Analysis

  • max time kernel
    111s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14/09/2024, 10:35

General

  • Target

    258d42fc1176ecd0d6346669f4c9e160N.exe

  • Size

    130KB

  • MD5

    258d42fc1176ecd0d6346669f4c9e160

  • SHA1

    fe4fe8c8aa51d31550e3475b7556b156e7718e83

  • SHA256

    f0f95676bfc80adbdbb21243ddb8f2db0abc52723c4abd5329383dce86152cd6

  • SHA512

    40d040ebe193d60bdbef3cbb59e79f017c20d88fdb33d297eabb52abb24c94bd48c0f83491638b38b1e59d6d2a911211c98540803c581a9902a75f21eb0b7ed6

  • SSDEEP

    3072:TZN8X8vGJvbOEITHFvvVeOn8TGOa88dNXTbSp:TUnNbTIbJV5n8iOPWNjbSp

Malware Config

Signatures

  • Ramnit

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 4 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 behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\258d42fc1176ecd0d6346669f4c9e160N.exe
    "C:\Users\Admin\AppData\Local\Temp\258d42fc1176ecd0d6346669f4c9e160N.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Admin\AppData\Local\Temp\258d42fc1176ecd0d6346669f4c9e160Nmgr.exe
      C:\Users\Admin\AppData\Local\Temp\258d42fc1176ecd0d6346669f4c9e160Nmgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:2296
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2296 -s 180
        3⤵
        • Program crash
        PID:2672

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \Users\Admin\AppData\Local\Temp\258d42fc1176ecd0d6346669f4c9e160Nmgr.exe

          Filesize

          106KB

          MD5

          fe36fb1073e6f8fa14d7250501a29aaf

          SHA1

          6c7e01278362797dabcff3e666b68227cb9af10f

          SHA256

          f34e5af97ccb3574f7d5343246138daf979bfd1f9c37590e9a41f6420ddb3bb6

          SHA512

          8584c008c5780352f634c37b7f46543a26280b57577b675f6e72185bfc1d95f771d210d799d704eceaba509ebfd2796fb43829495d5b2a568c741ad2d44f882f

        • \Users\Admin\AppData\Local\Temp\~TM9473.tmp

          Filesize

          1.2MB

          MD5

          d124f55b9393c976963407dff51ffa79

          SHA1

          2c7bbedd79791bfb866898c85b504186db610b5d

          SHA256

          ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

          SHA512

          278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

        • \Users\Admin\AppData\Local\Temp\~TM9500.tmp

          Filesize

          1.1MB

          MD5

          9b98d47916ead4f69ef51b56b0c2323c

          SHA1

          290a80b4ded0efc0fd00816f373fcea81a521330

          SHA256

          96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b

          SHA512

          68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94

        • memory/2068-0-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB

        • memory/2068-18-0x0000000000400000-0x000000000042F000-memory.dmp

          Filesize

          188KB

        • memory/2296-9-0x0000000000400000-0x000000000042A000-memory.dmp

          Filesize

          168KB

        • memory/2296-16-0x0000000000400000-0x000000000042A000-memory.dmp

          Filesize

          168KB