Analysis

  • max time kernel
    131s
  • 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
    25-09-2024 23:41

General

  • Target

    f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    f716b9d1dfef7d20b0afc1b4084f39b6

  • SHA1

    01536c02c2e8b232a36cf338c3f1007774830702

  • SHA256

    18a2826ae0c8ce3e76a5cb806e89d0070f70cc372cf37468721b8caf8529f401

  • SHA512

    ac69e2ff2f18462cd251bee3c9667e794f2156ab89cd57ca73603c308fe298a2b9f20d262161a2ba4d098ec0ba49b08dcc033d6373c4d6f27763c9ddf446b782

  • SSDEEP

    24576:qTiZucOaCrYz4jEmW/g+bRrSPMzIW3C453xSo4uKNPlS:CcyrKmW/PFSPNU53xUPA

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f716b9d1dfef7d20b0afc1b4084f39b6_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4496
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QauPVUBK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD6B.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1216
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1136
  • 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=4668,i,16315016104747277319,5510969007830467313,262144 --variations-seed-version --mojo-platform-channel-handle=4060 /prefetch:8
    1⤵
      PID:4820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpD6B.tmp

      Filesize

      1KB

      MD5

      640162fed915ffd2d785182d0dbbb58c

      SHA1

      d92d5887cb03cbb41f6ffa233facad84de7daace

      SHA256

      50034bef2f7defe2247c541d398193231ef3a8ef02481391c4cd12aecf2b8f7d

      SHA512

      5535da0c53034114b49852f83c3e2152e178e88fc220f8df21844106976ceef7b1d66645b5b9a29184f564211aa4ccbc36b5df5af40aca1f64d49beca1102492

    • memory/1136-24-0x0000000006970000-0x00000000069C0000-memory.dmp

      Filesize

      320KB

    • memory/1136-23-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

    • memory/1136-22-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

    • memory/1136-21-0x00000000067B0000-0x0000000006816000-memory.dmp

      Filesize

      408KB

    • memory/1136-20-0x0000000005A20000-0x0000000005A38000-memory.dmp

      Filesize

      96KB

    • memory/1136-19-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

    • memory/1136-18-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

    • memory/1136-15-0x0000000000400000-0x000000000043C000-memory.dmp

      Filesize

      240KB

    • memory/4496-5-0x0000000005830000-0x000000000583A000-memory.dmp

      Filesize

      40KB

    • memory/4496-10-0x0000000007360000-0x00000000073DE000-memory.dmp

      Filesize

      504KB

    • memory/4496-11-0x0000000009990000-0x0000000009A04000-memory.dmp

      Filesize

      464KB

    • memory/4496-9-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-8-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

      Filesize

      4KB

    • memory/4496-17-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-7-0x0000000005E20000-0x0000000005E32000-memory.dmp

      Filesize

      72KB

    • memory/4496-6-0x0000000006E60000-0x0000000006EFC000-memory.dmp

      Filesize

      624KB

    • memory/4496-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

      Filesize

      4KB

    • memory/4496-4-0x0000000074BC0000-0x0000000075370000-memory.dmp

      Filesize

      7.7MB

    • memory/4496-3-0x0000000005890000-0x0000000005922000-memory.dmp

      Filesize

      584KB

    • memory/4496-2-0x0000000005E40000-0x00000000063E4000-memory.dmp

      Filesize

      5.6MB

    • memory/4496-1-0x0000000000E70000-0x0000000000F96000-memory.dmp

      Filesize

      1.1MB