Analysis
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max time kernel
37s -
max time network
34s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
16-09-2024 10:03
Static task
static1
Behavioral task
behavioral1
Sample
Legacy IV - V1.1.exe
Resource
win7-20240704-en
General
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Target
Legacy IV - V1.1.exe
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Size
3.0MB
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MD5
a615213f1160b542f885be5fe2f0e807
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SHA1
8ef48ff19450fa65bce8ca82188ef61a8551b7ad
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SHA256
5fdebcc9fecc2084617bbd9fd2f55e7844f85ae16bcc8531edb5a92442e2eb58
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SHA512
f1af7653724c363e9aca4bd75476c13e0976bf7b21314936c5250c436bf8f56bfb307e64e34e0c277873a63d2a91e3f440d449e285fde7f9dc9a277f694de1fd
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SSDEEP
49152:X3c/GqhV0aC1jfMQ+ScvKp//dNbo4mDpt5GOQUiLVCiM+bqFsz6Z2g3VHqnVD:Xs/GnaC9MzScvK5/dQXdAUbEVXgFHq
Malware Config
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
resource yara_rule behavioral2/memory/1472-8-0x0000000008620000-0x0000000008834000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions Legacy IV - V1.1.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools Legacy IV - V1.1.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Legacy IV - V1.1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Legacy IV - V1.1.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum Legacy IV - V1.1.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 Legacy IV - V1.1.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Legacy IV - V1.1.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS Legacy IV - V1.1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer Legacy IV - V1.1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion Legacy IV - V1.1.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe 1472 Legacy IV - V1.1.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1472 Legacy IV - V1.1.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Legacy IV - V1.1.exe"C:\Users\Admin\AppData\Local\Temp\Legacy IV - V1.1.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1472
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
44B
MD57530734a5ca7c73c4d3530a71bf15af6
SHA11411e88fc87c9049228fc1dd3019f01d0cf5903f
SHA2564db17cb29b7e621f2f3f07d2d182b8303ae2e54720ea765bbba4e1d6324f2256
SHA5124d6f779cacec45c161927eb30f29a319f1339b536bb4a3ac9544b618b0e58b09d46def0ade6e0f6d2eed2d32f5eeb0bee59d8957d9cd4ac63f55a6aef3fb2cc3