Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-12-2022 13:03

General

  • Target

    Outstanding SOA.exe

  • Size

    272KB

  • MD5

    110f69d363cea079d6d0bdeff1bb838f

  • SHA1

    324be5674ea782a4eaf68b51b87fc61b0f894044

  • SHA256

    bdee6d7a7e7cc141bdb3fc0997cbb07b1a85016e23fd74eec044a5ca52ae5052

  • SHA512

    c035d86afbd3b548cd6bf08a57838db4735f090fcbb34555179a52ea9b1c377490a8e550a42b5bbcf0d47e0560af9bde920fb16849c16e9add9adaf4beb9baec

  • SSDEEP

    6144:9kw24wUoB7N3lbNKRmqdtK1jdACBqE5ObP8l5i:S4wU6N3xZq/2pAiqE5OkQ

Malware Config

Extracted

Family

formbook

Campaign

scse

Decoy

SKpYFyVNT2zunKf0uuM=

FlEHUseI7I5XbrO8fR/XBcS9ZA==

FPuxoUOxkLiATugw

VKdxsDSk0jdT5Kw=

FpqHf9iI/1tl97E=

YGI6sIl3UIxfZvlD+JiUuuLR

oBAEO0suBEAD5aK00A==

RKJqTzg4gQ/Q6DYSuTjDGkwuyl0ik5Kb8w==

VFg9s3W0/Ype8A3cZb+D7g==

hwD+VNd6014nrsaTWm4FBcS9ZA==

zkAdUq1soKYUfZaTqLmL

XVQ9WbRivUIQ477a/hKv+g==

QireF2geizAwmp674AGc5g==

PSTUQxs6j8OATugw

LHJhyy2VbX8NEqf0uuM=

MiY1vg6T3HqATugw

wqkUjaVXnGgBqA==

jUr/eUtSIT01Wegt

PjQidcqKzAbSZICUZb+D7g==

OkAmcv12sUEAIHwFHakzdIo2FPHw

Signatures

  • Formbook

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

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 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 62 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 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 WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\Outstanding SOA.exe
      "C:\Users\Admin\AppData\Local\Temp\Outstanding SOA.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1444
      • C:\Users\Admin\AppData\Local\Temp\pnrhtyb.exe
        "C:\Users\Admin\AppData\Local\Temp\pnrhtyb.exe" C:\Users\Admin\AppData\Local\Temp\pnuhuhyrkcu.s
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3036
        • C:\Users\Admin\AppData\Local\Temp\pnrhtyb.exe
          "C:\Users\Admin\AppData\Local\Temp\pnrhtyb.exe"
          4⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4768
    • C:\Windows\SysWOW64\autochk.exe
      "C:\Windows\SysWOW64\autochk.exe"
      2⤵
        PID:4324
      • C:\Windows\SysWOW64\autochk.exe
        "C:\Windows\SysWOW64\autochk.exe"
        2⤵
          PID:4648
        • C:\Windows\SysWOW64\autochk.exe
          "C:\Windows\SysWOW64\autochk.exe"
          2⤵
            PID:1676
          • C:\Windows\SysWOW64\autochk.exe
            "C:\Windows\SysWOW64\autochk.exe"
            2⤵
              PID:1516
            • C:\Windows\SysWOW64\WWAHost.exe
              "C:\Windows\SysWOW64\WWAHost.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:552
              • C:\Program Files\Mozilla Firefox\Firefox.exe
                "C:\Program Files\Mozilla Firefox\Firefox.exe"
                3⤵
                  PID:1500

            Network

            MITRE ATT&CK Enterprise v6

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\pnrhtyb.exe
              Filesize

              141KB

              MD5

              e6366cf29bc69431f338125292bf75d5

              SHA1

              4f5fac42967462b478a82b03ddf2788e666502eb

              SHA256

              b5a0d29be1de9fad206d74df477d616b3772ab66d28b238e9b3b1af49a6bb5a9

              SHA512

              9f0555e4f2b41a95039d5611d72084d92c79e97b41492155de4c14163aa9fdcacccbe802470efe68711d890ae255dfd70f4f47a8c6bc464a57add894f7c3ac24

            • C:\Users\Admin\AppData\Local\Temp\pnrhtyb.exe
              Filesize

              141KB

              MD5

              e6366cf29bc69431f338125292bf75d5

              SHA1

              4f5fac42967462b478a82b03ddf2788e666502eb

              SHA256

              b5a0d29be1de9fad206d74df477d616b3772ab66d28b238e9b3b1af49a6bb5a9

              SHA512

              9f0555e4f2b41a95039d5611d72084d92c79e97b41492155de4c14163aa9fdcacccbe802470efe68711d890ae255dfd70f4f47a8c6bc464a57add894f7c3ac24

