Analysis

  • max time kernel
    190s
  • max time network
    190s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    28-11-2022 13:53

General

  • Target

    file.exe

  • Size

    260KB

  • MD5

    31319144a917439aa8e961cce95f82ee

  • SHA1

    eaea6b758bdba74243099d60e8dd65dcbb524351

  • SHA256

    b4455821387f7c5571cf3aa28abde41c188593a4cb5f59d0f1e9c368db49348b

  • SHA512

    0d28854203e99f9d35fbbb920a23d9829cfad3a2583d42c77515709963c347282737b7ac545673a3b7951c4e44e4c4c37209780ef9a498eeca1ac81948dccf62

  • SSDEEP

    6144:DN92Cag76LSVVz83bwo0SEkRMUEU4zRkaYKGfb:DNQg76LSV4Hf72XU4zRyKGfb

Malware Config

Extracted

Family

formbook

Campaign

tu7g

Decoy

fbbktzFKN8MB1h8=

FPidEXGfkl0WqgXoVhHehw==

iHEjIL7XwJdpN6Er4Evhu03o

fHQTMsjqD3cPpQ==

VDXmCsr22oYhshz/Fg305nF21Q==

j4ZHfk5rRf6tVtwbMRU=

AORqAXKWy4R+//VwFdB6VVk=

9PW0Yw9RkIfer5+/bum7nlxwy1QfDQ==

ZU8mUjRgSOn3d0eFD3puQgVpnaAj

nlHgT2aJaMMB1h8=

+qc6XcgwdjVsEgKQ2zT+

/gCHJbBZrWjx1OZN40Hhu03o

48dX+WeLWAjFZMR2lItP8bJ87X4=

+N6H9VVzix7uogI=

Jf/NAPQe+8we7uftVhHehw==

YmANk8T+ix7uogI=

GTKxpLAYsJTl

pT8FM/QacYAV/+VInxn0

8JAnF9PnyZA29xH3Iw==

8ZdFPhCvGxYBxRCTqtB6VVk=

Signatures

  • Formbook

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 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 19 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 SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1272
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1360
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:1340
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Gathers network information
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:568
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:1960

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\sqlite3.dll

      Filesize

      1.1MB

      MD5

      f55e5766477de5997da50f12c9c74c91

      SHA1

      4dc98900a887be95411f07b9e597c57bdc7dbab3

      SHA256

      90be88984ee60864256378c952d44b13d55ac032ab6a7b8c698885176bcece69

      SHA512

      983417a297e68b58fbd1c07fed7a1697d249110a2c10644b2dc96e3facedd3fbfbcac6a7809631ffd62894f02cadd4d3e62022b9e5e026e5bf434f1eb1878f05

    • memory/568-69-0x0000000000000000-mapping.dmp

    • memory/568-77-0x0000000075091000-0x0000000075093000-memory.dmp

      Filesize

      8KB

    • memory/568-76-0x0000000000080000-0x00000000000AD000-memory.dmp

      Filesize

      180KB

    • memory/568-73-0x0000000000560000-0x00000000005EF000-memory.dmp

      Filesize

      572KB

    • memory/568-72-0x0000000002250000-0x0000000002553000-memory.dmp

      Filesize

      3.0MB

    • memory/568-71-0x0000000000080000-0x00000000000AD000-memory.dmp

      Filesize

      180KB

    • memory/568-70-0x0000000000350000-0x0000000000359000-memory.dmp

      Filesize

      36KB

    • memory/1272-74-0x0000000003CA0000-0x0000000003D4E000-memory.dmp

      Filesize

      696KB

    • memory/1272-68-0x0000000004A80000-0x0000000004BF7000-memory.dmp

      Filesize

      1.5MB

    • memory/1272-78-0x0000000003CA0000-0x0000000003D4E000-memory.dmp

      Filesize

      696KB

    • memory/1272-75-0x0000000004A80000-0x0000000004BF7000-memory.dmp

      Filesize

      1.5MB

    • memory/1340-61-0x00000000004012B0-mapping.dmp

    • memory/1340-64-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1340-63-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1340-65-0x0000000000401000-0x000000000042F000-memory.dmp

      Filesize

      184KB

    • memory/1340-60-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1340-58-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1340-66-0x00000000008D0000-0x0000000000BD3000-memory.dmp

      Filesize

      3.0MB

    • memory/1340-57-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/1340-67-0x0000000000140000-0x0000000000150000-memory.dmp

      Filesize

      64KB

    • memory/1360-54-0x000000013F380000-0x000000013F3C4000-memory.dmp

      Filesize

      272KB

    • memory/1360-56-0x00000000006E0000-0x00000000006EA000-memory.dmp

      Filesize

      40KB

    • memory/1360-55-0x0000000000650000-0x0000000000656000-memory.dmp

      Filesize

      24KB