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Resubmissions

14/11/2023, 17:31

231114-v3qg7acf42 10

14/11/2023, 17:21

231114-vxdw7sdg61 10

28/10/2023, 19:29

231028-x7cs1age56 10

24/10/2023, 13:29

231024-qrn3rsdb6z 10

18/10/2023, 12:04

231018-n8ybnaeb31 10

07/09/2023, 12:10

230907-pce1wahe2x 10

Analysis

  • max time kernel
    26s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2023, 12:10

General

  • Target

    ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe

  • Size

    564KB

  • MD5

    bdfc510bad54e411a0e5ed3d479fdecd

  • SHA1

    3f4fc2f5ec18d2205dffdc1bd3c27b0416cc7bb1

  • SHA256

    ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659

  • SHA512

    544248ae466c36eed4ee5803863527212897aa71ca80e7f2cf5da494c25e26254e6266b951e3bfe3be305b74de806d229c338d9bb2790e7b974656d9c3ddb89c

  • SSDEEP

    12288:auoRx16X8AQpbnQusfrSytqtFtALqP4vAvQHv:aXRx16X8HwFtqtFtmqPs

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
  • Suspicious use of NtSetInformationThreadHideFromDebugger 3 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 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
    "C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2324
    • C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe
      "C:\Users\Admin\AppData\Local\Temp\ea55e146fed653416bd40c92ce89cd61b46035c7bc6f55a33c71a9872e2c9659.exe"
      2⤵
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of UnmapMainImage
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "TCP Monitor" /xml "C:\Users\Admin\AppData\Local\Temp\tmp5F01.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2796
      • C:\Windows\SysWOW64\schtasks.exe
        "schtasks.exe" /create /f /tn "TCP Monitor Task" /xml "C:\Users\Admin\AppData\Local\Temp\tmp6079.tmp"
        3⤵
        • Creates scheduled task(s)
        PID:2780

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp5F01.tmp

    Filesize

    1KB

    MD5

    9ddbb35913a67b23d3996e65b7e41215

    SHA1

    1065fddd93b1eaf76f862b8c838b1ceeed5f36ed

    SHA256

    9068f833bbe3d10eeeb3eaf5c48b94cc19839c3f264c98b3b7b569d39650a9bb

    SHA512

    80def92e34309a60f641c7b9632dbc9c7bdc63d9377da4cfafe1a5dc5a5b7c22824246eb75c30349ab046c143e848d2f103e14203ca29c5c4b54c56ebcf2399c

  • C:\Users\Admin\AppData\Local\Temp\tmp6079.tmp

    Filesize

    1KB

    MD5

    32e4166428ba211917e2e78b94efe76a

    SHA1

    2a6954b85c9ad5fe2cf2a2b9180633c2ed9d5a07

    SHA256

    9779a221d78366901f8b109e0018e9197a40bea80618c935585a30980d9e9148

    SHA512

    e1027d5f3ab61f906e815964536a444f57f1dda7762801025caec9ea6556f4df0654d83a324265df4f09e65d3b324daf47979b4dd9d08b84389f5690d7ff0cdd

  • memory/2108-12-0x000000001ED20000-0x000000001ED60000-memory.dmp

    Filesize

    256KB

  • memory/2108-13-0x000000001ED20000-0x000000001ED60000-memory.dmp

    Filesize

    256KB

  • memory/2108-6-0x0000000077480000-0x0000000077629000-memory.dmp

    Filesize

    1.7MB

  • memory/2108-7-0x0000000000400000-0x000000000048E000-memory.dmp

    Filesize

    568KB

  • memory/2108-8-0x00000000747C0000-0x0000000074D6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-9-0x00000000747C0000-0x0000000074D6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-10-0x000000001ED20000-0x000000001ED60000-memory.dmp

    Filesize

    256KB

  • memory/2108-11-0x000000001ED20000-0x000000001ED60000-memory.dmp

    Filesize

    256KB

  • memory/2108-26-0x000000001ED20000-0x000000001ED60000-memory.dmp

    Filesize

    256KB

  • memory/2108-25-0x000000001ED20000-0x000000001ED60000-memory.dmp

    Filesize

    256KB

  • memory/2108-24-0x000000001ED20000-0x000000001ED60000-memory.dmp

    Filesize

    256KB

  • memory/2108-23-0x00000000747C0000-0x0000000074D6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2108-21-0x00000000001B0000-0x00000000001BE000-memory.dmp

    Filesize

    56KB

  • memory/2108-22-0x00000000747C0000-0x0000000074D6B000-memory.dmp

    Filesize

    5.7MB

  • memory/2324-3-0x0000000077480000-0x0000000077629000-memory.dmp

    Filesize

    1.7MB

  • memory/2324-4-0x0000000077670000-0x0000000077746000-memory.dmp

    Filesize

    856KB

  • memory/2324-5-0x0000000000300000-0x000000000030E000-memory.dmp

    Filesize

    56KB

  • memory/2324-2-0x0000000000300000-0x000000000030E000-memory.dmp

    Filesize

    56KB