Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 01:33

General

  • Target

    Holiday#3021.exe

  • Size

    103KB

  • MD5

    d94c4aad05654b76b8b2624808355886

  • SHA1

    f3c7911d8834836c22d78da8ae22e790ccd1429d

  • SHA256

    337d1f05a3bf83d7a42309f5155edaa070c4ba7219cec3346d98631af0cfb4a5

  • SHA512

    de80c7528d00e618a5071b93ccaf86cc697df6219f9e5adb4036aff163a9e87b88a461a8a36adecda1eebefd52d97630ac6d777c8c7a127759e2ea46938e0896

  • SSDEEP

    768:79tVmtzb9+Os5hidy/vn61YPkAbBfmFdEugpWWF2zIV9XeS+ST6nkAv:BtVH7DidIkVFdvD0iIC/m8

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • Drops startup file 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3592
      • C:\Users\Admin\AppData\Local\Temp\Holiday#3021.exe
        "C:\Users\Admin\AppData\Local\Temp\Holiday#3021.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops startup file
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3744
      • 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:4684

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3744-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

      Filesize

      4KB

    • memory/3744-1-0x0000000000C80000-0x0000000000C9C000-memory.dmp

      Filesize

      112KB

    • memory/3744-2-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-3-0x0000000006900000-0x0000000006A12000-memory.dmp

      Filesize

      1.1MB

    • memory/3744-5-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-21-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-65-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-67-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-63-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-61-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-59-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-57-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-56-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-53-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-51-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-49-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-47-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-45-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-43-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-41-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-39-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-37-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-35-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-33-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-31-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-29-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-27-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-25-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-19-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-17-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-15-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-13-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-11-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-9-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-7-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-23-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-4-0x0000000006900000-0x0000000006A0C000-memory.dmp

      Filesize

      1.0MB

    • memory/3744-1326-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-1327-0x0000000006A50000-0x0000000006ABC000-memory.dmp

      Filesize

      432KB

    • memory/3744-1328-0x0000000006B00000-0x0000000006B6A000-memory.dmp

      Filesize

      424KB

    • memory/3744-1329-0x0000000006C30000-0x0000000006C7C000-memory.dmp

      Filesize

      304KB

    • memory/3744-1330-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

      Filesize

      4KB

    • memory/3744-1331-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-1332-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-1333-0x00000000075D0000-0x0000000007B74000-memory.dmp

      Filesize

      5.6MB

    • memory/3744-1334-0x0000000005E90000-0x0000000005EE4000-memory.dmp

      Filesize

      336KB

    • memory/3744-1339-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-1344-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-1343-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-1341-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/3744-1346-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/4684-1347-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/4684-1348-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/4684-1349-0x0000000005970000-0x00000000059D6000-memory.dmp

      Filesize

      408KB

    • memory/4684-1350-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB

    • memory/4684-1351-0x0000000006D50000-0x0000000006DA0000-memory.dmp

      Filesize

      320KB

    • memory/4684-1352-0x0000000006E40000-0x0000000006ED2000-memory.dmp

      Filesize

      584KB

    • memory/4684-1353-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

      Filesize

      40KB

    • memory/4684-1354-0x0000000074D60000-0x0000000075510000-memory.dmp

      Filesize

      7.7MB