Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

240806-p9f97szdlm 10

06-08-2024 12:52

240806-p3672stdkg 10

06-08-2024 12:29

240806-ppa8fsygqr 10

06-08-2024 12:26

240806-pmc92ashlh 10

Analysis

  • max time kernel
    59s
  • max time network
    60s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-08-2024 12:52

General

  • Target

    1/d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe

  • Size

    691KB

  • MD5

    c2ae4fdb661a151be4876289ed7f8261

  • SHA1

    f8fbb8b8ddb55aacc20449ff2bd5d671e4cbb9fa

  • SHA256

    d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0

  • SHA512

    2642eac12e6a42fbd503621871802da278e0c68a4678675ddbe71f66d7a2b7d0ed8a22640c13d153ea63bcb33f7f13ae32eaa3e444fc451c64a1839d8cc91c89

  • SSDEEP

    12288:luCDWx2PQfnESfZ0nl+xD4u1JW31MlxwXY5oMY3tQMmVHMe3+L4Ull0l8fkR:/awMnESR0nl+Z9OSXwXuoaVse3+sCie6

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

45er

Decoy

depotpulsa.com

k2bilbao.online

bb4uoficial.com

rwc666.club

us-pservice.cyou

tricegottreats.com

zsystems.pro

qudouyin6.com

sfumaturedamore.net

pcetyy.icu

notbokin.online

beqprod.tech

flipbuilding.com

errormitigationzoo.com

zj5u603.xyz

jezzatravel.com

zmdniavysyi.shop

quinnsteele.com

522334.com

outdoorshopping.net

Signatures

  • Formbook

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

  • Formbook payload 4 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.

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • 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 26 IoCs
  • Suspicious behavior: MapViewOfSection 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\AppData\Local\Temp\1\d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe
      "C:\Users\Admin\AppData\Local\Temp\1\d58780d1d574bfe77c6f9cfad1cf4b51522231b2699081befd5bbd15f7309aa0.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:440
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\sXqUfHySpG.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3032
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sXqUfHySpG" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCA16.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:492
      • 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:1824
    • C:\Windows\SysWOW64\NETSTAT.EXE
      "C:\Windows\SysWOW64\NETSTAT.EXE"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Gathers network information
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4652
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ctgb42jr.ihv.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpCA16.tmp

    Filesize

    1KB

    MD5

    a261d1513ce59819b5702146e3769b7e

    SHA1

    1db23b970b894d67a481f451b3f9871bc353bad2

    SHA256

    239b2f0e75baa2c1da5b8bc258ddd3e1885c035d3e75eb04da8fe480560796c2

    SHA512

    85c39251f37f2f84defef713db1f45f4aad530a6dc7a49e95d7627df9c7319fa70b6fdf0a97811b7e2a69af3072e7d7faf0ce8dc6260cc8061a651c45f788ca2

  • memory/440-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp

    Filesize

    4KB

  • memory/440-1-0x00000000008D0000-0x000000000097E000-memory.dmp

    Filesize

    696KB

  • memory/440-2-0x0000000005910000-0x0000000005EB6000-memory.dmp

    Filesize

    5.6MB

  • memory/440-3-0x0000000005360000-0x00000000053F2000-memory.dmp

    Filesize

    584KB

  • memory/440-4-0x00000000052E0000-0x00000000052EA000-memory.dmp

    Filesize

    40KB

  • memory/440-5-0x0000000074D30000-0x00000000754E1000-memory.dmp

    Filesize

    7.7MB

  • memory/440-6-0x0000000005EC0000-0x0000000006217000-memory.dmp

    Filesize

    3.3MB

  • memory/440-8-0x0000000006A20000-0x0000000006A42000-memory.dmp

    Filesize

    136KB

  • memory/440-7-0x00000000058B0000-0x00000000058C2000-memory.dmp

    Filesize

    72KB

  • memory/440-9-0x00000000058F0000-0x000000000590A000-memory.dmp

    Filesize

    104KB

  • memory/440-10-0x0000000006BD0000-0x0000000006BDE000-memory.dmp

    Filesize

    56KB

  • memory/440-11-0x0000000006BF0000-0x0000000006C66000-memory.dmp

    Filesize

    472KB

  • memory/440-12-0x0000000009540000-0x00000000095DC000-memory.dmp

    Filesize

    624KB

  • memory/440-27-0x0000000074D30000-0x00000000754E1000-memory.dmp

    Filesize

    7.7MB

  • memory/1824-22-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1824-28-0x0000000001A80000-0x0000000001DD6000-memory.dmp

