Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-09-2024 12:34

General

  • Target

    Ref_5010_103.exe

  • Size

    420KB

  • MD5

    3e55d9e05940e5c6073b8dc09256b6b9

  • SHA1

    335d4658fa98dc92dc2f7831b0855c6b3504fbf1

  • SHA256

    adf712d2eebe5e066d7cd535c0d88ff08ee2f735e21fbd68bcf71ce20276309b

  • SHA512

    6fdb095c0877e0c942a78938e5424a2154aa49c5ef1c7b5bbd7eba11bfcb4ef829b99344487ce6547ed66da73264b304de6328403d343dd0ef851b27b1b9d31d

  • SSDEEP

    1536:k8mCCCCCpCCCCCTdvCCCCCCCCCCC3CCCCCCCCfFIeCCCCCCCCCCCCCCCCSCCCCh8:pCdsP6GBxhDCoxzU/s

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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
  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3492
      • C:\Users\Admin\AppData\Local\Temp\Ref_5010_103.exe
        "C:\Users\Admin\AppData\Local\Temp\Ref_5010_103.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1752
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1752-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/1752-1-0x0000000000560000-0x00000000005CC000-memory.dmp

      Filesize

      432KB

    • memory/1752-2-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-3-0x0000000005AA0000-0x0000000005B90000-memory.dmp

      Filesize

      960KB

    • memory/1752-21-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-27-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-55-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-67-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-65-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-63-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-61-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-59-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-57-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-53-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-51-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-49-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-47-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-45-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-43-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-41-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-37-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-35-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-33-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-31-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-29-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-25-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-23-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-19-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-17-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-15-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-13-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-11-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-9-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-39-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-5-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-4-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-7-0x0000000005AA0000-0x0000000005B8A000-memory.dmp

      Filesize

      936KB

    • memory/1752-1078-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-1079-0x0000000005D50000-0x0000000005DBA000-memory.dmp

      Filesize

      424KB

    • memory/1752-1080-0x0000000005DC0000-0x0000000005E0C000-memory.dmp

      Filesize

      304KB

    • memory/1752-1084-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-1086-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-1085-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-1087-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/1752-1088-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1752-1089-0x0000000006610000-0x0000000006BB4000-memory.dmp

      Filesize

      5.6MB

    • memory/1752-1090-0x0000000006060000-0x00000000060B4000-memory.dmp

      Filesize

      336KB

    • memory/1752-1093-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3056-1094-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3056-1095-0x0000000000390000-0x00000000003D0000-memory.dmp

      Filesize

      256KB

    • memory/3056-1096-0x0000000004CB0000-0x0000000004D16000-memory.dmp

      Filesize

      408KB

    • memory/3056-1097-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3056-1098-0x0000000005FC0000-0x0000000006010000-memory.dmp

      Filesize

      320KB

    • memory/3056-1099-0x00000000060B0000-0x0000000006142000-memory.dmp

      Filesize

      584KB

    • memory/3056-1100-0x0000000006030000-0x000000000603A000-memory.dmp

      Filesize

      40KB

    • memory/3056-1101-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB