Overview

overview

10

Static

static

load.msi

windows7_x64

10

load.msi

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    13-10-2021 13:10

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General

  • Target

    load.msi

  • Size

    548KB

  • MD5

    dffb3d323708f624dc3469e99c3adcb3

  • SHA1

    043620bdea4fd9d48673db8081ffbd9f25d1d8ac

  • SHA256

    eceb164a69e8f79bb08099fcdf2b75071c527b0107daebc0e7a88e246b4c7f13

  • SHA512

    a30b70e5bb259410606d5e123e17b8502423912ecedf6d6ebad6b180a372c58f36231f0c85b610ad89e5328b1e63e257be932d4d3fea8971853516e31f531f84

Score
10/10
mirrorblastloaderpersistencesuricata

Malware Config

Signatures

  • MirrorBlast

    MirrorBlast is a script acting as loader for FlawedGrace RAT.

    loadermirrorblast
  • suricata: ET MALWARE MirrorBlast CnC Activity M2

    suricata: ET MALWARE MirrorBlast CnC Activity M2

    suricata
  • suricata: ET MALWARE MirrorBlast CnC Activity M3

    suricata: ET MALWARE MirrorBlast CnC Activity M3

    suricata
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 48 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 7 IoCs
  • Checks SCSI registry key(s) 3 TTPs 64 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 55 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I C:\Users\Admin\AppData\Local\Temp\load.msi
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:804
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1948
    • C:\ProgramData\Local\Google\rebol-view-278-3-1.exe
      "C:\ProgramData\Local\Google\rebol-view-278-3-1.exe" -w -i -s C:\ProgramData\Local\Google\exemple.rb
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1676
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c echo %USERDOMAIN%\%USERNAME% > name && for /f "tokens=4-5 delims=. " %i in ('ver') do echo %i.%j > os && echo %PROCESSOR_ARCHITECTURE% > arch
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2120
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c ver
          4⤵
            PID:3820
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:64
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k netsvcs -s DsmSvc
      1⤵
      • Checks SCSI registry key(s)
      • Modifies data under HKEY_USERS
      PID:2072

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    1
    T1112

    Credential Access

    Discovery

    Query Registry

    2
    T1012

    Peripheral Device Discovery

    2
    T1120

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Local\Google\arch
      MD5

      8a882b4a938846d19520af8484f09012

      SHA1

      4ba6aa85fc2d9c1f087fd0573ed818af71c4b6fe

      SHA256

      1009573fa6f897afcc5055f52a2216bfe7fcb308d6cab15922a5b3668df7f34b

      SHA512

      299aa6f6d42b8be1a827b8a2543b89de4c324a050d3aa34cf74b7550774586aeec60cccf83782c69569a0fb81a171e3ea6de0c56c11ec6f563b1fe1864452543

      Download Submit
    • C:\ProgramData\Local\Google\exemple.rb
      MD5

      ff4a24c83564f1a01d5a815eaa8a2bf9

      SHA1

      2e713f9fc72db1ed0cd5088172c3b24906e8be13

      SHA256

      9c109c41d497cbe752edf56c1ac0e1ffb06357160b12100cc84eb2d4ddcb7b13

      SHA512

      e628d20c9bc728709d0f46557e5fd017e4594dcbd680486acd6ed1e1721a8692644f2cf0f323b30e74d03230b8320d2f6e1b0f5fd073192e1a28aa7e8ac2c7e1

      Download Submit
    • C:\ProgramData\Local\Google\name
      MD5

      0b644b2a65c6141fc40441b708531056

      SHA1

      7cc45d2cb31329a792392bf2c5d3023fff9feb9e

      SHA256

      140cab2330a306eb882d44b6ee9881f1b7f3b699ac33d14194d56913ade18285

      SHA512

      65970af226c9113dd3aef625bbd668ece13aca1a3ebe9a9340795a5d7b51b598ec43105e9784e230c93863ab1b00eb50dc6ae2439001db12d085b7e642a8b968

      Download Submit
    • C:\ProgramData\Local\Google\os
      MD5

      83228b44ffe10b0d443969580b022f44

      SHA1

      1ebe8668b8ce8d9524cc539ab9c6af022e861d60

      SHA256

      b57eac3cb43c42d7f2cc137b372a9271fe3906444bd9a9ed4b16c20ee3e9e70d

      SHA512

      cc7c82779ffce41b68bb21a48c9872c27177353eac12d9f0364d98abbefda106af05486cf8a246a6192754d077d19fed46ce4e0018b7eb1ef724b1f15b397660

      Download Submit
    • C:\ProgramData\Local\Google\rebol-view-278-3-1.exe
      MD5

      aa2f4fd92fe00de85428f39a6e0e9cfd

      SHA1

      1def65dde53ab24c122da6c76646a36d7d910790

      SHA256

      215e28f9660472b6271a9902573c9d190e4d7ccca33fcf8d6054941d52a3ab85

      SHA512

      952b500e4a291a8bd58810529c1fcc17d969b082d29f00460aba6ada44a30ddc41595f8b0fe71e568ecba803df69985840f10f0a9e478c796c73dc5659ce314e

      Download Submit
    • C:\ProgramData\Local\Google\rebol-view-278-3-1.exe
      MD5

      aa2f4fd92fe00de85428f39a6e0e9cfd

      SHA1

      1def65dde53ab24c122da6c76646a36d7d910790

      SHA256

      215e28f9660472b6271a9902573c9d190e4d7ccca33fcf8d6054941d52a3ab85

      SHA512

      952b500e4a291a8bd58810529c1fcc17d969b082d29f00460aba6ada44a30ddc41595f8b0fe71e568ecba803df69985840f10f0a9e478c796c73dc5659ce314e

      Download Submit
    • \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
      MD5

      e636cabaf2073037d3127aa94f070555

      SHA1

      c69acab41fd5933a1846fc3545ae17be40c0e380

      SHA256

      2160df808b4e2d30d1ef37c75b67bd2ec72e3dbfc23bf9187a019ea2c1ad592f

      SHA512

      fa2b7b98ea7cbfb099e0be71b746be810ffaf5340ea6709acaf58ef9a5d37fb2458b00be5d5ff1684b5febb8459f3f447ddaf7996fe8d076be86f00be4056334

      Download Submit
    • \??\Volume{d05cfc4a-0000-0000-0000-500600000000}\System Volume Information\SPP\OnlineMetadataCache\{5ca5b720-60db-451d-98b7-4dd1a28d91a5}_OnDiskSnapshotProp
      MD5

      9a76db200bfbcbd5d6fd35bfa74a4123

      SHA1

      4247ac1c545adf66064504ce08d956c69fba8e02

      SHA256

      70344a5c6e98c39ccaf47d20894f3da4edd5af8fd9b5d5a2d99989db3663516d

      SHA512

      a2681f2851e52f44655a0f14d94ec6edf84f6613ebd138a0a4c2d799524f4abe923d938a884d76d6efcc65e16fb1fe92a1a29366461bf9d892e9ec3882a050e1

      Download Submit
    • memory/60-117-0x00000204E1C00000-0x00000204E1C02000-memory.dmp
      Filesize

      8KB

      Download
    • memory/60-116-0x00000204E1C00000-0x00000204E1C02000-memory.dmp
      Filesize

      8KB

      Download
    • memory/804-115-0x00000223A0FE0000-0x00000223A0FE2000-memory.dmp
      Filesize

      8KB

      Download
    • memory/804-114-0x00000223A0FE0000-0x00000223A0FE2000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1676-120-0x0000000000000000-mapping.dmp
      Download
    • memory/1948-118-0x0000000000000000-mapping.dmp
      Download
    • memory/2120-124-0x0000000000000000-mapping.dmp
      Download
    • memory/3820-125-0x0000000000000000-mapping.dmp
      Download