Analysis

  • max time kernel
    121s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2024, 16:27

General

  • Target

    2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe

  • Size

    311KB

  • MD5

    24c804f1c5d63c55558fd9092199b43a

  • SHA1

    cfde09ccf7f8bcc753df5cbaaca8ffc2090e283f

  • SHA256

    3e764285adea480b3fb2f685bac5a075189fd984d3619b47f6cea56fa387ed8b

  • SHA512

    4bab90870a73a5c342b1ce30a5fd01ac8e82a848753b7c1e51d89f47156cf3ed7473940fcf2eb8993db1cd3bd871f529c8261902a28ab9f96e33a0a9f661d3a4

  • SSDEEP

    6144:Obg3eugrl6p0bQWaM0EW6iZ77BAWEwrbI:yguNrl6p0b2oW6iZh8

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 3 IoCs
  • 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
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnit.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe
      C:\Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1388
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1388 -s 180
        3⤵
        • Program crash
        PID:2672

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\2024-03-27_24c804f1c5d63c55558fd9092199b43a_karagany_mafia_ramnitmgr.exe

          Filesize

          184KB

          MD5

          1d92c741bc5b2d34dcd0a0265ab54275

          SHA1

          a160982825420567c15f6c11f777cb4ccbe69bb8

          SHA256

          3aab3cf37efd4c034da13a0d7ba8725f49a21d227e05f3bba91d8d36350f4a67

          SHA512

          1da728dba6383e0e9fc51370f8fb782a15e724b57b952d952e4c719f81d517a56035b1e9496da3d7f9bf79af0a4bd5caa8a351ca60f40d637da3648224944b94

        • \Users\Admin\AppData\Local\Temp\~TM6039.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM60A7.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/1388-15-0x00000000774EF000-0x00000000774F1000-memory.dmp

          Filesize

          8KB

        • memory/1388-9-0x0000000000400000-0x000000000042A000-memory.dmp

          Filesize

          168KB

        • memory/1388-18-0x00000000774F0000-0x00000000774F2000-memory.dmp

          Filesize

          8KB

        • memory/1388-17-0x00000000774F0000-0x00000000774F1000-memory.dmp

          Filesize

          4KB

        • memory/1388-21-0x0000000075540000-0x0000000075650000-memory.dmp

          Filesize

          1.1MB

        • memory/1388-10-0x0000000000220000-0x000000000024A000-memory.dmp

          Filesize

          168KB

        • memory/1388-22-0x0000000000400000-0x000000000042A000-memory.dmp

          Filesize

          168KB

        • memory/1388-23-0x0000000075540000-0x0000000075650000-memory.dmp

          Filesize

          1.1MB

        • memory/2696-11-0x00000000008A0000-0x00000000008F5000-memory.dmp

          Filesize

          340KB

        • memory/2696-0-0x00000000008A0000-0x00000000008F5000-memory.dmp

          Filesize

          340KB