Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 01:24

General

  • Target

    d281b712bf3960b42fc0e9d0997fbbc545f1113f1097dc87b91712bb5ecd4df5.exe

  • Size

    730KB

  • MD5

    4453dca26766035d9432ecee51eef94c

  • SHA1

    af7c6e9ab2aecb58faf64fec05ab45f239dcbea3

  • SHA256

    d281b712bf3960b42fc0e9d0997fbbc545f1113f1097dc87b91712bb5ecd4df5

  • SHA512

    de8524b419b23e6971abda6a0d172930a0264374e05a207ed450c26bb0537c01958b349de7fd37ea7a475f1cdca15a95fea458f7d80c4e063992c4bfd17ad9bc

  • SSDEEP

    12288:hbdGxhDy6BPUtdOIpuurJSs0XsVc2ZiM5Re+CkDSqDbX0e/fYq6jwQhz:hbduNW/OmuOcs08h1vnCkDdbB/Qqm

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

h209

Decoy

sbtstuff.site

omlyes.com

movershifting.com

gearballer.com

oketoto.pro

myringleader.com

lrcjc750s.xyz

ata2024.xyz

password-manager-89409.bond

aiassistanthub.net

changvolt.cfd

netino.site

wear-wale.com

omnipresenceagency.com

huangguan.ooo

propersonnelmedia.com

9332952.com

k3s.support

ciytrw.xyz

cb095.pro

Signatures

  • Formbook

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

  • Formbook payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d281b712bf3960b42fc0e9d0997fbbc545f1113f1097dc87b91712bb5ecd4df5.exe
    "C:\Users\Admin\AppData\Local\Temp\d281b712bf3960b42fc0e9d0997fbbc545f1113f1097dc87b91712bb5ecd4df5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2696
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jjcTSPCwf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4832
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jjcTSPCwf" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC9D8.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3924
    • C:\Users\Admin\AppData\Local\Temp\d281b712bf3960b42fc0e9d0997fbbc545f1113f1097dc87b91712bb5ecd4df5.exe
      "C:\Users\Admin\AppData\Local\Temp\d281b712bf3960b42fc0e9d0997fbbc545f1113f1097dc87b91712bb5ecd4df5.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:3444

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1ht33lvz.e21.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpC9D8.tmp

    Filesize

    1KB

    MD5

    66ca34c314b165db83dae23fef11b5b9

    SHA1

    fb2a855ec47d52eb9c8140b95c6a1726dab634df

    SHA256

    ae8a9b70e9be33d013c0c55e6b2ca0874f5c73e9f7cdde711485c19714ad1ee8

    SHA512

    66a67114cc8218f99b80c36ebc304fb32082b61ac5319256d708d22fff570bdaea9dc413fa00197cded722f25d985ec20961d462e0caf3b05daff0fad7603b9f

  • memory/2696-8-0x00000000056B0000-0x00000000056CA000-memory.dmp

    Filesize

    104KB

  • memory/2696-9-0x00000000064A0000-0x00000000064AE000-memory.dmp

    Filesize

    56KB

  • memory/2696-4-0x00000000051A0000-0x00000000051AA000-memory.dmp

    Filesize

    40KB

  • memory/2696-5-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2696-6-0x0000000005480000-0x000000000551C000-memory.dmp

    Filesize

    624KB

  • memory/2696-7-0x00000000068F0000-0x000000000698A000-memory.dmp

    Filesize

    616KB

  • memory/2696-2-0x00000000056D0000-0x0000000005C74000-memory.dmp

    Filesize

    5.6MB

  • memory/2696-3-0x00000000051C0000-0x0000000005252000-memory.dmp

    Filesize

    584KB

  • memory/2696-10-0x00000000064B0000-0x00000000064C6000-memory.dmp

    Filesize

    88KB

  • memory/2696-11-0x0000000004B10000-0x0000000004B86000-memory.dmp

    Filesize

    472KB

  • memory/2696-38-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/2696-1-0x00000000006F0000-0x00000000007AC000-memory.dmp

    Filesize

    752KB

  • memory/2696-0-0x000000007464E000-0x000000007464F000-memory.dmp

    Filesize

    4KB

  • memory/3444-37-0x0000000000FB0000-0x00000000012FA000-memory.dmp

    Filesize

    3.3MB

  • memory/3444-23-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/4832-24-0x0000000005B60000-0x0000000005BC6000-memory.dmp

    Filesize

    408KB

  • memory/4832-43-0x0000000074ED0000-0x0000000074F1C000-memory.dmp

    Filesize

    304KB

  • memory/4832-25-0x0000000005C40000-0x0000000005CA6000-memory.dmp

    Filesize

    408KB

  • memory/4832-18-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-21-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-19-0x0000000005350000-0x0000000005978000-memory.dmp

    Filesize

    6.2MB

  • memory/4832-20-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-16-0x0000000004C90000-0x0000000004CC6000-memory.dmp

    Filesize

    216KB

  • memory/4832-36-0x0000000005CB0000-0x0000000006004000-memory.dmp

    Filesize

    3.3MB

  • memory/4832-39-0x0000000006250000-0x000000000626E000-memory.dmp

    Filesize

    120KB

  • memory/4832-40-0x0000000006790000-0x00000000067DC000-memory.dmp

    Filesize

    304KB

  • memory/4832-41-0x00000000003D0000-0x000000000043D000-memory.dmp

    Filesize

    436KB

  • memory/4832-42-0x0000000006840000-0x0000000006872000-memory.dmp

    Filesize

    200KB

  • memory/4832-22-0x0000000005AC0000-0x0000000005AE2000-memory.dmp

    Filesize

    136KB

  • memory/4832-53-0x0000000007440000-0x000000000745E000-memory.dmp

    Filesize

    120KB

  • memory/4832-54-0x0000000007460000-0x0000000007503000-memory.dmp

    Filesize

    652KB

  • memory/4832-55-0x0000000007BD0000-0x000000000824A000-memory.dmp

    Filesize

    6.5MB

  • memory/4832-56-0x0000000007580000-0x000000000759A000-memory.dmp

    Filesize

    104KB

  • memory/4832-57-0x0000000007600000-0x000000000760A000-memory.dmp

    Filesize

    40KB

  • memory/4832-58-0x0000000007800000-0x0000000007896000-memory.dmp

    Filesize

    600KB

  • memory/4832-59-0x0000000007780000-0x0000000007791000-memory.dmp

    Filesize

    68KB

  • memory/4832-60-0x00000000077B0000-0x00000000077BE000-memory.dmp

    Filesize

    56KB

  • memory/4832-61-0x00000000077C0000-0x00000000077D4000-memory.dmp

    Filesize

    80KB

  • memory/4832-62-0x00000000078C0000-0x00000000078DA000-memory.dmp

    Filesize

    104KB

  • memory/4832-63-0x00000000078A0000-0x00000000078A8000-memory.dmp

    Filesize

    32KB

  • memory/4832-66-0x0000000074640000-0x0000000074DF0000-memory.dmp

    Filesize

    7.7MB

  • memory/4832-67-0x00000000003D0000-0x000000000043D000-memory.dmp

    Filesize

    436KB