Analysis

  • max time kernel
    103s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2024 21:47

General

  • Target

    4827e34eeab28b1a411dba762296ffe236e9bd5f256443902037c0bbaa20fc9aN.exe

  • Size

    78KB

  • MD5

    01658283871862263343db8c80526e20

  • SHA1

    7304d9cf47d70ccd9a54892e53205ce8ed86d33e

  • SHA256

    4827e34eeab28b1a411dba762296ffe236e9bd5f256443902037c0bbaa20fc9a

  • SHA512

    3b62bd87ffd3910484728d3e21f2c7d759b823b0575ff9773ab33010581617e38646d3ce1733d4f7be80a26d7c72483720e86961803431364ad97a53f2693e66

  • SSDEEP

    1536:UPy5jS6vZv0kH9gDDtWzYCnJPeoYrGQt96g9/qT1y+A:UPy5jS6l0Y9MDYrm7f9/qXA

Malware Config

Signatures

  • MetamorpherRAT

    Metamorpherrat is a hacking tool that has been around for a while since 2013.

  • Metamorpherrat family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4827e34eeab28b1a411dba762296ffe236e9bd5f256443902037c0bbaa20fc9aN.exe
    "C:\Users\Admin\AppData\Local\Temp\4827e34eeab28b1a411dba762296ffe236e9bd5f256443902037c0bbaa20fc9aN.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:552
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\yujyadia.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2300
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESB1FA.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc2BB46FC133E24373B3131013822342AA.TMP"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1100
    • C:\Users\Admin\AppData\Local\Temp\tmpAFE7.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpAFE7.tmp.exe" C:\Users\Admin\AppData\Local\Temp\4827e34eeab28b1a411dba762296ffe236e9bd5f256443902037c0bbaa20fc9aN.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RESB1FA.tmp

    Filesize

    1KB

    MD5

    798037953087d144d1a7107db727eff7

    SHA1

    d1d135a7582b713efbe4710730739f39d24fcccf

    SHA256

    85b3448719c3a07dce20ec4510966d515f3a978e3153bc48c5b5d819991ebe70

    SHA512

    aac68930747a94068c50f2deea838cd56a620bac434f3b6b72c315e11ac7a094a273d5d7f8df70f4c6c4aac379ef498e59dad58e99154660682fde0e391447de

  • C:\Users\Admin\AppData\Local\Temp\tmpAFE7.tmp.exe

    Filesize

    78KB

    MD5

    a5485be7a0785578307e95979e79d7dc

    SHA1

    f432ef99583a440023b3e6abbd3c27f37de229d9

    SHA256

    7dd58eabc525611b31dd83590424f4833f38e419d1dc412e92d749fc5ecfa543

    SHA512

    a94eda715ce4c423760b4d91da9e477c297b38802219c528677d010b854acf11ed1628ff41f51f6bfce3f3ea65f61787362396bae644a7c9ca5ccfd8b749c89a

  • C:\Users\Admin\AppData\Local\Temp\vbc2BB46FC133E24373B3131013822342AA.TMP

    Filesize

    660B

    MD5

    23a8b4939af32a5546ca48cbf575538d

    SHA1

    3ceca127427eec3a57da63dbac9519b57b13bcb5

    SHA256

    09c68632fc2ab0fb0aa96449f51351bfd5aaddc8ec343a4d946db6c9ffb48874

    SHA512

    c7108d3753d00074ffa8ebdb3e1fe03345e97641ac1f7f5408bbe38896e2c206b57d512eee401d533f9a6b94be432939b5e27101e83539207bd5120b3da4ce82

  • C:\Users\Admin\AppData\Local\Temp\yujyadia.0.vb

    Filesize

    14KB

    MD5

    3bc2177ff602687e53bfd74c4b34c5d3

    SHA1

    593b71231d34a4c3440d55c226f9d2629adadf56

    SHA256

    be8952581d51929ce93a017371704fd8c1da07047e794bc0c67abb91978e99e0

    SHA512

    bd66c52d78744df97a84cc872505127b634ea65d8e1fb18d55871881ac2efdddb506090e664f170e19d4e5e81da3213452ccf1af086f49065e173ec4f10e8394

  • C:\Users\Admin\AppData\Local\Temp\yujyadia.cmdline

    Filesize

    266B

    MD5

    ea4c857e1c063107ce5e9b98366ca3c4

    SHA1

    38601a5e3f3fec25a0bf9516ae70c8d71de23547

    SHA256

    1b6fe3588b77dbbedec1e6913e4ed815a89f2d4e804c910d12665693d80a451a

    SHA512

    04a848cb8c601b65883727779527fd330397451eff3f444a3d32ae8a95946359893902788030f539496d2d6795fcd7ccefa8c1a48771985f6fd87ddd2797604d

  • C:\Users\Admin\AppData\Local\Temp\zCom.resources

    Filesize

    62KB

    MD5

    8b25b4d931908b4c77ce6c3d5b9a2910

    SHA1

    88b65fd9733484c8f8147dad9d0896918c7e37c7

    SHA256

    79c261ab6b394ee23ab0fd0af48bcd96f914c6bb88b36b6815b6bbf787ecd56e

    SHA512

    6d954066cec5eca118601f2f848f5c9deebe3761ac285c6d45041df22e4bc4e9e2fd98c1aa4fbb6b9c735151bf8d5fffa5acddf7060a4cf3cb7e09271a4a926d

  • memory/552-1-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/552-2-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/552-0-0x00000000754C2000-0x00000000754C3000-memory.dmp

    Filesize

    4KB

  • memory/552-22-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/2300-8-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/2300-18-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/4024-23-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/4024-24-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/4024-26-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/4024-27-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB

  • memory/4024-28-0x00000000754C0000-0x0000000075A71000-memory.dmp

    Filesize

    5.7MB