Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    03-05-2021 08:20

General

  • Target

    muestras de productos pdf.exe

  • Size

    1.4MB

  • MD5

    6de2089faacef5b512c7abb442388e3c

  • SHA1

    5af74789c9fda2dd117a26ad59664e14d7bc64aa

  • SHA256

    bccb5a69386e34c4c94dfe0932180377c333d0d1f0a65b52eb64a0cdc1974556

  • SHA512

    0943521624cf61b883acfd6e2068b452b81bb5fe319e3aad2cf554c3e99cd865667f1918f025b609b97ce1baa97aa1ebb401bc80b77e41ee2b5055de09a5112d

Malware Config

Extracted

Family

formbook

Version

4.1

C2

http://www.joomlas123.info/n7ak/

Decoy

audereventur.com

huro14.com

wwwjinsha155.com

antiquevendor.com

samuraisoulfood.net

traffic4updates.download

hypersarv.com

rapport-happy-wedding.com

rokutechnosupport.online

allworljob.com

hanaleedossmann.com

kauai-marathon.com

bepbosch.com

kangen-international.com

zoneshopemenowz.com

belviderewrestling.com

ipllink.com

sellingforcreators.com

wwwswty6655.com

qtumboa.com

Signatures

  • Formbook

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

  • Formbook Payload 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 48 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Users\Admin\AppData\Local\Temp\muestras de productos pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\muestras de productos pdf.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3916
      • C:\Windows\SysWOW64\dialer.exe
        C:\Windows\System32\dialer.exe
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:2764
    • C:\Windows\SysWOW64\help.exe
      "C:\Windows\SysWOW64\help.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:3952
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\SysWOW64\dialer.exe"
        3⤵
          PID:3404
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:1160

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Persistence

      Registry Run Keys / Startup Folder

      1
      T1060

      Defense Evasion

      Modify Registry

      2
      T1112

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrf.ini
        MD5

        2f245469795b865bdd1b956c23d7893d

        SHA1

        6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

        SHA256

        1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

        SHA512

        909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

      • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologri.ini
        MD5

        d63a82e5d81e02e399090af26db0b9cb

        SHA1

        91d0014c8f54743bba141fd60c9d963f869d76c9

        SHA256

        eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

        SHA512

        38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

      • C:\Users\Admin\AppData\Roaming\94O2R65S\94Ologrv.ini
        MD5

        bbc41c78bae6c71e63cb544a6a284d94

        SHA1

        33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

        SHA256

        ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

        SHA512

        0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

      • memory/1160-132-0x0000000000000000-mapping.dmp
      • memory/1160-134-0x000001F12DE70000-0x000001F12DFAE000-memory.dmp
        Filesize

        1.2MB

      • memory/1160-133-0x00007FF7B63F0000-0x00007FF7B6483000-memory.dmp
        Filesize

        588KB

      • memory/2764-123-0x0000000000FB0000-0x0000000000FC4000-memory.dmp
        Filesize

        80KB

      • memory/2764-119-0x0000000000000000-mapping.dmp
      • memory/2764-121-0x0000000010410000-0x000000001043D000-memory.dmp
        Filesize

        180KB

      • memory/2764-120-0x0000000000980000-0x0000000000981000-memory.dmp
        Filesize

        4KB

      • memory/2764-122-0x0000000004B70000-0x0000000004E90000-memory.dmp
        Filesize

        3.1MB

      • memory/2824-124-0x0000000006DC0000-0x0000000006F08000-memory.dmp
        Filesize

        1.3MB

      • memory/2824-131-0x0000000005520000-0x00000000055FB000-memory.dmp
        Filesize

        876KB

      • memory/3404-126-0x0000000000000000-mapping.dmp
      • memory/3916-114-0x00000000005E0000-0x00000000005E1000-memory.dmp
        Filesize

        4KB

      • memory/3916-116-0x00000000021E0000-0x00000000021FA000-memory.dmp
        Filesize

        104KB

      • memory/3952-127-0x0000000000E40000-0x0000000000E47000-memory.dmp
        Filesize

        28KB

      • memory/3952-130-0x0000000000B60000-0x0000000000BF3000-memory.dmp
        Filesize

        588KB

      • memory/3952-129-0x0000000002E50000-0x0000000003170000-memory.dmp
        Filesize

        3.1MB

      • memory/3952-128-0x0000000000380000-0x00000000003AD000-memory.dmp
        Filesize

        180KB

      • memory/3952-125-0x0000000000000000-mapping.dmp