Analysis

  • max time kernel
    117s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-09-2024 11:56

General

  • Target

    d57ef20a0dfd870b65c3b45134d4ad50N.exe

  • Size

    78KB

  • MD5

    d57ef20a0dfd870b65c3b45134d4ad50

  • SHA1

    a2b63ddffbad739eebeee942d632064fe23aeaa4

  • SHA256

    e949c55f2c062c0201f679cad4be24609baeff83d97189faad9862783d5644f0

  • SHA512

    a5eaf4a0d8671782bcdfb65a88292802346d3bd5139fb239eef8901d4066b44103ed18578a6bfaedcea3385748540f7f52b86d70f2504a81ad232cbf85039a70

  • SSDEEP

    1536:EPy5jSVdy0MochZDsC8Kl/99Z242UdIAkn3jKZPjoYaoQtN6P9/Q1IX:EPy5jSAn7N041Qqhgo9/H

Malware Config

Signatures

  • MetamorpherRAT

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

  • 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\d57ef20a0dfd870b65c3b45134d4ad50N.exe
    "C:\Users\Admin\AppData\Local\Temp\d57ef20a0dfd870b65c3b45134d4ad50N.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4600
    • 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\_eqzxzdc.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1240
      • 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\RES6D6F.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc17DACA19B771403F8C57374DB97A5F.TMP"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2504
    • C:\Users\Admin\AppData\Local\Temp\tmp6BF8.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp6BF8.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d57ef20a0dfd870b65c3b45134d4ad50N.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RES6D6F.tmp

    Filesize

    1KB

    MD5

    2eed97a493e188a695884116923df0b5

    SHA1

    581825baedbaf7dab185227f916f24b5776567db

    SHA256

    666198fc9e4f538b7c179069a0381a7ec3c1d9af7b0a6de5ce7ba3e68f7ccfb0

    SHA512

    328e100c1b2a62967da210d08b36eb42612e9dc272a108b96a32a0335ffcfae7f8ecffa7ae259d5a61b338d381e482fbaa9d3a8cad680dd773a3bc12fce20fe7

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

    Filesize

    14KB

    MD5

    2294b92613eb8b2a8874972d611af8c7

    SHA1

    bddd3ba5d458e959cd0b09c02859d1110147f1c9

    SHA256

    5b9aae4bd4210aa9878e059260415f9421aefc77d3322c99c2aaad6099a91858

    SHA512

    1dacd9f6e4af6b525a09eeb830eef5adeba45ef94bc311589f26737fe373c2c3f2d4f49fb073a4fee74f25b172f046405947e1198a11643b4e0e34d451441345

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

    Filesize

    266B

    MD5

    12ab0fb6c2981b2d8426da7430c7af64

    SHA1

    70136dcbe2a34d9125b0f20af9e49ce20120f528

    SHA256

    fa659fb61377f1e1bc45c028746e34294b5cd7ab8538b94502b53e49fd71c019

    SHA512

    aaca56a86a224dfb81d5745ae503ec55e82758f9bbe404660f739037e9f401019ff42eef2bd6c51a601f9edeff7bb23214e000aa2cd6229b744fc48616d8508f

  • C:\Users\Admin\AppData\Local\Temp\tmp6BF8.tmp.exe

    Filesize

    78KB

    MD5

    c4d207cbfed210d4f0e5f4e326b54221

    SHA1

    e028ab955204e88206a133fb4f3b2d59c5ad3e44

    SHA256

    8d59d38f623580a42d34fa3f7c9bba8d535fcaaf0f2efc637352a8ba536f585b

    SHA512

    619ce3bd65be55b2a75018e0f197661fe0e8f71cf6c53399849ba8d140aef18e3efde93e2580bc67d8785513832c8bcea3adf6900bc6065b98cd4d255b046ea2

  • C:\Users\Admin\AppData\Local\Temp\vbc17DACA19B771403F8C57374DB97A5F.TMP

    Filesize

    660B

    MD5

    21b031582d540cda413a5b7e07f9334b

    SHA1

    84d7caea9deb941ac02cd39107a51f8473282477

    SHA256

    f60d7ec4a9ec01fc18f1a976c590e7b6b4b4fd2a7883af9bc82454ca82ba8514

    SHA512

    390730e218dca8947dd62c1ca19c8196e6b5dbd258bd0aea1f2f8e452cb9e15d3ac9c3b700ae369b1b9b17328d34745c210b7cc385f6697bc97f877715bfee69

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

    Filesize

    62KB

    MD5

    aa4bdac8c4e0538ec2bb4b7574c94192

    SHA1

    ef76d834232b67b27ebd75708922adea97aeacce

    SHA256

    d7dbe167a7b64a4d11e76d172c8c880020fe7e4bc9cae977ac06982584a6b430

    SHA512

    0ec342286c9dbe78dd7a371afaf405232ff6242f7e024c6640b265ba2288771297edbb5a6482848daad5007aef503e92508f1a7e1a8b8ff3fe20343b21421a65

  • memory/1240-8-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/1240-18-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-23-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-24-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-26-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-27-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/2036-28-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4600-0-0x0000000074B12000-0x0000000074B13000-memory.dmp

    Filesize

    4KB

  • memory/4600-2-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4600-1-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB

  • memory/4600-22-0x0000000074B10000-0x00000000750C1000-memory.dmp

    Filesize

    5.7MB