Analysis

  • max time kernel
    146s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    06/01/2024, 05:20

General

  • Target

    9E7DE6D79CCC935FA7C1B629155CA2EF.exe

  • Size

    203KB

  • MD5

    9e7de6d79ccc935fa7c1b629155ca2ef

  • SHA1

    09e1a1d16d81e0c7213cd2664bc47e5ce69165ed

  • SHA256

    52bed4d9c0fdb81bdc4abfd46b47b8f8fa2dcdd570fcdc94f300f087c8b3aa65

  • SHA512

    58f320b34ee14c21fb69e25afab572a3c91d8f78817c365b49d35b969d5b95cf4298d34a9a437b7e2d1f3113ecdad13d63e05dbfbe50925b3c780e69664d7853

  • SSDEEP

    6144:sLV6Bta6dtJmakIM5qDr7rb2Wdkytz9spP:sLV6Btpmk7mWltY

Malware Config

Signatures

  • NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe
    "C:\Users\Admin\AppData\Local\Temp\9E7DE6D79CCC935FA7C1B629155CA2EF.exe"
    1⤵
    • Adds Run key to start application
    • Checks whether UAC is enabled
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WAN Manager" /xml "C:\Users\Admin\AppData\Local\Temp\tmpA0F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2324
    • C:\Windows\SysWOW64\schtasks.exe
      "schtasks.exe" /create /f /tn "WAN Manager Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpABB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpA0F.tmp

          Filesize

          1KB

          MD5

          51b770160f6c0ba58a36b76b46dd55a8

          SHA1

          b95f69729b634ae959f82586d87100c571d3d1e5

          SHA256

          84466b7f8bcab52aeda5aac066bcea6281c0068062250d0a3486bd346bcd9170

          SHA512

          ba9f2216b4d797ae7cd3ef6d958e23df223d8ca89981600aa3de6b228e8694f672b673ea03e23c86a2797e389a869c0f8565926788d6e607a089612d325d6553

        • C:\Users\Admin\AppData\Local\Temp\tmpABB.tmp

          Filesize

          1KB

          MD5

          f3cda3e6bab1951e8d59c3eb775a14c6

          SHA1

          434c1ec851a45c0505fd8fd28159f549e2e9adfd

          SHA256

          067d3f5167cab2ea4e76f59386df4eaf49c6008f6451e1971274a938ad7bcf44

          SHA512

          bc79446e4e0204c04abcacef6799aeafe7915c1a5c6bdb3573ba40370d6a6a1e2590eb6315151d12a9447970f993a17463442c5dc0ba97c58df17dddfd73d62c

        • memory/3028-2-0x0000000074890000-0x0000000074E3B000-memory.dmp

          Filesize

          5.7MB

        • memory/3028-1-0x0000000000BC0000-0x0000000000C00000-memory.dmp

          Filesize

          256KB

        • memory/3028-0-0x0000000074890000-0x0000000074E3B000-memory.dmp

          Filesize

          5.7MB

        • memory/3028-11-0x0000000000BC0000-0x0000000000C00000-memory.dmp

          Filesize

          256KB

        • memory/3028-10-0x0000000074890000-0x0000000074E3B000-memory.dmp

          Filesize

          5.7MB