Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    01-11-2023 14:08

General

  • Target

    NEAS.5346be90e99c5d8579a0efbd28419260.exe

  • Size

    369KB

  • MD5

    5346be90e99c5d8579a0efbd28419260

  • SHA1

    6008a18bb59c354f94c5bf466877653ee0823b7e

  • SHA256

    0c219d4923fa09043a62196ee996282ed3b1583008714e3e6e2764c1cb9bab39

  • SHA512

    86c8ab8f43341090551bc0be5112dc794529e4f678212eb78901ba0c93455b9492b18a408381698aff262a74946ad37df0d46c53e2e81effe9bab8d9ecf52ed5

  • SSDEEP

    6144:FOTeHI8HiL7+f57HIeqoz5XdUP3K/JZl5qQ/AmNCbidtRtJyOHs7:MeoGiLa2EUP3WlUQbC2dpHs7

Malware Config

Signatures

  • Ramnit

    Ramnit is a versatile family that holds viruses, worms, and Trojans.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3044
    • C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1736
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1736 -s 180
        3⤵
        • Program crash
        PID:2712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 176
      2⤵
      • Program crash
      PID:2696

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe

    Filesize

    183KB

    MD5

    40633681066127b575fccd6cf223772e

    SHA1

    5871ea626980c9561bea5aaf538bd36df4f9bedb

    SHA256

    0011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4

    SHA512

    a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c

  • C:\Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe

    Filesize

    183KB

    MD5

    40633681066127b575fccd6cf223772e

    SHA1

    5871ea626980c9561bea5aaf538bd36df4f9bedb

    SHA256

    0011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4

    SHA512

    a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c

  • \Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe

    Filesize

    183KB

    MD5

    40633681066127b575fccd6cf223772e

    SHA1

    5871ea626980c9561bea5aaf538bd36df4f9bedb

    SHA256

    0011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4

    SHA512

    a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c

  • \Users\Admin\AppData\Local\Temp\NEAS.5346be90e99c5d8579a0efbd28419260mgr.exe

    Filesize

    183KB

    MD5

    40633681066127b575fccd6cf223772e

    SHA1

    5871ea626980c9561bea5aaf538bd36df4f9bedb

    SHA256

    0011e81710b503f33f820d6e69e233f520bfb4e1641389623b2a03e44d4eedf4

    SHA512

    a49a3862ad954c34b098d7e2e684e8a86ec8945b3bfd48926ec64ab3b566b3429b4990f77b7a60fecc6d85b2747adb4c8e48a8eea34875ecb336bfe518a1561c

  • \Users\Admin\AppData\Local\Temp\~TM7ABB.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM7ACB.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TM7B68.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • \Users\Admin\AppData\Local\Temp\~TM7BF4.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/1736-17-0x00000000002D0000-0x0000000000301000-memory.dmp

    Filesize

    196KB

  • memory/1736-12-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/1736-32-0x0000000076E50000-0x0000000076F60000-memory.dmp

    Filesize

    1.1MB

  • memory/1736-31-0x0000000000400000-0x0000000000431000-memory.dmp

    Filesize

    196KB

  • memory/3044-20-0x0000000077380000-0x0000000077382000-memory.dmp

    Filesize

    8KB

  • memory/3044-18-0x000000007737F000-0x0000000077381000-memory.dmp

    Filesize

    8KB

  • memory/3044-9-0x0000000000310000-0x0000000000341000-memory.dmp

    Filesize

    196KB

  • memory/3044-0-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/3044-14-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB

  • memory/3044-19-0x0000000077380000-0x0000000077381000-memory.dmp

    Filesize

    4KB

  • memory/3044-13-0x0000000000310000-0x0000000000370000-memory.dmp

    Filesize

    384KB

  • memory/3044-28-0x0000000076E50000-0x0000000076F60000-memory.dmp

    Filesize

    1.1MB

  • memory/3044-27-0x0000000076E50000-0x0000000076F60000-memory.dmp

    Filesize

    1.1MB

  • memory/3044-33-0x0000000000400000-0x0000000000460000-memory.dmp

    Filesize

    384KB