Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    17/12/2022, 08:10

General

  • Target

    MV TAYDO STAR-VESSEL PARTICULARS.js

  • Size

    895KB

  • MD5

    eaa0d0183335da6eaee3680ec0f11209

  • SHA1

    d6506fa84779f2fb61b86a68c948f44f5abbee12

  • SHA256

    8aaf453b110fa7065e947c3ce62adba79a22b32894a5779bc2aa9cfd87d6df1c

  • SHA512

    61af0c623e36894abbfc6ed557c3a51d851c82273dbefeb186ee677b6eb5a800206500c27abbdaeea047119cf009e7c368c041bac4e98e06b51da09820c0f113

  • SSDEEP

    12288:vxykgiEyf9c7MWYdDBYSv+FBkUQExkZ1DF+yNgeW/lWtFB4a:jEMc7MWiAu/J8Wma

Malware Config

Extracted

Family

formbook

Campaign

ermr

Decoy

ErOK6LFCgNIAlQmH54oaYOL/CN29Z78=

qNSdDhu/PT/1fgafDagiCSZH1SY=

wLpPOAkYS8EABl3pHGc4hNT/Q1sHBrU=

jSxRvptHkeTGl7PT0SEmaZmjqzanuA==

b91oL+2wCcpyhnd6yvF6Pg==

mr81yp1/qqZX

hy7Xsz/PU/LWHMcGL4UYJx9n3A==

KlwrHt1gouPaXaWhoQ==

ng8M320IRJL9Ptw=

8GQbOXuaWxvKnNM=

XndOL7E5sNpVUNty4d/a

rryPBBC8PybYb+2h2MF3FHGL

kEoeyERSVCYO0g==

5/P+SBDby5hO

1fYXc30/h9W7iO17

34X+YKR+wRFE

8ir/X2MlVByh5lQ1ow8=

u9ikm2UMZ7J7hpCYow==

FLI+c3clp1BNDjVAfvC2Dnw=

t21Erq8/r09wAzAJTAH3Ng==

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Vjw0rm

    Vjw0rm is a remote access trojan written in JavaScript.

  • Blocklisted process makes network request 5 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1264
    • C:\Windows\system32\wscript.exe
      wscript.exe "C:\Users\Admin\AppData\Local\Temp\MV TAYDO STAR-VESSEL PARTICULARS.js"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\System32\wscript.exe
        "C:\Windows\System32\wscript.exe" //B "C:\Users\Admin\AppData\Roaming\yTZPnpkRug.js"
        3⤵
        • Blocklisted process makes network request
        • Drops startup file
        PID:936
      • C:\Users\Admin\AppData\Roaming\bin (1).exe
        "C:\Users\Admin\AppData\Roaming\bin (1).exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1240
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\SysWOW64\netsh.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1304
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Roaming\bin (1).exe"
        3⤵
          PID:1680
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:1352
        • C:\Program Files (x86)\Xgbcpjfbp\vgaohl8x6.exe
          "C:\Program Files (x86)\Xgbcpjfbp\vgaohl8x6.exe"
          2⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1100

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\Xgbcpjfbp\vgaohl8x6.exe

        Filesize

        177KB

        MD5

        847f96edff4362a11a17a55a0f777394

        SHA1

        213b8bd653acaf9749af503b936fde0d9effdff4

        SHA256

        b7f9d8c856f2a427668235d49710a8ac3caa7bcaf5e317a064205127df431061

        SHA512

        6aed480e2aca2414e47d44e87ddce59da4809de9629c5fbc9c3e3bd1665a173efec1f13a3275d95ffcc63394b854caf9d2cd7e80af2868a08d0f8885b5470227

      • C:\Program Files (x86)\Xgbcpjfbp\vgaohl8x6.exe

        Filesize

        177KB

        MD5

        847f96edff4362a11a17a55a0f777394

        SHA1

        213b8bd653acaf9749af503b936fde0d9effdff4

        SHA256

        b7f9d8c856f2a427668235d49710a8ac3caa7bcaf5e317a064205127df431061

        SHA512

        6aed480e2aca2414e47d44e87ddce59da4809de9629c5fbc9c3e3bd1665a173efec1f13a3275d95ffcc63394b854caf9d2cd7e80af2868a08d0f8885b5470227

      • C:\Users\Admin\AppData\Roaming\bin (1).exe

        Filesize

        177KB

        MD5

        847f96edff4362a11a17a55a0f777394

        SHA1

        213b8bd653acaf9749af503b936fde0d9effdff4

        SHA256

        b7f9d8c856f2a427668235d49710a8ac3caa7bcaf5e317a064205127df431061

        SHA512

        6aed480e2aca2414e47d44e87ddce59da4809de9629c5fbc9c3e3bd1665a173efec1f13a3275d95ffcc63394b854caf9d2cd7e80af2868a08d0f8885b5470227

      • C:\Users\Admin\AppData\Roaming\bin (1).exe

        Filesize

        177KB

        MD5

        847f96edff4362a11a17a55a0f777394

        SHA1

        213b8bd653acaf9749af503b936fde0d9effdff4

        SHA256

        b7f9d8c856f2a427668235d49710a8ac3caa7bcaf5e317a064205127df431061

        SHA512

        6aed480e2aca2414e47d44e87ddce59da4809de9629c5fbc9c3e3bd1665a173efec1f13a3275d95ffcc63394b854caf9d2cd7e80af2868a08d0f8885b5470227

      • C:\Users\Admin\AppData\Roaming\yTZPnpkRug.js

        Filesize

        209KB

        MD5

        064f1a08c036eb1139a3b01dc9e7344d

        SHA1

        44f0ce52b38f668f281bd1fccda99ab30dd8f64e

        SHA256

        76322e9fbff15a55646f3c46d18f82d767200458af540c5cf5b9bad70e073601

        SHA512

        0da621f99e7d5eea18aaeb08248c431855151a1092678608662efe3289653436b3491d1f67159125a8ffaa9cad904a91e8962d6e00099ca5fe116b8ea08ba788

      • memory/1100-77-0x0000000000850000-0x0000000000B53000-memory.dmp

        Filesize

        3.0MB

      • memory/1204-54-0x000007FEFBA81000-0x000007FEFBA83000-memory.dmp

        Filesize

        8KB

      • memory/1240-60-0x00000000008A0000-0x0000000000BA3000-memory.dmp

        Filesize

        3.0MB

      • memory/1240-61-0x0000000000220000-0x0000000000231000-memory.dmp

        Filesize

        68KB

      • memory/1264-73-0x0000000006AB0000-0x0000000006B9E000-memory.dmp

        Filesize

        952KB

      • memory/1264-70-0x0000000006AB0000-0x0000000006B9E000-memory.dmp

        Filesize

        952KB

      • memory/1264-71-0x0000000006950000-0x0000000006AA3000-memory.dmp

        Filesize

        1.3MB

      • memory/1264-62-0x0000000006950000-0x0000000006AA3000-memory.dmp

        Filesize

        1.3MB

      • memory/1304-68-0x0000000000E00000-0x0000000001103000-memory.dmp

        Filesize

        3.0MB

      • memory/1304-69-0x0000000000440000-0x00000000004D0000-memory.dmp

        Filesize

        576KB

      • memory/1304-72-0x0000000000080000-0x00000000000AD000-memory.dmp

        Filesize

        180KB

      • memory/1304-67-0x0000000000080000-0x00000000000AD000-memory.dmp

        Filesize

        180KB

      • memory/1304-74-0x0000000076391000-0x0000000076393000-memory.dmp

        Filesize

        8KB

      • memory/1304-66-0x0000000001620000-0x000000000163B000-memory.dmp

        Filesize

        108KB