Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-12-2024 12:11

General

  • Target

    1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782.exe

  • Size

    536KB

  • MD5

    48caaab4e0eff74db44c98d1b353744f

  • SHA1

    8a5a6aac61cb8982899ddb86cce0ddc8c4248a34

  • SHA256

    1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782

  • SHA512

    2a0ad46cbe582dc3933e9b5d072e7fe299856f4ca7f4879c2de9c465566c685832b6d608154501e237bd68d2d7be4b7592265db46a3da184add34c11d18157fa

  • SSDEEP

    6144:PtGrLFaxvDJDPAernALxwapvmNWz8+DeqXcnYxBCGvVpT0PFn0wccccccccWA8/S:FewD2OAONV+DeWZ7F9hF/BL96V

Malware Config

Signatures

  • Ramnit

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

  • Ramnit family
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782.exe
    "C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782mgr.exe
      C:\Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:1980
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1980 -s 180
        3⤵
        • Program crash
        PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\1c64423afe71c8539881c789518416a72ef8ee611727513e1f47c9c9154bb782mgr.exe

    Filesize

    184KB

    MD5

    1d92c741bc5b2d34dcd0a0265ab54275

    SHA1

    a160982825420567c15f6c11f777cb4ccbe69bb8

    SHA256

    3aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67

    SHA512

    1da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94

  • \Users\Admin\AppData\Local\Temp\~TMA1AC.tmp

    Filesize

    1.2MB

    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • \Users\Admin\AppData\Local\Temp\~TMA1DC.tmp

    Filesize

    1.1MB

    MD5

    9b98d47916ead4f69ef51b56b0c2323c

    SHA1

    290a80b4ded0efc0fd00816f373fcea81a521330

    SHA256

    96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

    SHA512

    68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

  • memory/1980-10-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/1980-16-0x0000000000400000-0x000000000042A000-memory.dmp

    Filesize

    168KB

  • memory/2204-0-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB

  • memory/2204-18-0x0000000000400000-0x000000000048A000-memory.dmp

    Filesize

    552KB