Analysis
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max time kernel
122s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
18-06-2024 13:39
Static task
static1
Behavioral task
behavioral1
Sample
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe
Resource
win7-20240221-en
General
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Target
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe
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Size
1.1MB
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MD5
1a838c9f467cdc7804418b288595338e
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SHA1
5e89201a28803287a67bf11a7045e711b83758a1
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SHA256
59b4c6293d3b0c1340df2e3e1ad4713f5d5e95e2585a58962936f69a641227a3
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SHA512
41fb2ba04b72e1931aa8adb5435b57019cfb00a5aaad3dd92d5a917fbd36c530d51de31f166ddf5ff1e7182e47609101a4dabeee96ad6d69996ee49499c46121
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SSDEEP
24576:RmgyC5o2GSO6hVceaqIUobQW3xlN3r7UBSEezCCnD/eEo2Ll:Rv3e2dhV9cUobL3LN7INCDdo2
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.coperwire.com - Port:
587 - Username:
[email protected] - Password:
dU?QG2)^646T - 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 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
Processes:
powershell.exepowershell.exepid process 2060 powershell.exe 2596 powershell.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of SetThreadContext 1 IoCs
Processes:
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exedescription pid process target process PID 2856 set thread context of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe -
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 4 IoCs
Processes:
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exepowershell.exepowershell.exepid process 2540 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe 2540 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe 2596 powershell.exe 2060 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exepowershell.exepowershell.exedescription pid process Token: SeDebugPrivilege 2540 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Token: SeDebugPrivilege 2060 powershell.exe Token: SeDebugPrivilege 2596 powershell.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
Scan-TNB-#2024393_SNB-4427394_13-06-2024.exedescription pid process target process PID 2856 wrote to memory of 2060 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2060 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2060 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2060 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2596 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2596 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2596 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2596 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe powershell.exe PID 2856 wrote to memory of 2524 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe schtasks.exe PID 2856 wrote to memory of 2524 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe schtasks.exe PID 2856 wrote to memory of 2524 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe schtasks.exe PID 2856 wrote to memory of 2524 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe schtasks.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe PID 2856 wrote to memory of 2540 2856 Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2856 -
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\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2060
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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\KZtbuXSWhNL.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2596
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KZtbuXSWhNL" /XML "C:\Users\Admin\AppData\Local\Temp\tmp55AE.tmp"2⤵
- Scheduled Task/Job: Scheduled Task
PID:2524
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C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"C:\Users\Admin\AppData\Local\Temp\Scan-TNB-#2024393_SNB-4427394_13-06-2024.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2540
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1KB
MD5afa262c313f6fb8cf0f999af209169e4
SHA15373e3b4706e63f75cddebd73c246276dd2b9801
SHA256806a8f110099bb794a2976962dc86314dca348838848bd4c43935efbf9677b99
SHA51297c9aba0c5305c9a1fd577de3e96741e6cdcf260745130a739ef48827985ac8837b4e530103022b5baab5a6deb33eb5765a2614c4828a92f8060421b158d75ed
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C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\E1JIYYTE17LEVA1ZU36D.temp
Filesize7KB
MD5be206d51a9fad3c4d313f05ee5dcb926
SHA1ff492d27acbd90f09e4927e3a7784b5f57f4f6c7
SHA2561f20de5d7fa9aa395e5d69ffa6dda185f2aa901d6365934afa61a462f734834b
SHA512a04b9c95bd3c4b25dfdb274c9f896eaf98b76dfdc9dd355695dd113d804d1afd0556cb1be54af1a4bee051cc9c77d6073aad83cbd5db6f3d9aa7a9bb36461ac9