            • C:\Users\Admin\AppData\Local\Temp\pnrhtyb.exe
              Filesize

              141KB

              MD5

              e6366cf29bc69431f338125292bf75d5

              SHA1

              4f5fac42967462b478a82b03ddf2788e666502eb

              SHA256

              b5a0d29be1de9fad206d74df477d616b3772ab66d28b238e9b3b1af49a6bb5a9

              SHA512

              9f0555e4f2b41a95039d5611d72084d92c79e97b41492155de4c14163aa9fdcacccbe802470efe68711d890ae255dfd70f4f47a8c6bc464a57add894f7c3ac24

            • C:\Users\Admin\AppData\Local\Temp\pnuhuhyrkcu.s
              Filesize

              7KB

              MD5

              2a81348d4e1afe228867ea7f9e3c5c1a

              SHA1

              fe9c9129d36c6492afe7088855d50f6aa209496d

              SHA256

              e9499c9d2eae7d655a93ced0da9b30156f63de4d094ffc5fa06067fb5355aacc

              SHA512

              8bd4e5efcd86b175fc8300c87ed06b0304ed909bbca2d133ec5452a4a310b4d57b9cf2f560670a7dfdd7d8349335e41e29cfb7afda0b1ff8a514b3d73b4c8148

            • C:\Users\Admin\AppData\Local\Temp\rtlhwzub.z
              Filesize

              184KB

              MD5

              fcb71430f99c4abc15f26c4a672dc9ac

              SHA1

              351dff9775946672145e07f2a3e12ca4e797dd01

              SHA256

              9131243092bf48835bf0760c4a1c85b2acf53136e82cdeb0339b18cb4febde17

              SHA512

              35045726a0c11009eb3b5d65ff62fc29c6fd835287ee2e31f38f2d6f24b144f4f66bd0b4f20946e486f057382d2dac0ae8f647e52eac135a43fc24467b6c92ae

            • memory/552-144-0x0000000000000000-mapping.dmp
            • memory/552-151-0x0000000000610000-0x000000000063D000-memory.dmp
              Filesize

              180KB

            • memory/552-149-0x0000000001200000-0x000000000128F000-memory.dmp
              Filesize

              572KB

            • memory/552-147-0x00000000014A0000-0x00000000017EA000-memory.dmp
              Filesize

              3.3MB

            • memory/552-146-0x0000000000610000-0x000000000063D000-memory.dmp
              Filesize

              180KB

            • memory/552-145-0x0000000000680000-0x000000000075C000-memory.dmp
              Filesize

              880KB

            • memory/2756-164-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-170-0x0000000003460000-0x0000000003470000-memory.dmp
              Filesize

              64KB

            • memory/2756-143-0x0000000002F30000-0x0000000003004000-memory.dmp
              Filesize

              848KB

            • memory/2756-198-0x00000000011B0000-0x00000000011C0000-memory.dmp
              Filesize

              64KB

            • memory/2756-197-0x0000000000E30000-0x0000000000E40000-memory.dmp
              Filesize

              64KB

            • memory/2756-148-0x0000000002F30000-0x0000000003004000-memory.dmp
              Filesize

              848KB

            • memory/2756-196-0x00000000011B0000-0x00000000011C0000-memory.dmp
              Filesize

              64KB

            • memory/2756-150-0x0000000003320000-0x000000000345A000-memory.dmp
              Filesize

              1.2MB

            • memory/2756-195-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-152-0x0000000003320000-0x000000000345A000-memory.dmp
              Filesize

              1.2MB

            • memory/2756-153-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-154-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-155-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-156-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-157-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-158-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-159-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-160-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-161-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-162-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-163-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-194-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-165-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-166-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-167-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-168-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-169-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-193-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-171-0x0000000003480000-0x0000000003490000-memory.dmp
              Filesize

              64KB

            • memory/2756-172-0x0000000003480000-0x0000000003490000-memory.dmp
              Filesize

              64KB

            • memory/2756-173-0x0000000003480000-0x0000000003490000-memory.dmp
              Filesize

              64KB

            • memory/2756-174-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-175-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-176-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-177-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-178-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-179-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-181-0x0000000000E30000-0x0000000000E40000-memory.dmp
              Filesize

              64KB

            • memory/2756-180-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-182-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-184-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-185-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-186-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-187-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-188-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-189-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-190-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-191-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/2756-192-0x0000000003120000-0x0000000003130000-memory.dmp
              Filesize

              64KB

            • memory/3036-132-0x0000000000000000-mapping.dmp
            • memory/4768-142-0x00000000004E0000-0x00000000004F0000-memory.dmp
              Filesize

              64KB

            • memory/4768-137-0x0000000000000000-mapping.dmp
            • memory/4768-139-0x0000000000400000-0x000000000042E000-memory.dmp
              Filesize

              184KB

            • memory/4768-141-0x0000000000A30000-0x0000000000D7A000-memory.dmp
              Filesize

              3.3MB

            • memory/4768-140-0x0000000000400000-0x000000000042E000-memory.dmp
              Filesize

              184KB