Analysis

  • 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

General

  • Target

    Legacy IV - V1.1.exe

  • Size

    3.0MB

  • MD5

    a615213f1160b542f885be5fe2f0e807

  • SHA1

    8ef48ff19450fa65bce8ca82188ef61a8551b7ad

  • SHA256

    5fdebcc9fecc2084617bbd9fd2f55e7844f85ae16bcc8531edb5a92442e2eb58

  • SHA512

    f1af7653724c363e9aca4bd75476c13e0976bf7b21314936c5250c436bf8f56bfb307e64e34e0c277873a63d2a91e3f440d449e285fde7f9dc9a277f694de1fd

  • SSDEEP

    49152:X3c/GqhV0aC1jfMQ+ScvKp//dNbo4mDpt5GOQUiLVCiM+bqFsz6Z2g3VHqnVD:Xs/GnaC9MzScvK5/dQXdAUbEVXgFHq

Malware Config

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • AgentTesla payload 1 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 19 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • 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

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\serials.txt

    Filesize

    44B

    MD5

    7530734a5ca7c73c4d3530a71bf15af6

    SHA1

    1411e88fc87c9049228fc1dd3019f01d0cf5903f

    SHA256

    4db17cb29b7e621f2f3f07d2d182b8303ae2e54720ea765bbba4e1d6324f2256

    SHA512

    4d6f779cacec45c161927eb30f29a319f1339b536bb4a3ac9544b618b0e58b09d46def0ade6e0f6d2eed2d32f5eeb0bee59d8957d9cd4ac63f55a6aef3fb2cc3

  • memory/1472-6-0x0000000006270000-0x00000000062D6000-memory.dmp

    Filesize

    408KB

  • memory/1472-2-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/1472-3-0x0000000005F50000-0x00000000061CC000-memory.dmp

    Filesize

    2.5MB

  • memory/1472-4-0x0000000006780000-0x0000000006D24000-memory.dmp

    Filesize

    5.6MB

  • memory/1472-5-0x00000000061D0000-0x0000000006262000-memory.dmp

    Filesize

    584KB

  • memory/1472-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/1472-7-0x0000000007330000-0x000000000733A000-memory.dmp

    Filesize

    40KB

  • memory/1472-8-0x0000000008620000-0x0000000008834000-memory.dmp

    Filesize

    2.1MB

  • memory/1472-9-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/1472-1-0x0000000000050000-0x0000000000356000-memory.dmp

    Filesize

    3.0MB

  • memory/1472-15-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/1472-16-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/1472-17-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB