Analysis

  • max time kernel
    143s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/05/2024, 14:33

General

  • Target

    5534d71175a8ddc713bd487ad3c4e4ab_JaffaCakes118.exe

  • Size

    739KB

  • MD5

    5534d71175a8ddc713bd487ad3c4e4ab

  • SHA1

    d2bf7ba7e59cef3c1b8556b44c9f1ad2845addf4

  • SHA256

    4d6a4c556af5a4e4a05ca5aadb976af1f792bb509cd17cf26aa2ca3081317e3c

  • SHA512

    4630b46d04dd8d305b7102b0207ea0210b3fb50400e9dfcd39eaaa711e9860ca041e13d04e7b9cbc67d28462aea6282ae5d55ba6f404cdfc5aa92ee034bb7730

  • SSDEEP

    12288:Vqov2zv1grOWAOx/+jbY7GTj/YKU/pQ8mvNvbnayPu1N0xH9jsu:Vi2rOnO+jsiTzfU/pQ8cNToN0xdjs

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    QUecleanwx@22#

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5534d71175a8ddc713bd487ad3c4e4ab_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5534d71175a8ddc713bd487ad3c4e4ab_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4708
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nqOncxA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp793D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1812
    • C:\Users\Admin\AppData\Local\Temp\5534d71175a8ddc713bd487ad3c4e4ab_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\5534d71175a8ddc713bd487ad3c4e4ab_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1356
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3468,i,6166776566165096562,4582328833313060853,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:8
    1⤵
      PID:3928

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\5534d71175a8ddc713bd487ad3c4e4ab_JaffaCakes118.exe.log

            Filesize

            1KB

            MD5

            17573558c4e714f606f997e5157afaac

            SHA1

            13e16e9415ceef429aaf124139671ebeca09ed23

            SHA256

            c18db6aecad2436da4a63ff26af4e3a337cca48f01c21b8db494fe5ccc60e553

            SHA512

            f4edf13f05a0d142e4dd42802098c8c44988ee8869621a62c2b565a77c9a95857f636583ff8d6d9baa366603d98b9bfbf1fc75bc6f9f8f83c80cb1215b2941cc

          • C:\Users\Admin\AppData\Local\Temp\tmp793D.tmp

            Filesize

            1KB

            MD5

            4e5a15423cea0982c2bec3af02a0264f

            SHA1

            cfaaf05138524aa97d673810b37766a9d47ab9f3

            SHA256

            0830bb0e691f928d8262b6ff2ae92e747b8c66640a209415928d34b254a4c94f

            SHA512

            3c770f00306874e55a2d4d386edf4423fdf31238595540ca170f7dc877708ba1dc3f20c14f561c763b3a4820ac276bc6ff71804a869e85924aff7fa229d076b3

          • memory/1356-27-0x00000000743C0000-0x0000000074B70000-memory.dmp

            Filesize

            7.7MB

          • memory/1356-26-0x0000000006660000-0x00000000066C6000-memory.dmp

            Filesize

            408KB

          • memory/1356-25-0x00000000065B0000-0x00000000065C8000-memory.dmp

            Filesize

            96KB

          • memory/1356-24-0x00000000743C0000-0x0000000074B70000-memory.dmp

            Filesize

            7.7MB

          • memory/1356-23-0x00000000743C0000-0x0000000074B70000-memory.dmp

            Filesize

            7.7MB

          • memory/1356-19-0x0000000000400000-0x000000000043C000-memory.dmp

            Filesize

            240KB

          • memory/4708-5-0x0000000005580000-0x000000000558A000-memory.dmp

            Filesize

            40KB

          • memory/4708-7-0x00000000743C0000-0x0000000074B70000-memory.dmp

            Filesize

            7.7MB

          • memory/4708-10-0x00000000743C0000-0x0000000074B70000-memory.dmp

            Filesize

            7.7MB

          • memory/4708-11-0x0000000006450000-0x00000000064AE000-memory.dmp

            Filesize

            376KB

          • memory/4708-12-0x00000000064D0000-0x00000000064D6000-memory.dmp

            Filesize

            24KB

          • memory/4708-13-0x00000000064E0000-0x000000000651E000-memory.dmp

            Filesize

            248KB

          • memory/4708-8-0x0000000005780000-0x0000000005798000-memory.dmp

            Filesize

            96KB

          • memory/4708-9-0x00000000743CE000-0x00000000743CF000-memory.dmp

            Filesize

            4KB

          • memory/4708-6-0x00000000057E0000-0x0000000005836000-memory.dmp

            Filesize

            344KB

          • memory/4708-22-0x00000000743C0000-0x0000000074B70000-memory.dmp

            Filesize

            7.7MB

          • memory/4708-0-0x00000000743CE000-0x00000000743CF000-memory.dmp

            Filesize

            4KB

          • memory/4708-4-0x00000000055F0000-0x0000000005682000-memory.dmp

            Filesize

            584KB

          • memory/4708-3-0x0000000005B00000-0x00000000060A4000-memory.dmp

            Filesize

            5.6MB

          • memory/4708-2-0x0000000005490000-0x000000000552C000-memory.dmp

            Filesize

            624KB

          • memory/4708-1-0x0000000000A60000-0x0000000000B1E000-memory.dmp

            Filesize

            760KB