Overview

overview

7

Static

static

3

virussign....30.exe

windows7-x64

7

virussign....30.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    147s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/06/2024, 19:12

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General

  • Target

    virussign.com_674a11f635db806d387615a07aa68330.exe

  • Size

    1.1MB

  • MD5

    674a11f635db806d387615a07aa68330

  • SHA1

    29a0a86f4c7188ba370a57e01563393201887604

  • SHA256

    46f7da65bf81989c7ede6b4334001f8aa00b653fbaf0db3140fcc69ed3823f16

  • SHA512

    809aad9dce32c8f43844f17f2d8eb7222d6ffc92c5ed7b81487f295ba31b054f93c49b0a4d9de207c9f015048a40b25ca7bc69df4f44da22b0163fbb83aef683

  • SSDEEP

    24576:CH0dl8myX9Bg42QoXFkrzkmmlSgRDko0lG4Z8r7Qfbkiu5Qf:CcaClSFlG4ZM7QzM4

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 5 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\virussign.com_674a11f635db806d387615a07aa68330.exe
    "C:\Users\Admin\AppData\Local\Temp\virussign.com_674a11f635db806d387615a07aa68330.exe"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
      • Checks computer location settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3352
      • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
        "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
        3⤵
        • Checks computer location settings
        • Deletes itself
        • Executes dropped EXE
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:380
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:736
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:4816
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
          4⤵
          • Checks computer location settings
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:968
          • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:3560

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
    Filesize

    92B

    MD5

    67b9b3e2ded7086f393ebbc36c5e7bca

    SHA1

    e6299d0450b9a92a18cc23b5704a2b475652c790

    SHA256

    44063c266686263f14cd2a83fee124fb3e61a9171a6aab69709464f49511011d

    SHA512

    826fbc9481f46b1ae3db828a665c55c349023caf563e6e8c17321f5f3af3e4c3914955db6f0eebfc6defe561315435d47310b4d0499ab9c2c85bb61264dedc09

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  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
    Filesize

    696B

    MD5

    ae75c3a96c26ddc15e3c678434b18374

    SHA1

    7abb4cd173f5c8565c891bc5305922439e880fed

    SHA256

    1b84f073d7c021672b1951a420b183f570b94f4d7c14c86698b22bbd353bf965

    SHA512

    e817ab91d4d73840a290ff2e999a5136328b315afa16ec831b6ddabea08cf07d8dd61b332cbeded13bde712e7c87538228ff8d163c0f659da84134f04e5a3b7e

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  • C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
    Filesize

    735B

    MD5

    64e0e8e9f7b147d92ff9ad990189d507

    SHA1

    50c2b50b17a0fd59a00780bdfc3c1c4ea2dc0f2a

    SHA256

    d0422595c884305ba8fa791b3fb5a775036727cbdd3dbdf5f4020495dc933fa6

    SHA512

    bb61213234f83ce967eaea4863bba1d6c5a5a7aeb1651d8a809889a158a2408d8cb03aae048af84f2525278dcef534caf0fca057b411d2ae9f12ca79a75edfca

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    Filesize

    1.1MB

    MD5

    187b04906211b7aae18dc9df17dcbd03

    SHA1

    4e0094b071f3a46e0d0405830ff5b70cf2262bf5

    SHA256

    118a83294ec547ee5fda45709ee99253e621a200d896fc2debed860d6503107a

    SHA512

    25b6bfe357c0b1fa5955697810d0055ccc8b0b1bbcd773c28db0a0a08bdb3236c1637901501a8f050651d051718ec80ec1e1c2605db8ecae1e432f1b58c5bf6b

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  • C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
    Filesize

    1.1MB

    MD5

    738ad150fbae334c8d20025d2204e785

    SHA1

    95b026a3f2910d4de5f2fd80eb8eb0902061e408

    SHA256

    efa17da2d94f12da705c80bcc582a6c535e4f127d0c5e061ffb837442c9f8bef

    SHA512

    94e0f1391ca95d24665232b4a7422d621191931a7e746bd16cfce306a41569ffcfbd98ab3bc209be93a6892fac15cfcfa7904237588f87b823a7492e0e7323d2

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  • memory/2652-8-0x0000000000400000-0x0000000000551000-memory.dmp

    Filesize

    1.3MB

    Download