Resubmissions

15-10-2024 14:49

241015-r7aqravark 10

15-10-2024 14:44

241015-r39paathjq 10

Analysis

  • max time kernel
    1798s
  • max time network
    1792s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2024 14:49

General

  • Target

    malw.exe

  • Size

    557KB

  • MD5

    382c88984b3c6ee204de52753ef3430a

  • SHA1

    6a3e055ed4b30137798e379408894298d6caf652

  • SHA256

    0c75f9346023e418ff8265fb609a392086a32d894482fad2426e7993467e0eda

  • SHA512

    e5b9658766c195274d41869253ded042cb8c8d7c2f9439b7ee3335bc049b4b1d6ef14ed86f78d5a7de67fbf2ea16d542db151924ef2c9f4293204ce9d2cde2fa

  • SSDEEP

    12288:7bUSAWFHil5oqaWB1meO4pT7eTAqLySHqiO/B/rbKbp/zF8PnEh2vo1:7bAkCEqaW/mZkT7gAMKL/6p/GEum

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

t18n

Decoy

tmusicoregon.net

atici.online

j7u7.xyz

iewunucierwuerwnziqi1.info

ruvabetgiris.website

acik.lat

obsk.top

sphaltpaving-ttp1-shd-us-2.shop

ispensarynearme.news

b3nd.bond

urelook.xyz

gearlpfbm.top

aconstructionjob.bond

killsnexis.info

oshon.xyz

ashabsxw.top

ussiatraiding.buzz

raipsehumus.homes

6ae23rx.forum

edar88vvip.shop

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 2 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Drops file in Program Files directory 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 8 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 30 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:3468
    • C:\Users\Admin\AppData\Local\Temp\malw.exe
      "C:\Users\Admin\AppData\Local\Temp\malw.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4856
      • 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\malw.exe"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4916
      • C:\Users\Admin\AppData\Local\Temp\malw.exe
        "C:\Users\Admin\AppData\Local\Temp\malw.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of AdjustPrivilegeToken
        PID:4580
    • C:\Windows\SysWOW64\systray.exe
      "C:\Windows\SysWOW64\systray.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1796
      • C:\Windows\SysWOW64\cmd.exe
        /c del "C:\Users\Admin\AppData\Local\Temp\malw.exe"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1280
      • C:\Windows\SysWOW64\cmd.exe
        /c copy "C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Login Data" "C:\Users\Admin\AppData\Local\Temp\DB1" /V
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2300
      • C:\Program Files\Mozilla Firefox\Firefox.exe
        "C:\Program Files\Mozilla Firefox\Firefox.exe"
        3⤵
          PID:4072
      • C:\Program Files (x86)\Umv1djrq8\taskhostyv_plbkh.exe
        "C:\Program Files (x86)\Umv1djrq8\taskhostyv_plbkh.exe"
        2⤵
        • Checks computer location settings
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:928
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Program Files (x86)\Umv1djrq8\taskhostyv_plbkh.exe"
          3⤵
          • Command and Scripting Interpreter: PowerShell
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:4928
        • C:\Program Files (x86)\Umv1djrq8\taskhostyv_plbkh.exe
          "C:\Program Files (x86)\Umv1djrq8\taskhostyv_plbkh.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious behavior: MapViewOfSection
          • Suspicious use of AdjustPrivilegeToken
          PID:4356
      • C:\Windows\SysWOW64\msdt.exe
        "C:\Windows\SysWOW64\msdt.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1132

    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

      ba246bd2d86f16b8e701e797989d424b

      SHA1

      048769be2e48bd66ddedbfcf9d40addb6168fc16

      SHA256

      37c38ce312bc65167a7a6208217dedc66559bd6dd149472fd7001a8e9db310ad

      SHA512

      473fedc38e188d36b1f2f3db119a5c6c1e8676a24392a64b60198ab38c6725a909b8564892608760cc2dfc6a1b4f72cf4370740f97dcb0722d3fd4e0faa57bec

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

      Filesize

      18KB

      MD5

      2a1eb8a90d262c81116fc588b1c34e4d

      SHA1

      91055c997530d82a2c915de795285c4edfda5550

      SHA256

      8baef8a0cbefccf5a5e155a0480675ec06e7337309a6aa82fd96f78b22ea0ed6

      SHA512

      dbfd2e4818254efa6a1ec92799351d27bdb4385d7aacbe4d899bfafb836237bb6247bfff82404e3e1f349d599ba30f5195bf1aeda351810db1fac5b47bfcd8c2

