Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-05-2024 00:28

General

  • Target

    Copy100257338PDF.exe

  • Size

    205KB

  • MD5

    696c8e95daafa551715ad53c7c8e632b

  • SHA1

    a18559becf0bab5ef3abd66fcbacdecb410bc5fc

  • SHA256

    cf5b678a31b81a5c05dd71de8e0764161ad40baf1f931a80e4871cbe79d93c9e

  • SHA512

    d701563e43ab7399bfd0b787ec4b241d295f2834e3bafa05360b6bf7a2b0ee8ccbd87d75da511dd8cb84a711018ae3dabd2bffa03c8fa516d86d296e585223ad

  • SSDEEP

    3072:3yNnCDDRvLGprOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/FPYm21KLbDoUssNXNS:estvLGcxLbMUMK2JH

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    66.29.151.236
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AvydGQ8TIDH9

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect ZGRat V1 34 IoCs
  • ZGRat

    ZGRat is remote access trojan written in C#.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3844
    • C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\Copy100257338PDF.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4148
  • 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=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3288

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Copy100257338PDF.exe.log

      Filesize

      1KB

      MD5

      f3eb81974dc5933681e933f07209ff5f

      SHA1

      7af8cae0f1d03e82daaf784df9886705685baac7

      SHA256

      e82069884dd428bd6a1c67fe00c5fa56f9c4d62b538b694694a699588f1f4ab2

      SHA512

      d9aa3871dffb76c8a73a7940fa03bbc9b65cf575cbd07f7c1fbf490cb0f3d670415eaef0bf79e34689f61ab3cdfbb104efdef004becc12e54b501f02f948aaff

    • memory/3844-0-0x000000007512E000-0x000000007512F000-memory.dmp

      Filesize

      4KB

    • memory/3844-1-0x0000000000CF0000-0x0000000000D26000-memory.dmp

      Filesize

      216KB

    • memory/3844-2-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3844-3-0x00000000078D0000-0x0000000007B00000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-4-0x00000000080B0000-0x0000000008654000-memory.dmp

      Filesize

      5.6MB

    • memory/3844-5-0x0000000007BA0000-0x0000000007C32000-memory.dmp

      Filesize

      584KB

    • memory/3844-11-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-9-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-17-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-61-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-68-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-69-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-65-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-63-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-59-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-57-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-53-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-51-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-49-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-47-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-45-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-43-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-41-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-39-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-37-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-35-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-55-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-33-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-31-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-29-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-25-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-21-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-19-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-15-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-13-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-8-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-27-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-23-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-6-0x00000000078D0000-0x0000000007AF9000-memory.dmp

      Filesize

      2.2MB

    • memory/3844-4886-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3844-4888-0x00000000064D0000-0x000000000651C000-memory.dmp

      Filesize

      304KB

    • memory/3844-4887-0x0000000006460000-0x00000000064CC000-memory.dmp

      Filesize

      432KB

    • memory/3844-4889-0x000000007512E000-0x000000007512F000-memory.dmp

      Filesize

      4KB

    • memory/3844-4890-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/3844-4891-0x0000000001180000-0x00000000011D4000-memory.dmp

      Filesize

      336KB

    • memory/3844-4898-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4148-4897-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4148-4896-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4148-4900-0x00000000050E0000-0x0000000005146000-memory.dmp

      Filesize

      408KB

    • memory/4148-4899-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB

    • memory/4148-4901-0x0000000006600000-0x0000000006650000-memory.dmp

      Filesize

      320KB

    • memory/4148-4902-0x00000000066F0000-0x000000000678C000-memory.dmp

      Filesize

      624KB

    • memory/4148-4903-0x00000000067A0000-0x00000000067AA000-memory.dmp

      Filesize

      40KB

    • memory/4148-4904-0x0000000075120000-0x00000000758D0000-memory.dmp

      Filesize

      7.7MB