Analysis

  • max time kernel
    138s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-en
  • submitted
    15-09-2021 07:02

General

  • Target

    FeDEx AWB TRACKING DETAILS.exe

  • Size

    289KB

  • MD5

    e1334e173a12cdae68b35ea46cc6dde5

  • SHA1

    4d233832a75abedcf25fe2fd198b7f899776ce18

  • SHA256

    38192c4fd324854e9b5ea01f1db9d1a8f3d638d52cb8484c6993ffa281da5e40

  • SHA512

    003028093e8cf8ec38b89855f9204a31ff416c88474ae6215e464b3a8e920446987214357e26f3c7aac4d206958c2f8d7720df28ab585624aacf01014ad45b6f

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
  • Suspicious use of SetThreadContext 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 5 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FeDEx AWB TRACKING DETAILS.exe
    "C:\Users\Admin\AppData\Local\Temp\FeDEx AWB TRACKING DETAILS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1816
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\FeDEx AWB TRACKING DETAILS.exe"
      2⤵
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1744
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "IMAP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB85.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:1728
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "IMAP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp141E.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2040

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp141E.tmp
    MD5

    266ebd097e1267e63a5abfc1dededae8

    SHA1

    b619bdaa65cbb17c86da3744e566e6a66c7057b4

    SHA256

    b3689f65cd1048f673cda43b0f93ffddb45bc67da94a62335b7c75ba0f0b2852

    SHA512

    4db2526f588777bfaf8b7d7799d19e5e384f0ed1fff1905196277383378a98e73b7952d4bccf22cd92c53b5d7f9c9057f896a773a58b1908fe4a41aadae047bd

  • C:\Users\Admin\AppData\Local\Temp\tmpB85.tmp
    MD5

    ae766004c0d8792953bafffe8f6a2e3b

    SHA1

    14b12f27543a401e2fe0af8052e116cab0032426

    SHA256

    1abdd9b6a6b84e4ba1af1282dc84ce276c59ba253f4c4af05fea498a4fd99540

    SHA512

    e530da4a5d4336fc37838d0e93b5eb3804b9c489c71f6954a47fc81a4c655bb72ec493e109cf96e6e3617d7623ac80697ad3bbd5ffc6281bafc8b34dca5e6567

  • memory/1728-58-0x0000000000000000-mapping.dmp
  • memory/1744-54-0x000000000041E792-mapping.dmp
  • memory/1744-57-0x00000000003C0000-0x00000000003C1000-memory.dmp
    Filesize

    4KB

  • memory/1744-62-0x00000000003C1000-0x00000000003C2000-memory.dmp
    Filesize

    4KB

  • memory/1744-63-0x00000000003C6000-0x00000000003D7000-memory.dmp
    Filesize

    68KB

  • memory/1816-53-0x0000000075AA1000-0x0000000075AA3000-memory.dmp
    Filesize

    8KB

  • memory/1816-56-0x0000000000080000-0x0000000000082000-memory.dmp
    Filesize

    8KB

  • memory/2040-60-0x0000000000000000-mapping.dmp