-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/1316-73-0x0000000000400000-0x0000000000430000-memory.dmpFilesize
192KB
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memory/2040-57-0x0000000000C90000-0x0000000000CD0000-memory.dmpFilesize
256KB
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memory/2040-69-0x0000000004F40000-0x0000000004F72000-memory.dmpFilesize
200KB
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memory/2040-54-0x0000000001340000-0x00000000013E2000-memory.dmpFilesize
648KB
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memory/2040-68-0x0000000004800000-0x0000000004806000-memory.dmpFilesize
24KB
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memory/2040-59-0x0000000005A60000-0x0000000005AD8000-memory.dmpFilesize
480KB
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memory/2040-58-0x00000000002B0000-0x00000000002BC000-memory.dmpFilesize
48KB
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memory/2040-56-0x00000000002A0000-0x00000000002B4000-memory.dmpFilesize
80KB
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memory/2040-55-0x0000000000C90000-0x0000000000CD0000-memory.dmpFilesize
256KB
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memory/2040-60-0x0000000000C90000-0x0000000000CD0000-memory.dmpFilesize
256KB