Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2025, 12:53

General

  • Target

    BankCertificateFilepdf00.exe

  • Size

    724KB

  • MD5

    595417bf40423929716d259aa6151e68

  • SHA1

    3adf3f7db8401715e7b73c50e1feee8b034b2f88

  • SHA256

    e69d37275cc3b52a9d3a26f76073191ab8f59901781b5ef2859f33dee2252ddc

  • SHA512

    03122a9d4fa3b0426d3e10bb1700c6060300b391fd1fb49242c694485a753dc7e6a5d5edc9147f469774b04f3444bf77a3ebe930c68275456309b99ca50a1f60

  • SSDEEP

    12288:sbnXloJNhQ/cWS7stu8HP1RhXtriB5VIenigsc5YK9ygCvSDH6Way22keYeJa9:eiJN+UVsw2P3tcnRYK6SDh4eE

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

a02d

Decoy

coplus.market

oofing-jobs-74429.bond

healchemists.xyz

oofcarpenternearme-jp.xyz

enewebsolutions.online

harepoint.legal

88977.club

omptables.xyz

eat-pumps-31610.bond

endown.graphics

amsexgirls.website

ovevibes.xyz

u-thiensu.online

yblinds.xyz

rumpchiefofstaff.store

erzog.fun

rrm.lat

agiclime.pro

agaviet59.shop

lbdoanhnhan.net

Signatures

  • Formbook

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

  • Formbook family
  • Formbook payload 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 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 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 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 62 IoCs
  • Suspicious behavior: MapViewOfSection 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 13 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3508
    • C:\Users\Admin\AppData\Local\Temp\BankCertificateFilepdf00.exe
      "C:\Users\Admin\AppData\Local\Temp\BankCertificateFilepdf00.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3572
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\BankCertificateFilepdf00.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1512
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\HPkPojK.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3028
      • C:\Windows\SysWOW64\schtasks.exe
        "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HPkPojK" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF0A9.tmp"
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:1308
      • 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:5116
    • 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:3888
      • 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:1872

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    d2f2fcaaa7f417f6d6492975a4bb0ecf

    SHA1

    d6544e1878e527c3155fb4e35789626abf0c04c2

    SHA256

    6cdccfac94502b4febc71eb15521f9d299db6286658606e47212a3d8600da2e4

    SHA512

    4783cf6dea8a03e7d5894483e0b90cf7255b1f3f277f8a741d21efeac9f56bdfa12309f509ccba27da5679becd3e17bcb1e9c797e5ad4634b078cd7fce223097

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2qv4l3my.m0p.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpF0A9.tmp

    Filesize

    1KB

    MD5

    7f12d26a21acd3844e861230bff65362

    SHA1

    651d1f6800eaef77d41dcecf7d28c5f15f087a9b

    SHA256

    c4c8c4d066c0576d7bc887966a6f8d4507eab1d772aef3cd73db7b1a9ce8ef44

    SHA512

    9da8a76fd3f08ad38849ab3696a6e155a382b700414de7761392bb6360b79f064f6576caf24aeecfb68d5e10b42467a0d66faa00366bba659a325c352f083f8f

  • memory/1512-20-0x00000000059D0000-0x00000000059F2000-memory.dmp

    Filesize

    136KB

  • memory/1512-50-0x0000000006170000-0x000000000618E000-memory.dmp

    Filesize

    120KB

  • memory/1512-76-0x0000000007490000-0x00000000074AA000-memory.dmp

    Filesize

    104KB

  • memory/1512-64-0x0000000075520000-0x000000007556C000-memory.dmp

    Filesize

    304KB

  • memory/1512-92-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-16-0x0000000002840000-0x0000000002876000-memory.dmp

    Filesize

    216KB

  • memory/1512-17-0x0000000005270000-0x0000000005898000-memory.dmp

    Filesize

    6.2MB

  • memory/1512-83-0x00000000077D0000-0x00000000077EA000-memory.dmp

    Filesize

    104KB

  • memory/1512-27-0x0000000005B50000-0x0000000005BB6000-memory.dmp

    Filesize

    408KB

  • memory/1512-77-0x0000000007510000-0x000000000751A000-memory.dmp

    Filesize

    40KB

  • memory/1512-18-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-40-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-84-0x00000000077B0000-0x00000000077B8000-memory.dmp

    Filesize

    32KB

  • memory/1512-51-0x0000000006200000-0x000000000624C000-memory.dmp

    Filesize

    304KB

  • memory/1512-15-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/1512-75-0x0000000007AE0000-0x000000000815A000-memory.dmp

    Filesize

    6.5MB

  • memory/1512-23-0x0000000005A70000-0x0000000005AD6000-memory.dmp

    Filesize

    408KB

  • memory/3028-29-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3028-65-0x0000000007620000-0x00000000076C3000-memory.dmp

    Filesize

    652KB

  • memory/3028-81-0x0000000007940000-0x000000000794E000-memory.dmp

    Filesize

    56KB

  • memory/3028-82-0x0000000007950000-0x0000000007964000-memory.dmp

    Filesize

    80KB

  • memory/3028-46-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3028-79-0x0000000007990000-0x0000000007A26000-memory.dmp

    Filesize

    600KB

  • memory/3028-53-0x0000000075520000-0x000000007556C000-memory.dmp

    Filesize

    304KB

  • memory/3028-80-0x0000000007910000-0x0000000007921000-memory.dmp

    Filesize

    68KB

  • memory/3028-39-0x0000000005E00000-0x0000000006154000-memory.dmp

    Filesize

    3.3MB

  • memory/3028-63-0x00000000069C0000-0x00000000069DE000-memory.dmp

    Filesize

    120KB

  • memory/3028-52-0x00000000075E0000-0x0000000007612000-memory.dmp

    Filesize

    200KB

  • memory/3028-91-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3028-19-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3508-97-0x0000000008460000-0x00000000085C8000-memory.dmp

    Filesize

    1.4MB

  • memory/3572-6-0x0000000006C40000-0x0000000006C66000-memory.dmp

    Filesize

    152KB

  • memory/3572-5-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-1-0x0000000000F20000-0x0000000000FDC000-memory.dmp

    Filesize

    752KB

  • memory/3572-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/3572-2-0x0000000006090000-0x0000000006634000-memory.dmp

    Filesize

    5.6MB

  • memory/3572-10-0x000000000EC30000-0x000000000ECCC000-memory.dmp

    Filesize

    624KB

  • memory/3572-8-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-7-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/3572-49-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/3572-3-0x00000000059E0000-0x0000000005A72000-memory.dmp

    Filesize

    584KB

  • memory/3572-9-0x0000000003350000-0x00000000033C8000-memory.dmp

    Filesize

    480KB

  • memory/3572-4-0x00000000059C0000-0x00000000059CA000-memory.dmp

    Filesize

    40KB

  • memory/3888-85-0x00000000012A0000-0x00000000012CF000-memory.dmp

    Filesize

    188KB

  • memory/3888-78-0x0000000000D50000-0x0000000000D5B000-memory.dmp

    Filesize

    44KB

  • memory/5116-45-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB