Analysis
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max time kernel
138s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
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submitted
31/08/2024, 13:18
General
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Target
8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe
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Size
455KB
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MD5
3cb174f4e9e4b44c8360597692bc259c
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SHA1
723d56d0072e09eafe242c050a9f0cc422b92ee0
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SHA256
8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7
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SHA512
00a382f11ff2ceaf7de3555597a95a1faa8a2cb78f7c8fe461db1dee9f1c93ad4a2e47bc071ae5d819006246e62405d2f1f153457bab84bf5f1cb748e5d7075c
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SSDEEP
6144:bdcZ430nBPewKZ50Qg/gypH8sh1CHreDbUL4Vp/RX6F/937MwY0uUYY0SA:bdKswKZCQgoKHvCreDbULORqZtMwYb7
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.privateemail.com - Port:
587 - Username:
[email protected] - Password:
ValSta@34zzz
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
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Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
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Looks for VMWare Tools registry key 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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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 24 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of WriteProcessMemory 11 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe"C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks computer location settings
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iCEiPbgmtrby" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1FA.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe"C:\Users\Admin\AppData\Local\Temp\8bc8b49458d5fb7d228bb2541189e2de7122f6819087c7eb00fcf215bdcaf7c7.exe"2⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
240KB
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Filesize
624KB
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Filesize
5.6MB
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Filesize
584KB
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Filesize
40KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
56KB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
384KB
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Filesize
408KB
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Filesize
480KB
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Filesize
7.7MB