    • C:\Users\Admin\AppData\Local\Temp\DB1

      Filesize

      40KB

      MD5

      a182561a527f929489bf4b8f74f65cd7

      SHA1

      8cd6866594759711ea1836e86a5b7ca64ee8911f

      SHA256

      42aad7886965428a941508b776a666a4450eb658cb90e80fae1e7457fc71f914

      SHA512

      9bc3bf5a82f6f057e873adebd5b7a4c64adef966537ab9c565fe7c4bb3582e2e485ff993d5ab8a6002363231958fabd0933b48811371b8c155eaa74592b66558

    • C:\Users\Admin\AppData\Local\Temp\Umv1djrq8\taskhostyv_plbkh.exe

      Filesize

      557KB

      MD5

      382c88984b3c6ee204de52753ef3430a

      SHA1

      6a3e055ed4b30137798e379408894298d6caf652

      SHA256

      0c75f9346023e418ff8265fb609a392086a32d894482fad2426e7993467e0eda

      SHA512

      e5b9658766c195274d41869253ded042cb8c8d7c2f9439b7ee3335bc049b4b1d6ef14ed86f78d5a7de67fbf2ea16d542db151924ef2c9f4293204ce9d2cde2fa

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_scuej50k.gjq.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Roaming\L4R79R46\L4Rlogim.jpeg

      Filesize

      79KB

      MD5

      b69de5099cc623f00ecc8ffec6edea72

      SHA1

      33f0e3209a9615075e13e7b6977c47a62f871578

      SHA256

      534e352245ffd4fe7ba61659f3a521372b32d9355ba807ef980cc0e59aa4b944

      SHA512

      30a1b2198083edf7d93f6a01556d130d6654d7fcd32e96f5cc213848f0f1864903bc2ea570a4ce19722ff1b05a9290646c0c6afdf68f6fc0e246e895f79eabe3

    • C:\Users\Admin\AppData\Roaming\L4R79R46\L4Rlogrf.ini

      Filesize

      40B

      MD5

      2f245469795b865bdd1b956c23d7893d

      SHA1

      6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

      SHA256

      1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

      SHA512

      909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

    • C:\Users\Admin\AppData\Roaming\L4R79R46\L4Rlogrg.ini

      Filesize

      38B

      MD5

      4aadf49fed30e4c9b3fe4a3dd6445ebe

      SHA1

      1e332822167c6f351b99615eada2c30a538ff037

      SHA256

      75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

      SHA512

      eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

    • C:\Users\Admin\AppData\Roaming\L4R79R46\L4Rlogri.ini

      Filesize

      40B

      MD5

      d63a82e5d81e02e399090af26db0b9cb

      SHA1

      91d0014c8f54743bba141fd60c9d963f869d76c9

      SHA256

      eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

      SHA512

      38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

    • C:\Users\Admin\AppData\Roaming\L4R79R46\L4Rlogrv.ini

      Filesize

      872B

      MD5

      bbc41c78bae6c71e63cb544a6a284d94

      SHA1

      33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

      SHA256

      ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

      SHA512

      0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

    • memory/928-241-0x0000000005760000-0x0000000005772000-memory.dmp

      Filesize

      72KB

    • memory/1796-71-0x0000000000520000-0x0000000000526000-memory.dmp

      Filesize

      24KB

    • memory/1796-72-0x0000000000520000-0x0000000000526000-memory.dmp

      Filesize

      24KB

    • memory/1796-73-0x0000000000F90000-0x0000000000FBF000-memory.dmp

      Filesize

      188KB

    • memory/3468-74-0x0000000008F40000-0x00000000090B1000-memory.dmp

      Filesize

      1.4MB

    • memory/3468-18-0x00000000085B0000-0x0000000008751000-memory.dmp

      Filesize

      1.6MB

    • memory/3468-69-0x00000000085B0000-0x0000000008751000-memory.dmp

      Filesize

      1.6MB

    • memory/3468-76-0x00000000080A0000-0x0000000008168000-memory.dmp

      Filesize

      800KB

    • memory/3468-70-0x0000000008F40000-0x00000000090B1000-memory.dmp

      Filesize

      1.4MB

    • memory/4580-15-0x0000000001150000-0x000000000149A000-memory.dmp

      Filesize

      3.3MB

    • memory/4580-68-0x0000000000BE0000-0x0000000000BF4000-memory.dmp

      Filesize

      80KB

    • memory/4580-67-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/4580-16-0x0000000000B20000-0x0000000000B34000-memory.dmp

