Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    16s
  • max time network
    34s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    03/12/2022, 00:15

General

  • Target

    5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90.dll

  • Size

    140KB

  • MD5

    035dda146051417ca897caa0282435d0

  • SHA1

    d4e365c7fa51ead1a3218eada4cfc295501cd165

  • SHA256

    5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90

  • SHA512

    783acad010ebff23acf69c8e5df3593d4bd80cc2544fa2692bffa9f38a7f212cf7657b6387fb910b9ec36e923dae407f163e8ff5a5345c8f74e2acfdc68e009a

  • SSDEEP

    3072:qZMMrEQoS2ymTSUmdngNBTMPo7GACZTJIO2eRq8QpKlzIPOs2zLoRCyI:MMK6mdg7MPCGxJ43KSPSLoRm

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 2 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:864
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90.dll,#1
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\system32\knohhg.dll",i
        3⤵
        • Loads dropped DLL
        • Installs/modifies Browser Helper Object
        • Modifies registry class
        PID:1608

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\knohhg.dll

    Filesize

    140KB

    MD5

    035dda146051417ca897caa0282435d0

    SHA1

    d4e365c7fa51ead1a3218eada4cfc295501cd165

    SHA256

    5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90

    SHA512

    783acad010ebff23acf69c8e5df3593d4bd80cc2544fa2692bffa9f38a7f212cf7657b6387fb910b9ec36e923dae407f163e8ff5a5345c8f74e2acfdc68e009a

  • \Windows\SysWOW64\knohhg.dll

    Filesize

    140KB

    MD5

    035dda146051417ca897caa0282435d0

    SHA1

    d4e365c7fa51ead1a3218eada4cfc295501cd165

    SHA256

    5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90

    SHA512

    783acad010ebff23acf69c8e5df3593d4bd80cc2544fa2692bffa9f38a7f212cf7657b6387fb910b9ec36e923dae407f163e8ff5a5345c8f74e2acfdc68e009a

  • \Windows\SysWOW64\knohhg.dll

    Filesize

    140KB

    MD5

    035dda146051417ca897caa0282435d0

    SHA1

    d4e365c7fa51ead1a3218eada4cfc295501cd165

    SHA256

    5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90

    SHA512

    783acad010ebff23acf69c8e5df3593d4bd80cc2544fa2692bffa9f38a7f212cf7657b6387fb910b9ec36e923dae407f163e8ff5a5345c8f74e2acfdc68e009a

  • \Windows\SysWOW64\knohhg.dll

    Filesize

    140KB

    MD5

    035dda146051417ca897caa0282435d0

    SHA1

    d4e365c7fa51ead1a3218eada4cfc295501cd165

    SHA256

    5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90

    SHA512

    783acad010ebff23acf69c8e5df3593d4bd80cc2544fa2692bffa9f38a7f212cf7657b6387fb910b9ec36e923dae407f163e8ff5a5345c8f74e2acfdc68e009a

  • \Windows\SysWOW64\knohhg.dll

    Filesize

    140KB

    MD5

    035dda146051417ca897caa0282435d0

    SHA1

    d4e365c7fa51ead1a3218eada4cfc295501cd165

    SHA256

    5537a9a58bd5f81fef7c51b0f153bc1526bf67910af90bedfc5927542d0eef90

    SHA512

    783acad010ebff23acf69c8e5df3593d4bd80cc2544fa2692bffa9f38a7f212cf7657b6387fb910b9ec36e923dae407f163e8ff5a5345c8f74e2acfdc68e009a

  • memory/1684-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB

  • memory/1684-56-0x0000000010000000-0x000000001003C000-memory.dmp

    Filesize

    240KB

  • memory/1684-57-0x0000000010000000-0x000000001003C000-memory.dmp

    Filesize

    240KB

  • memory/1684-58-0x0000000010000000-0x000000001003C000-memory.dmp

    Filesize

    240KB

  • memory/1684-59-0x0000000000AA0000-0x0000000000C46000-memory.dmp

    Filesize

    1.6MB