Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-12-2024 02:29

General

  • Target

    bfe8038d77f9eac20a942d13cabaeab52ae1e6aa2bf38bd5fc9730cb441e6d57.exe

  • Size

    78KB

  • MD5

    4c0e7335774001ac719761c8a5a747d6

  • SHA1

    b11527c1ed0630a86c7c33f8834c3add90d51b9d

  • SHA256

    bfe8038d77f9eac20a942d13cabaeab52ae1e6aa2bf38bd5fc9730cb441e6d57

  • SHA512

    ba146ce7de02c4c1e693bc8f8bf82aea688f3af1c28cebaba9d0834a959c4eedfb93c9e8056208c1341fde9c3b42150ee2846a89fd698338a2f9858b41c10990

  • SSDEEP

    1536:oSV5Ody0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtC6O9/r1fD:oSV55n7N041Qqhg29/B

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.

  • Deletes itself 1 IoCs
  • 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\bfe8038d77f9eac20a942d13cabaeab52ae1e6aa2bf38bd5fc9730cb441e6d57.exe
    "C:\Users\Admin\AppData\Local\Temp\bfe8038d77f9eac20a942d13cabaeab52ae1e6aa2bf38bd5fc9730cb441e6d57.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:920
    • 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\zrkl9kyc.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5048
      • 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\RES7F5A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc6503AC5E8AD446B6887917F020DA1434.TMP"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2864
    • C:\Users\Admin\AppData\Local\Temp\tmp7E80.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp7E80.tmp.exe" C:\Users\Admin\AppData\Local\Temp\bfe8038d77f9eac20a942d13cabaeab52ae1e6aa2bf38bd5fc9730cb441e6d57.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1108

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RES7F5A.tmp

    Filesize

    1KB

    MD5

    07a0338209c782af8280981068ce863f

    SHA1

    8b592626ba2fc32de2645a48bb8cd6d9bfd1251e

    SHA256

    55a655834a2d636f3409e88e4f0b68dd1938fb831e9c8e7d9b0c81bb1bde41d0

    SHA512

    7f9e8d84c89009c2806d9a71b6a01ac876e81008db8d94fe68261298bbeda8c58fbf7e7e92732d9f971c8e89dd5a75a989ee4a65cc9a70d5a288c36d4e5ee990

  • C:\Users\Admin\AppData\Local\Temp\tmp7E80.tmp.exe

    Filesize

    78KB

    MD5

    36a5e016b52cca5a177f7d298f15be56

    SHA1

    c6cc64e60a55ee95a0594ecc76f3d28a06e4cfbc

    SHA256

    1f9e4a305e0c39ef21513ed2e5e4e0a2f9e47d15f0d0056fd2419573ed173cf3

    SHA512

    cd9344cd98c25a6c6250dab955f706814fd04332d5dbbe9371d319c8a6b723c8d55aa3aedc406865e8b4fd1a336f3e37256d623644e4a81039dd05dd77f81c4d

  • C:\Users\Admin\AppData\Local\Temp\vbc6503AC5E8AD446B6887917F020DA1434.TMP

    Filesize

    660B

    MD5

    eb58dd0baf9f133f6365fc64723eff00

    SHA1

    f55acde9d4b6453a85bc37c56ea7978a823e69d3

    SHA256

    17487c444203817bdc534022b7b2fc7e482fc34484ef9205eec5b036bb0fd299

    SHA512

    858ab65382c22ba518fcd3749476229cdca16c79174f768a51c36dc0d2089e4e9cb03a9375c0c9c393b186a5f09a632729733ef8d99ea8198b0cf65b37c93b1b

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

    Filesize

    62KB

    MD5

    aa4bdac8c4e0538ec2bb4b7574c94192

    SHA1

    ef76d834232b67b27ebd75708922adea97aeacce

    SHA256

    d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

    SHA512

    0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

  • C:\Users\Admin\AppData\Local\Temp\zrkl9kyc.0.vb

    Filesize

    14KB

    MD5

    ab0bb58de7f30103e971959dff4188cd

    SHA1

    9b66bd0c4187fdad27f94f09f13f0cf61b45a2ed

    SHA256

    5482ff8f474258ac24ed719f753ce61f8878141a863b3cba94cf69ac2b5043ff

    SHA512

    57b5e5a5333efae46620cb3e683aa8ab8b1ad6db43c600962ce25216d37536c947c0dd904936ec63a6df70f208f1fb3ff275276db1e3ce93ae271b60826436e2

  • C:\Users\Admin\AppData\Local\Temp\zrkl9kyc.cmdline

    Filesize

    266B

    MD5

    9b49ed75443a112f6c618e8ab17a30ab

    SHA1

    8a7cdb6d13780fecc7c84af14eac06d5df1a3baa

    SHA256

    63a39443c90720a2a068f4955994b74802bad96afb0fde0178f959e06cf0fefa

    SHA512

    b80dbbaf20b79a38ce4b18874e9d5b24c5c91e84e3deba5dd79db15293caf55b5db9625e209a007a232fe4fa1983a1fa4e6e5ffc189525f84daf4bb5d910c359

  • memory/920-22-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/920-2-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/920-1-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/920-0-0x0000000075502000-0x0000000075503000-memory.dmp

    Filesize

    4KB

  • memory/1108-23-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/1108-24-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/1108-26-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/1108-27-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/1108-28-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5048-9-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB

  • memory/5048-18-0x0000000075500000-0x0000000075AB1000-memory.dmp

    Filesize

    5.7MB