      Filesize

      80KB

    • memory/4580-11-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/4580-17-0x0000000000400000-0x000000000042F000-memory.dmp

      Filesize

      188KB

    • memory/4856-3-0x0000000004C00000-0x0000000004C92000-memory.dmp

      Filesize

      584KB

    • memory/4856-2-0x0000000005110000-0x00000000056B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4856-4-0x0000000004BF0000-0x0000000004BFA000-memory.dmp

      Filesize

      40KB

    • memory/4856-1-0x0000000000150000-0x00000000001E2000-memory.dmp

      Filesize

      584KB

    • memory/4856-5-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4856-9-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4856-13-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4856-6-0x0000000004E70000-0x0000000004F0C000-memory.dmp

      Filesize

      624KB

    • memory/4856-10-0x0000000006180000-0x00000000061F6000-memory.dmp

      Filesize

      472KB

    • memory/4856-7-0x0000000004E10000-0x0000000004E22000-memory.dmp

      Filesize

      72KB

    • memory/4856-8-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/4856-0-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/4916-20-0x00000000028C0000-0x00000000028F6000-memory.dmp

      Filesize

      216KB

    • memory/4916-38-0x0000000006220000-0x000000000626C000-memory.dmp

      Filesize

      304KB

    • memory/4916-58-0x0000000007700000-0x0000000007711000-memory.dmp

      Filesize

      68KB

    • memory/4916-59-0x0000000007730000-0x000000000773E000-memory.dmp

      Filesize

      56KB

    • memory/4916-60-0x0000000007740000-0x0000000007754000-memory.dmp

      Filesize

      80KB

    • memory/4916-61-0x0000000007840000-0x000000000785A000-memory.dmp

      Filesize

      104KB

    • memory/4916-62-0x0000000007820000-0x0000000007828000-memory.dmp

      Filesize

      32KB

    • memory/4916-65-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-56-0x0000000007580000-0x000000000758A000-memory.dmp

      Filesize

      40KB

    • memory/4916-55-0x0000000007500000-0x000000000751A000-memory.dmp

      Filesize

      104KB

    • memory/4916-54-0x0000000007B50000-0x00000000081CA000-memory.dmp

      Filesize

      6.5MB

    • memory/4916-52-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-53-0x00000000071D0000-0x0000000007273000-memory.dmp

      Filesize

      652KB

    • memory/4916-40-0x00000000710E0000-0x000000007112C000-memory.dmp

      Filesize

      304KB

    • memory/4916-51-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-50-0x00000000071A0000-0x00000000071BE000-memory.dmp

      Filesize

      120KB

    • memory/4916-39-0x00000000067B0000-0x00000000067E2000-memory.dmp

      Filesize

      200KB

    • memory/4916-57-0x0000000007780000-0x0000000007816000-memory.dmp

      Filesize

      600KB

    • memory/4916-37-0x00000000061E0000-0x00000000061FE000-memory.dmp

      Filesize

      120KB

    • memory/4916-36-0x0000000005D40000-0x0000000006094000-memory.dmp

      Filesize

      3.3MB

    • memory/4916-35-0x0000000005CD0000-0x0000000005D36000-memory.dmp

      Filesize

      408KB

    • memory/4916-34-0x00000000051C0000-0x0000000005226000-memory.dmp

      Filesize

      408KB

    • memory/4916-24-0x0000000005120000-0x0000000005142000-memory.dmp

      Filesize

      136KB

    • memory/4916-19-0x00000000752CE000-0x00000000752CF000-memory.dmp

      Filesize

      4KB

    • memory/4916-23-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-21-0x00000000054F0000-0x0000000005B18000-memory.dmp

      Filesize

      6.2MB

    • memory/4916-22-0x00000000752C0000-0x0000000075A70000-memory.dmp

      Filesize

      7.7MB

    • memory/4928-258-0x00000000057F0000-0x0000000005B44000-memory.dmp

      Filesize

      3.3MB

    • memory/4928-260-0x0000000005CB0000-0x0000000005CFC000-memory.dmp

      Filesize

      304KB

    • memory/4928-261-0x00000000703F0000-0x000000007043C000-memory.dmp

      Filesize

      304KB

    • memory/4928-271-0x0000000006E50000-0x0000000006EF3000-memory.dmp

      Filesize

      652KB

    • memory/4928-272-0x0000000007190000-0x00000000071A1000-memory.dmp

      Filesize

      68KB

    • memory/4928-273-0x00000000071D0000-0x00000000071E4000-memory.dmp

      Filesize

      80KB