    Filesize

    3.3MB

  • memory/1824-70-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1824-38-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/1824-39-0x00000000015E0000-0x00000000015F4000-memory.dmp

    Filesize

    80KB

  • memory/3032-23-0x0000000074D30000-0x00000000754E1000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-57-0x0000000007E20000-0x000000000849A000-memory.dmp

    Filesize

    6.5MB

  • memory/3032-25-0x0000000005680000-0x00000000056E6000-memory.dmp

    Filesize

    408KB

  • memory/3032-21-0x0000000074D30000-0x00000000754E1000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-17-0x0000000002CC0000-0x0000000002CF6000-memory.dmp

    Filesize

    216KB

  • memory/3032-20-0x0000000074D30000-0x00000000754E1000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-18-0x0000000005740000-0x0000000005D6A000-memory.dmp

    Filesize

    6.2MB

  • memory/3032-41-0x0000000006490000-0x00000000064AE000-memory.dmp

    Filesize

    120KB

  • memory/3032-42-0x00000000064C0000-0x000000000650C000-memory.dmp

    Filesize

    304KB

  • memory/3032-44-0x000000007F550000-0x000000007F560000-memory.dmp

    Filesize

    64KB

  • memory/3032-43-0x0000000006A50000-0x0000000006A84000-memory.dmp

    Filesize

    208KB

  • memory/3032-45-0x0000000071390000-0x00000000713DC000-memory.dmp

    Filesize

    304KB

  • memory/3032-55-0x0000000002DB0000-0x0000000002DC0000-memory.dmp

    Filesize

    64KB

  • memory/3032-54-0x0000000006AC0000-0x0000000006ADE000-memory.dmp

    Filesize

    120KB

  • memory/3032-56-0x0000000007680000-0x0000000007724000-memory.dmp

    Filesize

    656KB

  • memory/3032-26-0x0000000005F60000-0x0000000005FC6000-memory.dmp

    Filesize

    408KB

  • memory/3032-58-0x00000000077E0000-0x00000000077FA000-memory.dmp

    Filesize

    104KB

  • memory/3032-59-0x0000000007860000-0x000000000786A000-memory.dmp

    Filesize

    40KB

  • memory/3032-60-0x0000000007A70000-0x0000000007B06000-memory.dmp

    Filesize

    600KB

  • memory/3032-61-0x00000000079F0000-0x0000000007A01000-memory.dmp

    Filesize

    68KB

  • memory/3032-62-0x0000000007A20000-0x0000000007A2E000-memory.dmp

    Filesize

    56KB

  • memory/3032-63-0x0000000007A30000-0x0000000007A45000-memory.dmp

    Filesize

    84KB

  • memory/3032-64-0x0000000007B30000-0x0000000007B4A000-memory.dmp

    Filesize

    104KB

  • memory/3032-65-0x0000000007B20000-0x0000000007B28000-memory.dmp

    Filesize

    32KB

  • memory/3032-68-0x0000000074D30000-0x00000000754E1000-memory.dmp

    Filesize

    7.7MB

  • memory/3268-40-0x00000000063C0000-0x0000000006516000-memory.dmp

    Filesize

    1.3MB

  • memory/3268-74-0x00000000063C0000-0x0000000006516000-memory.dmp

    Filesize

    1.3MB

  • memory/3268-77-0x00000000067E0000-0x00000000068F1000-memory.dmp

    Filesize

    1.1MB

  • memory/4652-71-0x0000000000A70000-0x0000000000A7B000-memory.dmp

    Filesize

    44KB

  • memory/4652-72-0x0000000000430000-0x000000000045F000-memory.dmp

    Filesize

    188KB