Analysis

  • max time kernel
    143s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-04-2024 04:38

General

  • Target

    AMD129 Spec Request for Quotation and Fastest Shipping Time - ref21092020 00933.exe

  • Size

    534KB

  • MD5

    0ebd6dce521fed21eb984c1fbdd71afe

  • SHA1

    53bb50396ce3cda6778a41ddb199a959d9d12766

  • SHA256

    c177ff9cb3b786e48a9dd68a932aa64d489851293162caa2ec8fd9eb14ea0c35

  • SHA512

    36a91170dbef2d79dc1b8055f4f9dfa286575f4c9ba963e7229cfee076435f07dee9cd7e9b32293aeb442ed3dca3805cde686ead3922fae0eae3e303bb9a3cd4

  • SSDEEP

    6144:purVvGt4mbGJgoZZcX9ETIvBZo/TZgcvtcZQdnRnZGVaknx+lDAA:pdtdggcsUI5ZodnvtcZCnRn07wdAA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail3.dynamail.asia
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Fehm.718907M

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 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\AMD129 Spec Request for Quotation and Fastest Shipping Time - ref21092020 00933.exe
    "C:\Users\Admin\AppData\Local\Temp\AMD129 Spec Request for Quotation and Fastest Shipping Time - ref21092020 00933.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3372
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3272
  • 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=1408 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4012

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

      Filesize

      41KB

      MD5

      5d4073b2eb6d217c19f2b22f21bf8d57

      SHA1

      f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

      SHA256

      ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

      SHA512

      9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

    • C:\Users\Admin\AppData\Local\Temp\b1f92ac9-345d-4ee6-83d6-512dab76f3b9\i.dll

      Filesize

      94KB

      MD5

      14ff402962ad21b78ae0b4c43cd1f194

      SHA1

      f8a510eb26666e875a5bdd1cadad40602763ad72

      SHA256

      fb9646cb956945bdc503e69645f6b5316d3826b780d3c36738d6b944e884d15b

      SHA512

      daa7a08bf3709119a944bce28f6ebdd24e54a22b18cd9f86a87873e958df121a3881dcdd5e162f6b4e543238c7aef20f657c9830df01d4c79290f7c9a4fcc54b

    • memory/3272-203-0x0000000000400000-0x0000000000436000-memory.dmp

      Filesize

      216KB

    • memory/3272-204-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3272-206-0x0000000005150000-0x00000000051EC000-memory.dmp

      Filesize

      624KB

    • memory/3272-215-0x00000000050A0000-0x00000000050B0000-memory.dmp

      Filesize

      64KB

    • memory/3272-214-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3272-212-0x0000000006480000-0x000000000648A000-memory.dmp

      Filesize

      40KB

    • memory/3272-213-0x00000000050A0000-0x00000000050B0000-memory.dmp

      Filesize

      64KB

    • memory/3272-211-0x0000000006580000-0x00000000065D0000-memory.dmp

      Filesize

      320KB

    • memory/3272-208-0x0000000005D80000-0x0000000005DE6000-memory.dmp

      Filesize

      408KB

    • memory/3272-207-0x0000000005110000-0x0000000005128000-memory.dmp

      Filesize

      96KB

    • memory/3372-44-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-30-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-74-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-72-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-70-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-68-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-66-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-64-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-62-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-58-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-57-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-54-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-52-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-51-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-48-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-46-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-60-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-42-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-40-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-38-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-36-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-34-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-32-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-77-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-29-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-26-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-24-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-22-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-20-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-18-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-16-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-14-0x0000000073D20000-0x0000000073DA9000-memory.dmp

      Filesize

      548KB

    • memory/3372-15-0x0000000004EC0000-0x0000000004EE6000-memory.dmp

      Filesize

      152KB

    • memory/3372-195-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3372-196-0x0000000004EF0000-0x0000000004F00000-memory.dmp

      Filesize

      64KB

    • memory/3372-198-0x0000000006E90000-0x0000000006E9C000-memory.dmp

      Filesize

      48KB

    • memory/3372-6-0x0000000005120000-0x00000000051B2000-memory.dmp

      Filesize

      584KB

    • memory/3372-5-0x0000000004FA0000-0x0000000004FE4000-memory.dmp

      Filesize

      272KB

    • memory/3372-205-0x0000000004EF0000-0x0000000004F00000-memory.dmp

      Filesize

      64KB

    • memory/3372-210-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3372-4-0x0000000005630000-0x0000000005BD4000-memory.dmp

      Filesize

      5.6MB

    • memory/3372-3-0x0000000004EC0000-0x0000000004EEC000-memory.dmp

      Filesize

      176KB

    • memory/3372-2-0x0000000004EF0000-0x0000000004F00000-memory.dmp

      Filesize

      64KB

    • memory/3372-1-0x0000000000530000-0x00000000005BC000-memory.dmp

      Filesize

      560KB

    • memory/3372-0-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB