Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-09-2023 15:48

General

  • Target

    36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f_JC.exe

  • Size

    1.1MB

  • MD5

    b10d83ecfd730b5f98a21efac49c00bd

  • SHA1

    9db5aef9870fd0aebc796a2107871b0de6af9716

  • SHA256

    36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f

  • SHA512

    0ef0ad1d182fc254a96c6c71792fb6b0083963151770d6e3f9bdc156bb16111ce51d5bfd4a36c187732c3d08b5267ebd934d49c5273cb66a26c1728cd41928e6

  • SSDEEP

    24576:MbrDmg606ige8Nl24myHD6GfZX8H5tav:0tqw

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

n7ak

Decoy

wise-transfer.info

jam-nins.com

thebestsocialcrm.com

majomeow222.com

ancientshadowguilt.space

gentleman-china.com

parquemermoz.store

taxuw.com

sharqiyapaints.com

libraryofkath.com

1949wan.com

synqr.net

bitchessgirls.com

btonu.cfd

coding-bootcamps-16314.com

leadership22-tdh.site

maximsboutique.com

irishsummertruffles.com

sdnaqianchuan.com

uyews.xyz

Signatures

  • Formbook

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

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • Formbook payload 4 IoCs
  • ModiLoader Second Stage 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Script User-Agent 2 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 54 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:3156
    • C:\Users\Admin\AppData\Local\Temp\36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\36ea5e98f9aa4987174b4edb33c937f9091f1e06fd370f7f8e66da700700539f_JC.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3844
      • C:\Windows\SysWOW64\colorcpl.exe
        C:\Windows\System32\colorcpl.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1060
    • C:\Windows\SysWOW64\autoconv.exe
      "C:\Windows\SysWOW64\autoconv.exe"
      2⤵
        PID:3280
      • C:\Windows\SysWOW64\cmmon32.exe
        "C:\Windows\SysWOW64\cmmon32.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Modifies Internet Explorer settings
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2004
        • C:\Windows\SysWOW64\cmd.exe
          /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
          3⤵
            PID:4076
          • C:\Program Files\Mozilla Firefox\Firefox.exe
            "C:\Program Files\Mozilla Firefox\Firefox.exe"
            3⤵
              PID:1924

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\DB1

          Filesize

          46KB

          MD5

          02d2c46697e3714e49f46b680b9a6b83

          SHA1

          84f98b56d49f01e9b6b76a4e21accf64fd319140

          SHA256

          522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

          SHA512

          60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

        • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologim.jpeg

          Filesize

          79KB

          MD5

          8a83bf196e6ab033a72df38ff26467e7

          SHA1

          7566ee313453239f757da11ff873c98c450fef79

          SHA256

          eed8ea6e5eb8b92c27e7515ab02ba3bfeeb937bd7e1cd71204008619fe212a86

          SHA512

          4779f01f3f319206111fe4943e7d4ffc3b38a043d3467eecd969022ddb72b40ad79ba02db1dda33acf4752772f1e3ae3196b4c3d7064d3ca6c5f08971f2ee6b5

        • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini

          Filesize

          40B

          MD5

          2f245469795b865bdd1b956c23d7893d

          SHA1

          6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

          SHA256

          1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

          SHA512

          909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

        • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrg.ini

          Filesize

          38B

          MD5

          4aadf49fed30e4c9b3fe4a3dd6445ebe

          SHA1

          1e332822167c6f351b99615eada2c30a538ff037

          SHA256

          75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

          SHA512

          eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

        • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini

          Filesize

          40B

          MD5

          d63a82e5d81e02e399090af26db0b9cb

          SHA1

          91d0014c8f54743bba141fd60c9d963f869d76c9

          SHA256

          eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

          SHA512

          38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

        • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini

          Filesize

          872B

          MD5

          bbc41c78bae6c71e63cb544a6a284d94

          SHA1

          33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

          SHA256

          ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

          SHA512

          0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

        • memory/1060-8-0x0000000004DD0000-0x0000000005DD0000-memory.dmp

          Filesize

          16.0MB

        • memory/1060-10-0x0000000016F90000-0x00000000172DA000-memory.dmp

          Filesize

          3.3MB

        • memory/1060-12-0x0000000004DD0000-0x0000000005DD0000-memory.dmp

          Filesize

          16.0MB

        • memory/1060-13-0x0000000016F30000-0x0000000016F44000-memory.dmp

          Filesize

          80KB

        • memory/2004-18-0x00000000010D0000-0x00000000010FF000-memory.dmp

          Filesize

          188KB

        • memory/2004-36-0x0000000002DE0000-0x0000000002E73000-memory.dmp

          Filesize

          588KB

        • memory/2004-17-0x0000000000DC0000-0x0000000000DCC000-memory.dmp

          Filesize

          48KB

        • memory/2004-19-0x00000000030D0000-0x000000000341A000-memory.dmp

          Filesize

          3.3MB

        • memory/2004-20-0x00000000010D0000-0x00000000010FF000-memory.dmp

          Filesize

          188KB

        • memory/2004-16-0x0000000000DC0000-0x0000000000DCC000-memory.dmp

          Filesize

          48KB

        • memory/3156-37-0x0000000008650000-0x0000000008704000-memory.dmp

          Filesize

          720KB

        • memory/3156-38-0x0000000008650000-0x0000000008704000-memory.dmp

          Filesize

          720KB

        • memory/3156-41-0x0000000008650000-0x0000000008704000-memory.dmp

          Filesize

          720KB

        • memory/3156-14-0x0000000003090000-0x00000000031F4000-memory.dmp

          Filesize

          1.4MB

        • memory/3844-0-0x0000000002330000-0x0000000002331000-memory.dmp

          Filesize

          4KB

        • memory/3844-5-0x0000000002330000-0x0000000002331000-memory.dmp

          Filesize

          4KB

        • memory/3844-4-0x0000000000400000-0x000000000051E000-memory.dmp

          Filesize

          1.1MB

        • memory/3844-2-0x00000000028D0000-0x00000000038D0000-memory.dmp

          Filesize

          16.0MB

        • memory/3844-1-0x00000000028D0000-0x00000000038D0000-memory.dmp

          Filesize

          16.0MB