Analysis

  • max time kernel
    92s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    06-02-2023 17:45

General

  • Target

    FedEx shipping document.exe

  • Size

    846KB

  • MD5

    7a6af1b4855bfaba6d38d4aa6d4e91d7

  • SHA1

    85e56d167ef2dc37ab32518fb76053cdbc71f761

  • SHA256

    a711464d37093f263124045746c939781092dd64f1cc61da7dadd4cc57798ffe

  • SHA512

    060c0eb59b89de8e3dcaf9411168469ec3bc021bd67b8193201e0c7ea76b4479998310ee495b5dd2d1ee717d2878de2fe6f293873747ce42ca8efb09bf436ed2

  • SSDEEP

    24576:mA3kkt1uWNhYmlscAPKgt17sZ0PWlQErxN5IC54TWMV:ZTt1hYq6P9b7u0+l3tgi

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5015424630:AAHYFU1sKtYqSORHBErFCWNjJz1TpXKj30w/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla payload 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe
    "C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe
      "C:\Users\Admin\AppData\Local\Temp\FedEx shipping document.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:584

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/584-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/584-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/584-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/584-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/584-66-0x000000000043762E-mapping.dmp
  • memory/584-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/584-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/584-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1968-55-0x0000000075DA1000-0x0000000075DA3000-memory.dmp
    Filesize

    8KB

  • memory/1968-54-0x0000000001260000-0x0000000001338000-memory.dmp
    Filesize

    864KB

  • memory/1968-59-0x0000000000D00000-0x0000000000D3E000-memory.dmp
    Filesize

    248KB

  • memory/1968-58-0x0000000005DB0000-0x0000000005E4E000-memory.dmp
    Filesize

    632KB

  • memory/1968-57-0x00000000002C0000-0x00000000002CC000-memory.dmp
    Filesize

    48KB

  • memory/1968-56-0x0000000000200000-0x0000000000214000-memory.dmp
    Filesize

    80KB