Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
21-05-2024 01:44
Static task
static1
Behavioral task
behavioral1
Sample
20052024INV.exe
Resource
win7-20240215-en
General
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Target
20052024INV.exe
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Size
765KB
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MD5
6d905a81e00e45c08d8a01655510df3d
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SHA1
2b6f3729d11cb3db0f026bd81e9e003c28a89508
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SHA256
ed9bf8853a225553c0bb6dd079a0390d9c34c66d9c6f88da4ccfa7ce95740c48
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SHA512
87aac0a731925c24bc8f256a1bad6e9b9c62aa7e4ea87f9daf1a155e10ac60650d2282efa22e32e8601bdfe2cb8f069e5a38910ef041615abe4991671a9751f6
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SSDEEP
12288:PIKWET/mr9K+22BEEzFatn7jO4kqEVSqa/SN948fRKwgRAeOUNXaY8iJPb7yBFwx:jWtb3BEFAuKN+8f8CUNXksXyB1
Malware Config
Extracted
Protocol: ftp- Host:
ftp.klptruck.hu - Port:
21 - Username:
[email protected] - Password:
kCu}[Z7z+)S[
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.klptruck.hu - Port:
21 - Username:
[email protected] - Password:
kCu}[Z7z+)S[
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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
20052024INV.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation 20052024INV.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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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 20 ip-api.com -
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 64 IoCs
Processes:
20052024INV.exepowershell.exepid process 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 1492 powershell.exe 1492 powershell.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe 4280 20052024INV.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
20052024INV.exepowershell.exedescription pid process Token: SeDebugPrivilege 4280 20052024INV.exe Token: SeDebugPrivilege 1492 powershell.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
20052024INV.exedescription pid process target process PID 4280 wrote to memory of 1492 4280 20052024INV.exe powershell.exe PID 4280 wrote to memory of 1492 4280 20052024INV.exe powershell.exe PID 4280 wrote to memory of 1492 4280 20052024INV.exe powershell.exe PID 4280 wrote to memory of 2292 4280 20052024INV.exe schtasks.exe PID 4280 wrote to memory of 2292 4280 20052024INV.exe schtasks.exe PID 4280 wrote to memory of 2292 4280 20052024INV.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\20052024INV.exe"C:\Users\Admin\AppData\Local\Temp\20052024INV.exe"1⤵
- Checks computer location settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4280 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IluLgtKJ.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1492
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IluLgtKJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8D0D.tmp"2⤵
- Creates scheduled task(s)
PID:2292
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
1KB
MD5657d524d835cad1ff627bdd75e7fed71
SHA15802e11907161c58cb406a23c06981cdaba88596
SHA256faf700b0f2b4b94e00cfdd984549943df2ea7987e9bac133ebe08de55084029b
SHA51236dba47d5a0b6c7f8daac79a383589372505e04acb0525d3ea458a093c7a8b0939e91b9713e89d1c743474311a3d014c40b4affe1ef937a69d6921c99edaa93d