Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2023, 15:45

General

  • Target

    tmp.exe

  • Size

    185KB

  • MD5

    e46b46bfc5aa1d925bb65320823fee8b

  • SHA1

    506e325008fe464a5b17971d13aad348cc1e0bf4

  • SHA256

    f5c4d1a411acaf23f8799d9e97d29010bdd0c38915aad1ed556cb26359994b4c

  • SHA512

    f536e8d89b8a404c3b602228900580b858d1918aef0d0ec8e93af287d40092a42de2fe5743721034512133ac9f0f79e7e74c1f16aaa81a23ccf898514823b1a0

  • SSDEEP

    3072:536wm/kM2mHsaCbi3zb0LF4B6aPa9+WBYJRK5K4Gkuj24kkUFZIP6Qkqgh9l:rmeLUzwLWYaPa9+WEKrvtHJjl

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

ro12

Decoy

start399.com

decyfincoin.com

binguozhijiaok.com

one45.vip

55dy5s.top

regmt.pro

2ahxgaafifl.com

xn--6rtp2flvfc2h.com

justinmburns.com

los3.online

fleshaaikensdivinegiven7llc.com

servicedelv.services

apexcaryhomesforsale.com

shuraop.xyz

sagetotal.com

gratitude-et-compagnie.com

riderarea.com

digitalserviceact.online

contentbyc.com

agenda-digital-planner.com

Signatures

  • Formbook

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

  • Formbook payload 3 IoCs
  • Deletes itself 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 31 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      PID:2288
    • C:\Windows\SysWOW64\wlanext.exe
      "C:\Windows\SysWOW64\wlanext.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
        3⤵
        • Deletes itself
        PID:2812

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1276-10-0x0000000006730000-0x00000000067E4000-memory.dmp

          Filesize

          720KB

        • memory/1276-16-0x0000000006A30000-0x0000000006BA9000-memory.dmp

          Filesize

          1.5MB

        • memory/1276-4-0x0000000006730000-0x00000000067E4000-memory.dmp

          Filesize

          720KB

        • memory/1276-14-0x0000000006A30000-0x0000000006BA9000-memory.dmp

          Filesize

          1.5MB

        • memory/1276-13-0x0000000006A30000-0x0000000006BA9000-memory.dmp

          Filesize

          1.5MB

        • memory/2288-3-0x0000000000200000-0x0000000000214000-memory.dmp

          Filesize

          80KB

        • memory/2288-0-0x00000000008F0000-0x0000000000BF3000-memory.dmp

          Filesize

          3.0MB

        • memory/2288-1-0x0000000000DD0000-0x0000000000DFF000-memory.dmp

          Filesize

          188KB

        • memory/2636-7-0x00000000000C0000-0x00000000000EF000-memory.dmp

          Filesize

          188KB

        • memory/2636-8-0x0000000002070000-0x0000000002373000-memory.dmp

          Filesize

          3.0MB

        • memory/2636-9-0x00000000000C0000-0x00000000000EF000-memory.dmp

          Filesize

          188KB

        • memory/2636-6-0x0000000000C50000-0x0000000000C66000-memory.dmp

          Filesize

          88KB

        • memory/2636-11-0x0000000000810000-0x00000000008A3000-memory.dmp

          Filesize

          588KB

        • memory/2636-5-0x0000000000C50000-0x0000000000C66000-memory.dmp

          Filesize

          88KB