Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    12-11-2024 01:05

General

  • Target

    8c276db9d256a4ec6df10a663fa13ad291832b41fdf915aec25bc4fb31174520.exe

  • Size

    2.0MB

  • MD5

    0fd258899fb1afe14d8bd10503263901

  • SHA1

    a74e78231d749099ed97a3990fa956b8ccbcbcfd

  • SHA256

    8c276db9d256a4ec6df10a663fa13ad291832b41fdf915aec25bc4fb31174520

  • SHA512

    0d263abf7a29554b570633f17b7172531e343448c2b5969a00d81b04fd758250ba9398427c59d6e2270db6c19563e4eb6e648f946e6eb131ea43b6fb89349916

  • SSDEEP

    49152:epQUjibrS75idST2/sBqEHw9lwsbpt23LObtPg4AZY0j5s5mZTiC+xccccccEww3:Dc3wrNIRZKccccccEwwww

Malware Config

Signatures

  • NanoCore

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

  • Nanocore family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8c276db9d256a4ec6df10a663fa13ad291832b41fdf915aec25bc4fb31174520.exe
    "C:\Users\Admin\AppData\Local\Temp\8c276db9d256a4ec6df10a663fa13ad291832b41fdf915aec25bc4fb31174520.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\8c276db9d256a4ec6df10a663fa13ad291832b41fdf915aec25bc4fb31174520.exe
      "C:\Users\Admin\AppData\Local\Temp\8c276db9d256a4ec6df10a663fa13ad291832b41fdf915aec25bc4fb31174520.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Users\Admin\banbatrawlingsundersgelsesa\inulintentersbournssteepnesses.com
        "C:\Users\Admin\banbatrawlingsundersgelsesa\inulintentersbournssteepnesses.com"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Users\Admin\banbatrawlingsundersgelsesa\inulintentersbournssteepnesses.com
          "C:\Users\Admin\banbatrawlingsundersgelsesa\inulintentersbournssteepnesses.com"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of UnmapMainImage
          • Suspicious use of WriteProcessMemory
          PID:1844
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "UDP Service" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB0F7.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2152
          • C:\Windows\SysWOW64\schtasks.exe
            "schtasks.exe" /create /f /tn "UDP Service Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmpB185.tmp"
            5⤵
            • System Location Discovery: System Language Discovery
            • Scheduled Task/Job: Scheduled Task
            PID:2508

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpB0F7.tmp

    Filesize

    1KB

    MD5

    6673745d174e2b56990535bfe6e19329

    SHA1

    d6037df3923e9814843001feebde143e2a545588

    SHA256

    83b0432e6315318c1ee79845b037ee0c423d714f8df3efc44d82f8fcd1937c40

    SHA512

    e1b7c5163aa0c4bf14bfbe80f2957ba5cb1919590a4773098815c1051fb7d67455a8c46777ec90b9d7a4a8f9460580edbdb4b4c81118c9df98e5927beacb6edc

  • C:\Users\Admin\AppData\Local\Temp\tmpB185.tmp

    Filesize

    1KB

    MD5

    0a24db62cb5b84309c4803346caaa25d

    SHA1

    67660778f61bb44168c33ed3fe56ed86cf9583e8

    SHA256

    38d38647af394a04ee6add9f05c43244f04e64a6b96257f4b241a5038efa82df

    SHA512

    d25d9df063f44595d5e0bf890755bd387655131ff369eeedf3d11ffcc6202ca4455bbb33a8a926dd06839cbd1ddec3d06809b3c66a82c6518aa14beaa469a548

  • C:\Windows\win.ini

    Filesize

    900B

    MD5

    487dec5afe511f0efc16e6ec6b0b7f2b

    SHA1

    855c52edcd1166149e8fa146bb184e88a23feeee

    SHA256

    18009dddef6d177fc7bd9bbd51ec586cf6f50fa1538bf55d195824515a60cc6d

    SHA512

    caea952c4fffd9b12613cfd5145ef902fac88bda8805a9093f2e0f2de141b0875050377857f9a34d2595c83db9df8f99020e58dcc3b9db1999978c1845bfc32f

  • \Users\Admin\banbatrawlingsundersgelsesa\inulintentersbournssteepnesses.com

    Filesize

    2.0MB

    MD5

    0fd258899fb1afe14d8bd10503263901

    SHA1

    a74e78231d749099ed97a3990fa956b8ccbcbcfd

    SHA256

    8c276db9d256a4ec6df10a663fa13ad291832b41fdf915aec25bc4fb31174520

    SHA512

    0d263abf7a29554b570633f17b7172531e343448c2b5969a00d81b04fd758250ba9398427c59d6e2270db6c19563e4eb6e648f946e6eb131ea43b6fb89349916

  • memory/1696-11-0x0000000077600000-0x00000000777A9000-memory.dmp

    Filesize

    1.7MB

  • memory/1844-35-0x0000000000400000-0x0000000000602000-memory.dmp

    Filesize

    2.0MB

  • memory/2096-4-0x0000000077601000-0x0000000077702000-memory.dmp

    Filesize

    1.0MB

  • memory/2096-5-0x0000000077600000-0x00000000777A9000-memory.dmp

    Filesize

    1.7MB

  • memory/2096-12-0x00000000777F0000-0x00000000778C6000-memory.dmp

    Filesize

    856KB