Resubmissions

22-04-2024 22:02

240422-1xtwbagh68 10

22-04-2024 19:25

240422-x42b7afa68 10

19-04-2024 03:02

240419-djmthsfh8w 10

Analysis

  • max time kernel
    143s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 03:02

General

  • Target

    16e81343ecea6082d76bf1ab26818c3bf56929c92468fae8837c6384b62d05a5.exe

  • Size

    6.9MB

  • MD5

    755c6c74f65a7eb6fac438c71232090b

  • SHA1

    ecd899ca1c4764a57a8a15f7ac41624196f1a4e7

  • SHA256

    16e81343ecea6082d76bf1ab26818c3bf56929c92468fae8837c6384b62d05a5

  • SHA512

    f0dcf9c4d84708a6dd665c53d0d8b72209de79cd571836a496d9cf3dbdc757f82a69e6788b2037484720fa6e966ff5c6719be4f7faa36486561856b1f7e6379c

  • SSDEEP

    3072:MNA/391UUU35AkH+wWtailGlIQZboLRM9ua/aHyvZRVed2idrTj4i4MzNrpFFbmO:MNALUU4T7sGlVbAP//zNCbuIQ

Malware Config

Signatures

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\16e81343ecea6082d76bf1ab26818c3bf56929c92468fae8837c6384b62d05a5.exe
    "C:\Users\Admin\AppData\Local\Temp\16e81343ecea6082d76bf1ab26818c3bf56929c92468fae8837c6384b62d05a5.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • outlook_office_path
    • outlook_win_path
    PID:5020
  • 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 --mojo-platform-channel-handle=3804 --field-trial-handle=2264,i,15001568551143786084,90255922961447677,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4488

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/5020-0-0x0000000075290000-0x0000000075A40000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-1-0x0000000000890000-0x00000000008F0000-memory.dmp

      Filesize

      384KB

    • memory/5020-2-0x00000000059E0000-0x0000000005F84000-memory.dmp

      Filesize

      5.6MB

    • memory/5020-3-0x0000000005310000-0x00000000053A2000-memory.dmp

      Filesize

      584KB

    • memory/5020-4-0x0000000005430000-0x00000000054CC000-memory.dmp

      Filesize

      624KB

    • memory/5020-5-0x0000000005660000-0x0000000005670000-memory.dmp

      Filesize

      64KB

    • memory/5020-6-0x00000000053F0000-0x0000000005408000-memory.dmp

      Filesize

      96KB

    • memory/5020-7-0x0000000005F90000-0x0000000005FF6000-memory.dmp

      Filesize

      408KB

    • memory/5020-8-0x0000000075290000-0x0000000075A40000-memory.dmp

      Filesize

      7.7MB

    • memory/5020-9-0x0000000005660000-0x0000000005670000-memory.dmp

      Filesize

      64KB

    • memory/5020-10-0x00000000009E0000-0x00000000009EA000-memory.dmp

      Filesize

      40KB

    • memory/5020-11-0x0000000007310000-0x0000000007360000-memory.dmp

      Filesize

      320KB

    • memory/5020-12-0x00000000061D0000-0x00000000061DA000-memory.dmp

      Filesize

      40KB

    • memory/5020-13-0x0000000005660000-0x0000000005670000-memory.dmp

      Filesize

      64KB

    • memory/5020-15-0x0000000005660000-0x0000000005670000-memory.dmp

      Filesize

      64KB