Analysis

  • max time kernel
    120s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/11/2024, 18:59

General

  • Target

    f1cb71b702df17f9d17c41fcf9dace2d6392ef71b79516bdcdad926b8eb3f6d7N.exe

  • Size

    168KB

  • MD5

    f2d5f2485f41d379e200181f8977fb80

  • SHA1

    e3283dd18e25e47708bc2dcf8c45664db4b90454

  • SHA256

    f1cb71b702df17f9d17c41fcf9dace2d6392ef71b79516bdcdad926b8eb3f6d7

  • SHA512

    7a496497e769538550015572ddec0c3776504683f7c401ebc65cd712da93fc5d58496297de8c3ac422efe020ac0eccc2362d64c6ae00bc25dbad5de0bff646dd

  • SSDEEP

    3072:bkAbfjsQvVqRlkM4OAD/KLznBuB2JA2BjG1fID:FjsQvMRlkM4RD/qzMfU6ID

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 8 IoCs
  • Modifies visibility of file extensions in Explorer 2 TTPs 4 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 4 IoCs
  • Disables RegEdit via registry modification 4 IoCs
  • Event Triggered Execution: Image File Execution Options Injection 1 TTPs 16 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 5 IoCs
  • Executes dropped EXE 4 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 32 IoCs
  • Drops file in Program Files directory 27 IoCs
  • Drops file in Windows directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Modifies registry class 9 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1cb71b702df17f9d17c41fcf9dace2d6392ef71b79516bdcdad926b8eb3f6d7N.exe
    "C:\Users\Admin\AppData\Local\Temp\f1cb71b702df17f9d17c41fcf9dace2d6392ef71b79516bdcdad926b8eb3f6d7N.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O20302Z\service.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O20302Z\service.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:3940
    • C:\Windows\M02485\smss.exe
      "C:\Windows\M02485\smss.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2544
    • C:\Windows\M02485\EmangEloh.exe
      "C:\Windows\M02485\EmangEloh.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:5048
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O20302Z\winlogon.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O20302Z\winlogon.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Disables RegEdit via registry modification
      • Event Triggered Execution: Image File Execution Options Injection
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\O20302Z\service.exe

    Filesize

    168KB

    MD5

    f2d5f2485f41d379e200181f8977fb80

    SHA1

    e3283dd18e25e47708bc2dcf8c45664db4b90454

    SHA256

    f1cb71b702df17f9d17c41fcf9dace2d6392ef71b79516bdcdad926b8eb3f6d7

    SHA512

    7a496497e769538550015572ddec0c3776504683f7c401ebc65cd712da93fc5d58496297de8c3ac422efe020ac0eccc2362d64c6ae00bc25dbad5de0bff646dd

  • C:\Windows\[TheMoonlight].txt

    Filesize

    109B

    MD5

    68c7836c8ff19e87ca33a7959a2bdff5

    SHA1

    cc5d0205bb71c10bbed22fe47e59b1f6817daab7

    SHA256

    883b19ec550f7ddb1e274a83d58d66c771ab10fefd136bab79483f2eb84e7fec

    SHA512

    3656005148788ed7ac8f5b5f8f6f4736c2dc4a94771291170e61666beb81e63be2a1a0f2913233b0e3f12ddfa7f1e89da9cd8323306413395ee78b2ece7fbfe8

  • C:\Windows\system\msvbvm60.dll

    Filesize

    1.4MB

    MD5

    25f62c02619174b35851b0e0455b3d94

    SHA1

    4e8ee85157f1769f6e3f61c0acbe59072209da71

    SHA256

    898288bd3b21d0e7d5f406df2e0b69a5bbfa4f241baf29a2cdf8a3cf4d4619f2

    SHA512

    f4529fd9eca4e4696f7f06874866ff98a1447a9b0d3a20ef0de54d4d694e2497fd39c452f73fab9b8a02962a7b2b88d1e85f6e35c7cbcb9555003c6828bebc3a

  • memory/1792-262-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-249-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-261-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-257-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-270-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-123-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-253-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-239-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-245-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/1792-211-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2544-209-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2544-201-0x00000000001E0000-0x00000000001E2000-memory.dmp

    Filesize

    8KB

  • memory/2544-57-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/2544-58-0x00000000001E0000-0x00000000001E2000-memory.dmp

    Filesize

    8KB

  • memory/2544-241-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/3940-232-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/3940-240-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/3940-236-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/3940-208-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/3940-246-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/3940-254-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/3940-54-0x00000000001C0000-0x00000000001C2000-memory.dmp

    Filesize

    8KB

  • memory/4932-0-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/4932-129-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/4932-1-0x00000000001C0000-0x00000000001C2000-memory.dmp

    Filesize

    8KB

  • memory/5048-210-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/5048-244-0x0000000000400000-0x0000000000422400-memory.dmp

    Filesize

    137KB

  • memory/5048-113-0x00000000001C0000-0x00000000001C2000-memory.dmp

    Filesize

    8KB