Analysis

  • max time kernel
    145s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/03/2024, 21:34

General

  • Target

    5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702.exe

  • Size

    787KB

  • MD5

    1ec0a138b86ce5bd3a0e0c8d5d069f19

  • SHA1

    42ef67d99a25736dc08b8e043e8e6734f57cf29c

  • SHA256

    5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702

  • SHA512

    96041ae277acd76ac65a90c657078ec97ec357f80b40f61ebbc142bb4669f705d246e424f1b3d2108da80abb05959e03aa075d512cfe8a6911b964701c095bb2

  • SSDEEP

    12288:qPUYOEXna6yhByZ+3RC7DgZEbPzJSVHZne+Mlcv:LYnanhEZORYTrFSPZM2

Malware Config

Signatures

  • Ramnit

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

  • UPX dump on OEP (original entry point) 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

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

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702.exe
    "C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4632
    • C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702mgr.exe
      C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702mgr.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      PID:1216
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1216 -s 516
        3⤵
        • Program crash
        PID:4788
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1216 -ip 1216
    1⤵
      PID:1804
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3996 --field-trial-handle=2228,i,17475224967547320003,13667387715861799238,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:5040

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\5afffde17eb44aa4d999eb10d39a0ceb483f359d50c05551c7dbf5dce6a5e702mgr.exe

              Filesize

              157KB

              MD5

              2ad7467eeceedd64b8bd4f6e04c3cd49

              SHA1

              d6c5d9878dc49ae9b531d61283609e207154a921

              SHA256

              2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9

              SHA512

              7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a

            • C:\Users\Admin\AppData\Local\Temp\~TM92CA.tmp

              Filesize

              1.6MB

              MD5

              4f3387277ccbd6d1f21ac5c07fe4ca68

              SHA1

              e16506f662dc92023bf82def1d621497c8ab5890

              SHA256

              767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

              SHA512

              9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

            • memory/1216-5-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/1216-6-0x0000000000400000-0x0000000000432000-memory.dmp

              Filesize

              200KB

            • memory/1216-8-0x0000000001F70000-0x0000000001FA2000-memory.dmp

              Filesize

              200KB

            • memory/1216-11-0x0000000077912000-0x0000000077913000-memory.dmp

              Filesize

              4KB

            • memory/1216-12-0x0000000077912000-0x0000000077914000-memory.dmp

              Filesize

              8KB

            • memory/4632-0-0x0000000000440000-0x000000000050A000-memory.dmp

              Filesize

              808KB