Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 16:00

General

  • Target

    d8bb242b667097169c2e9538185ce6b0a4c9af43a3837118e6f45d17296ec5b5.exe

  • Size

    78KB

  • MD5

    aa278ddc64eabce4672cf632f31cd4ff

  • SHA1

    a30fd5c29fc9eaa4cddac9acc0f25dfb75179dd0

  • SHA256

    d8bb242b667097169c2e9538185ce6b0a4c9af43a3837118e6f45d17296ec5b5

  • SHA512

    e586bebcc77ebe0672358955121dfaba0b68264c07fac0db3b224d283c8fa4ebe67b20f7c17e57eaf229c73fd8b6eec2d6f959c11245e672291f316f36df3f48

  • SSDEEP

    1536:dRy58RXT0XRhyRjVf3znOJTv3lcUK/+dWzCP7oYTcSQtC6i9/L1X7:dRy58RSyRxvY3md+dWWZyK9/t

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\d8bb242b667097169c2e9538185ce6b0a4c9af43a3837118e6f45d17296ec5b5.exe
    "C:\Users\Admin\AppData\Local\Temp\d8bb242b667097169c2e9538185ce6b0a4c9af43a3837118e6f45d17296ec5b5.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:220
    • 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\lyxlnmrn.cmdline"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1348
      • 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\RES7C83.tmp" "C:\Users\Admin\AppData\Local\Temp\vbcEC64440D76494C05A81971A55A3BB74.TMP"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2104
    • C:\Users\Admin\AppData\Local\Temp\tmp7A50.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp7A50.tmp.exe" C:\Users\Admin\AppData\Local\Temp\d8bb242b667097169c2e9538185ce6b0a4c9af43a3837118e6f45d17296ec5b5.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\RES7C83.tmp

    Filesize

    1KB

    MD5

    104335c2c50f941d9f7bc41048d78392

    SHA1

    0ce674f43952394bbcbefb38c68874598ccf53d6

    SHA256

    f75c8b74acfc7579cc3fb3c86975d933e5dd4787d8d2a063800190642a7bbc63

    SHA512

    2a02107f99ba59edbe14181fe77166ccdb4e361128717cfcfff30a1dc36242ac001e0313c2cf3f8d3f05e2bb86135440ed871536d306001455ff079d075ead0e

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

    Filesize

    14KB

    MD5

    c8330ec979deb05a297fd39ea659b6c6

    SHA1

    0c90f8b03bc4c9ab242f7b11b9932e68327e5129

    SHA256

    aa016718f760d2f729bae273f134fd90620956ca27ec7e87fb8055547c285089

    SHA512

    a527e8a5c67e1e2f8cc534d2ae1e3b23111eb031bbacc990640cc47f40ca0b58b1321e4b38a6673d2d0b62c59047263da11adbde9673e4f95ff0b799826a8b19

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

    Filesize

    266B

    MD5

    4bc701adb6c3473eb83d47d1d6d7fa77

    SHA1

    ff907566a80a3cc62029cd86f3a01aa51f088dcc

    SHA256

    22fd77be8c2cbda7e71cade24683c2c7305affe8802d7050ce3e21fdd3e3d928

    SHA512

    d044ba0a5567a531f0564077ee6e054258d86fac20c0313e368f7c051cb58fe17abf998326d23b19a6e411664c7f38e8863130bb626d55c4ead79fbeda6344fe

  • C:\Users\Admin\AppData\Local\Temp\tmp7A50.tmp.exe

    Filesize

    78KB

    MD5

    a90be595c5b76d4c8941c4bf3990bec9

    SHA1

    c73b91f13aa267fea163fd7d2f3502301a43f003

    SHA256

    d98d574faa2298a525f89330a4063d7d29f253a62eb772a521510ad565195edc

    SHA512

    6e566dc36bbed105eba684cf76470d1aba9619769aa725cc86d98d328878b8ee0247eb995fa451228134ab037db58ad21fb27a5a0708ff457b4106c8768f97dd

  • C:\Users\Admin\AppData\Local\Temp\vbcEC64440D76494C05A81971A55A3BB74.TMP

    Filesize

    660B

    MD5

    cfaa3beea2dd2952faa678cf1833df50

    SHA1

    f96729eb64a0456436d2a5b49f871392daff844d

    SHA256

    0a141d98bd3720d6ba13a1c1d80cb52bdfddeba66efa1ba9de2279093a8014e1

    SHA512

    38d786a62d5a257ae650b9a532adc04e1a263d537baafc2461fb867748d1b863a441aa60a6cda198cb7ee89d0394a6f992ee8082751a084879faa5977c47d004

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

    Filesize

    62KB

    MD5

    4f0e8cf79edb6cd381474b21cabfdf4a

    SHA1

    7018c96b4c5dab7957d4bcdc82c1e7bb3a4f80c4

    SHA256

    e54a257fa391065c120f55841de8c11116ea0e601d90fe1a35dcd340c5dd9cd5

    SHA512

    2451a59d09464e30d0df822d9322dbecb83faa92c5a5b71b7b9db62330c40cc7570d66235f137290074a3c4a9f3d8b3447067ed135f1bb60ea9e18d0df39a107

  • memory/220-0-0x0000000075542000-0x0000000075543000-memory.dmp

    Filesize

    4KB

  • memory/220-1-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/220-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/220-22-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/1348-18-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/1348-9-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4320-23-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4320-24-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4320-26-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4320-27-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4320-28-0x0000000075540000-0x0000000075AF1000-memory.dmp

    Filesize

    5.7MB