Analysis

  • max time kernel
    129s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-09-2024 22:44

General

  • Target

    ea1badd46d183142218716bdf139ecbe_JaffaCakes118.exe

  • Size

    1.0MB

  • MD5

    ea1badd46d183142218716bdf139ecbe

  • SHA1

    2df43b51739ea6968cead8b3d2653bd1a8251c71

  • SHA256

    49ca0542dd6b090018e6038282f87d3fc77efdc6f70d9efb473bd3c6172c1807

  • SHA512

    765f15dd2e23c6000ce958d3f4fc63324d166c015677d98d3f458f91e2cef499cf6cbbaf18d93d8eb404017bc491e67b2cca21a91e89762e31c3affb7beeb09b

  • SSDEEP

    12288:iBouOZt24MOVIiaJHyIeNCWZGV/iXtmGxwz06wl740e/OKe5l9BuI8pqb5Nphz1K:0OZcOVo5eQyGVAtV2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yatchbabara.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    j$Mk$NE7

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea1badd46d183142218716bdf139ecbe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea1badd46d183142218716bdf139ecbe_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4888
    • C:\Users\Admin\AppData\Local\Temp\ea1badd46d183142218716bdf139ecbe_JaffaCakes118.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2656
  • 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 --field-trial-handle=4160,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=3808 /prefetch:8
    1⤵
      PID:3380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ea1badd46d183142218716bdf139ecbe_JaffaCakes118.exe.log

      Filesize

      1KB

      MD5

      b7b9acb869ccc7f7ecb5304ec0384dee

      SHA1

      6a90751c95817903ee833d59a0abbef425a613b3

      SHA256

      8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4

      SHA512

      7bec881ac5f59ac26f1be1e7e26d63f040c06369de10c1c246e531a4395d27c335d9acc647ecdedb48ed37bdc2dc405a4cfc11762e1c00659a49be259eaf8764

    • memory/2656-19-0x0000000006770000-0x00000000067D6000-memory.dmp

      Filesize

      408KB

    • memory/2656-18-0x0000000005DE0000-0x0000000005DF8000-memory.dmp

      Filesize

      96KB

    • memory/2656-12-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/2656-24-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2656-23-0x0000000006DC0000-0x0000000006E10000-memory.dmp

      Filesize

      320KB

    • memory/2656-21-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2656-20-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2656-17-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2656-15-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/2656-25-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4888-8-0x0000000008A60000-0x0000000008AFC000-memory.dmp

      Filesize

      624KB

    • memory/4888-1-0x0000000000CB0000-0x0000000000DB6000-memory.dmp

      Filesize

      1.0MB

    • memory/4888-10-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4888-16-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4888-9-0x000000007493E000-0x000000007493F000-memory.dmp

      Filesize

      4KB

    • memory/4888-3-0x0000000005780000-0x0000000005812000-memory.dmp

      Filesize

      584KB

    • memory/4888-2-0x0000000005C50000-0x00000000061F4000-memory.dmp

      Filesize

      5.6MB

    • memory/4888-6-0x0000000005A10000-0x0000000005A1A000-memory.dmp

      Filesize

      40KB

    • memory/4888-7-0x0000000005C40000-0x0000000005C48000-memory.dmp

      Filesize

      32KB

    • memory/4888-0-0x000000007493E000-0x000000007493F000-memory.dmp

      Filesize

      4KB

    • memory/4888-5-0x0000000074930000-0x00000000750E0000-memory.dmp

      Filesize

      7.7MB

    • memory/4888-4-0x0000000006200000-0x0000000006554000-memory.dmp

      Filesize

      3.3MB

    • memory/4888-11-0x0000000008BA0000-0x0000000008C00000-memory.dmp

      Filesize

      384KB