Analysis

  • max time kernel
    156s
  • max time network
    131s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    13-10-2021 10:01

General

  • Target

    OAa3nu595dA7afB.exe

  • Size

    553KB

  • MD5

    1823dce627d29f5d4985501267f7ad9f

  • SHA1

    1ce10042fccf2c8fcb2b0a93723f24b6c3b4ffb3

  • SHA256

    c14ba2023f89dc57df157690e40042b8b090906257c59b6e5834b2212cd3142e

  • SHA512

    88421fa99979a5ed7d55a2dccffbb96af3e72539e5dba61bf7860d2321a2f79deb5e9aae65e3fb9e5a17998a60d87abbbdc7b0dc495c991b4a3813a2ef8edb72

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

dn7r

C2

http://www.yourherogarden.net/dn7r/

Decoy

eventphotographerdfw.com

thehalalcoinstaking.com

philipfaziofineart.com

intercoh.com

gaiaseyephotography.com

chatbotforrealestate.com

lovelancemg.com

marlieskasberger.com

elcongoenespanol.info

lepirecredit.com

distribution-concept.com

e99game.com

exit11festival.com

twodollartoothbrushclub.com

cocktailsandlawn.com

performimprove.network

24horas-telefono-11840.com

cosmossify.com

kellenleote.com

perovskite.energy

Signatures

  • Formbook

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

  • suricata: ET MALWARE FormBook CnC Checkin (GET)

    suricata: ET MALWARE FormBook CnC Checkin (GET)

  • Formbook Payload 4 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
      "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4076
      • C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe
        "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4368
        • C:\Windows\SysWOW64\mstsc.exe
          "C:\Windows\SysWOW64\mstsc.exe"
          4⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4272
          • C:\Windows\SysWOW64\cmd.exe
            /c del "C:\Users\Admin\AppData\Local\Temp\OAa3nu595dA7afB.exe"
            5⤵
              PID:424

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/424-137-0x0000000000000000-mapping.dmp
    • memory/3028-129-0x0000000004E10000-0x0000000004F58000-memory.dmp
      Filesize

      1.3MB

    • memory/3028-139-0x00000000026B0000-0x00000000027AD000-memory.dmp
      Filesize

      1012KB

    • memory/3028-132-0x0000000004F60000-0x000000000510A000-memory.dmp
      Filesize

      1.7MB

    • memory/4076-121-0x0000000005240000-0x00000000052D2000-memory.dmp
      Filesize

      584KB

    • memory/4076-122-0x0000000007570000-0x0000000007571000-memory.dmp
      Filesize

      4KB

    • memory/4076-123-0x0000000007710000-0x0000000007786000-memory.dmp
      Filesize

      472KB

    • memory/4076-117-0x0000000005870000-0x0000000005871000-memory.dmp
      Filesize

      4KB

    • memory/4076-115-0x0000000000A30000-0x0000000000A31000-memory.dmp
      Filesize

      4KB

    • memory/4076-118-0x0000000005370000-0x0000000005371000-memory.dmp
      Filesize

      4KB

    • memory/4076-120-0x0000000005760000-0x0000000005765000-memory.dmp
      Filesize

      20KB

    • memory/4076-119-0x00000000052F0000-0x00000000052F1000-memory.dmp
      Filesize

      4KB

    • memory/4272-135-0x00000000030E0000-0x000000000310F000-memory.dmp
      Filesize

      188KB

    • memory/4272-138-0x0000000004A80000-0x0000000004B14000-memory.dmp
      Filesize

      592KB

    • memory/4272-136-0x0000000004690000-0x00000000049B0000-memory.dmp
      Filesize

      3.1MB

    • memory/4272-134-0x0000000000020000-0x000000000031C000-memory.dmp
      Filesize

      3.0MB

    • memory/4272-133-0x0000000000000000-mapping.dmp
    • memory/4368-125-0x000000000041F200-mapping.dmp
    • memory/4368-131-0x0000000002CD0000-0x0000000002CE5000-memory.dmp
      Filesize

      84KB

    • memory/4368-130-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB

    • memory/4368-128-0x0000000000ED0000-0x0000000000EE5000-memory.dmp
      Filesize

      84KB

    • memory/4368-126-0x0000000000EF0000-0x0000000001210000-memory.dmp
      Filesize

      3.1MB

    • memory/4368-124-0x0000000000400000-0x000000000042F000-memory.dmp
      Filesize

      188KB