Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-02-2024 05:48

General

  • Target

    e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe

  • Size

    814KB

  • MD5

    8fc83cdc44075773ee401f010d2443b0

  • SHA1

    96cd91bb463dcb0f7b56e94bf2cb15d7dc8f63b6

  • SHA256

    220977b28fc847b8a2d7c65d3d19a3859e3e62dc5e19edaf4909965516a91694

  • SHA512

    12a5cf0ee3c995faf09f821e4f4db1bf4f50c5ead57e72bf6e518b38c4d14a020724698e0930ea515ddeb810464ab9c9a616e3c8cd0a7e82ce64ab58a614f597

  • SSDEEP

    12288:mj6mRlmDKClMfkrPEBuGKw3f+s2geR3VJ6wGllh5VelrQTydKp:m2a4KCycrPQIo+aePgDalrQTl

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

kmge

Decoy

jia0752d.com

cq0jt.sbs

whimsicalweddingrentals.com

meetsex-here.life

hhe-crv220.com

bedbillionaire.com

soycmo.com

mrawkward.xyz

11ramshornroad.com

motoyonaturals.com

thischicloves.com

gacorbet.pro

ihsanid.com

pancaketurner.com

santanarstore.com

cr3dtv.com

negotools.com

landfillequip.com

sejasuapropriachefe.com

diamant-verkopen.store

Signatures

  • Formbook

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

  • Formbook payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 60 IoCs
  • Suspicious behavior: MapViewOfSection 7 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe
      "C:\Users\Admin\AppData\Local\Temp\e64a5a0e34ecb51c2c40cb84016354e096b7c5bc34f5a841d685e94844644ad6.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:744
      • C:\Users\Admin\AppData\Local\Temp\skype.exe
        "C:\Users\Admin\AppData\Local\Temp\skype.exe"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3620
        • C:\Windows\SysWOW64\cmd.exe
          "cmd" /c ping 127.0.0.1 -n 12 > nul && copy "C:\Users\Admin\AppData\Local\Temp\skype.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe" && ping 127.0.0.1 -n 12 > nul && "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
          4⤵
          • Drops startup file
          • Suspicious use of WriteProcessMemory
          PID:3120
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 12
            5⤵
            • Runs ping.exe
            PID:4512
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 12
            5⤵
            • Runs ping.exe
            PID:2408
          • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe
            "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe"
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1708
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
              6⤵
              • Suspicious use of SetThreadContext
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious behavior: MapViewOfSection
              • Suspicious use of AdjustPrivilegeToken
              PID:4112
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\SysWOW64\msiexec.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4208
      • 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⤵
          PID:4964
        • C:\Program Files\Mozilla Firefox\Firefox.exe
          "C:\Program Files\Mozilla Firefox\Firefox.exe"
          3⤵
            PID:4292

      Network

      MITRE ATT&CK Matrix ATT&CK v13

      Defense Evasion

      Modify Registry

      1
      T1112

      Credential Access

      Unsecured Credentials

      1
      T1552

      Credentials In Files

      1
      T1552.001

      Discovery

      Query Registry

      1
      T1012

      System Information Discovery

      2
      T1082

      Remote System Discovery

      1
      T1018

      Collection

      Data from Local System

      1
      T1005

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        1KB

        MD5

        b18bd43958115cd3b7b22e45103c10c5

        SHA1

        ff9fd020e81b03fd84c878ea24f27e8b41389435

        SHA256

        67cb85ee85191bd3203adf49b1d0199867ac66f0b114a09a8392d5d5b1dd36d4

        SHA512

        5101dd146815472c878a05cd345eae6a7f730c2059a368c56673e9c3ec47696e788162f15390b54b4e1d066fd56cae56fc6e8bf7ea6e5af250aaf1e8c8e68c00

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

        46KB

        MD5

        02d2c46697e3714e49f46b680b9a6b83

        SHA1

        84f98b56d49f01e9b6b76a4e21accf64fd319140

        SHA256

        522cad95d3fa6ebb3274709b8d09bbb1ca37389d0a924cd29e934a75aa04c6c9

        SHA512

        60348a145bfc71b1e07cb35fa79ab5ff472a3d0a557741ea2d39b3772bc395b86e261bd616f65307ae0d997294e49b5548d32f11e86ef3e2704959ca63da8aac

      • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logim.jpeg
        Filesize

        78KB

        MD5

        c0c0e5e413924d4211864fe767b65394

        SHA1

        2c2c613a9796f6465212a5551387ed78b5018d1d

        SHA256

        8b544b9b518dfec94868ec24a08695988e7960ced8e24af8db603e4997da1d13

        SHA512

        4b1218f722a2313f065572ff13d423c3aad031e5c74616047820633ae84ab459b446ec96150900477b804ed8f18eff6654980151869e9e3ee6e3faca37a9e447

      • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrf.ini
        Filesize

        40B

        MD5

        2f245469795b865bdd1b956c23d7893d

        SHA1

        6ad80b974d3808f5a20ea1e766c7d2f88b9e5895

        SHA256

        1662d01a2d47b875a34fc7a8cd92e78cb2ba7f34023c7fd2639cbb10b8d94361

        SHA512

        909f189846a5d2db208a5eb2e7cb3042c0f164caf437e2b1b6de608c0a70e4f3510b81b85753dbeec1e211e6a83e6ea8c96aff896e9b6e8ed42014473a54dc4f

      • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrg.ini
        Filesize

        38B

        MD5

        4aadf49fed30e4c9b3fe4a3dd6445ebe

        SHA1

        1e332822167c6f351b99615eada2c30a538ff037

        SHA256

        75034beb7bded9aeab5748f4592b9e1419256caec474065d43e531ec5cc21c56

        SHA512

        eb5b3908d5e7b43ba02165e092f05578f45f15a148b4c3769036aa542c23a0f7cd2bc2770cf4119a7e437de3f681d9e398511f69f66824c516d9b451bb95f945

      • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logri.ini
        Filesize

        40B

        MD5

        d63a82e5d81e02e399090af26db0b9cb

        SHA1

        91d0014c8f54743bba141fd60c9d963f869d76c9

        SHA256

        eaece2eba6310253249603033c744dd5914089b0bb26bde6685ec9813611baae

        SHA512

        38afb05016d8f3c69d246321573997aaac8a51c34e61749a02bf5e8b2b56b94d9544d65801511044e1495906a86dc2100f2e20ff4fcbed09e01904cc780fdbad

      • C:\Users\Admin\AppData\Roaming\LK3BNUQ2\LK3logrv.ini
        Filesize

        872B

        MD5

        bbc41c78bae6c71e63cb544a6a284d94

        SHA1

        33f2c1d9fa0e9c99b80bc2500621e95af38b1f9a

        SHA256

        ee83c6bcea9353c74bfc0a7e739f3c4a765ace894470e09cdcdebba700b8d4cb

        SHA512

        0aea424b57adae3e14ad6491cab585f554b4dffe601b5a17bad6ee6177d2f0f995e419cde576e2d1782b9bddc0661aada11a2c9f1454ae625d9e3223635ec9f4

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\skype\skype.exe
        Filesize

        814KB

        MD5

        8fc83cdc44075773ee401f010d2443b0

        SHA1

        96cd91bb463dcb0f7b56e94bf2cb15d7dc8f63b6

        SHA256

        220977b28fc847b8a2d7c65d3d19a3859e3e62dc5e19edaf4909965516a91694

        SHA512

        12a5cf0ee3c995faf09f821e4f4db1bf4f50c5ead57e72bf6e518b38c4d14a020724698e0930ea515ddeb810464ab9c9a616e3c8cd0a7e82ce64ab58a614f597

      • memory/744-9-0x00000000072F0000-0x000000000781C000-memory.dmp
        Filesize

        5.2MB

      • memory/744-3-0x0000000005280000-0x0000000005824000-memory.dmp
        Filesize

        5.6MB

      • memory/744-12-0x0000000074E80000-0x0000000075630000-memory.dmp
        Filesize

        7.7MB

      • memory/744-7-0x00000000051A0000-0x00000000051AA000-memory.dmp
        Filesize

        40KB

      • memory/744-1-0x0000000074E80000-0x0000000075630000-memory.dmp
        Filesize

        7.7MB

      • memory/744-6-0x0000000005020000-0x0000000005064000-memory.dmp
        Filesize

        272KB

      • memory/744-5-0x0000000004E10000-0x0000000004E20000-memory.dmp
        Filesize

        64KB

      • memory/744-4-0x0000000004CD0000-0x0000000004D62000-memory.dmp
        Filesize

        584KB

      • memory/744-0-0x0000000000A80000-0x0000000000B52000-memory.dmp
        Filesize

        840KB

      • memory/744-2-0x0000000004C30000-0x0000000004CCC000-memory.dmp
        Filesize

        624KB

      • memory/1708-24-0x0000000074E50000-0x0000000075600000-memory.dmp
        Filesize

        7.7MB

      • memory/1708-23-0x0000000000F30000-0x0000000001002000-memory.dmp
        Filesize

        840KB

      • memory/1708-27-0x00000000075F0000-0x000000000760A000-memory.dmp
        Filesize

        104KB

      • memory/1708-28-0x0000000007590000-0x0000000007596000-memory.dmp
        Filesize

        24KB

      • memory/1708-29-0x0000000074E50000-0x0000000075600000-memory.dmp
        Filesize

        7.7MB

      • memory/1708-30-0x0000000005B60000-0x0000000005B70000-memory.dmp
        Filesize

        64KB

      • memory/1708-26-0x0000000005B60000-0x0000000005B70000-memory.dmp
        Filesize

        64KB

      • memory/1708-32-0x0000000074E50000-0x0000000075600000-memory.dmp
        Filesize

        7.7MB

      • memory/1708-25-0x0000000005B60000-0x0000000005B70000-memory.dmp
        Filesize

        64KB

      • memory/3444-37-0x0000000008510000-0x00000000086A4000-memory.dmp
        Filesize

        1.6MB

      • memory/3444-76-0x0000000008820000-0x0000000008991000-memory.dmp
        Filesize

        1.4MB

      • memory/3444-68-0x0000000008820000-0x0000000008991000-memory.dmp
        Filesize

        1.4MB

      • memory/3444-67-0x0000000008820000-0x0000000008991000-memory.dmp
        Filesize

        1.4MB

      • memory/3444-62-0x0000000008510000-0x00000000086A4000-memory.dmp
        Filesize

        1.6MB

      • memory/3620-14-0x0000000004D80000-0x0000000004D90000-memory.dmp
        Filesize

        64KB

      • memory/3620-11-0x0000000074E80000-0x0000000075630000-memory.dmp
        Filesize

        7.7MB

      • memory/3620-13-0x0000000004D80000-0x0000000004D90000-memory.dmp
        Filesize

        64KB

      • memory/3620-16-0x0000000074E80000-0x0000000075630000-memory.dmp
        Filesize

        7.7MB

      • memory/4112-35-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/4112-31-0x0000000000400000-0x000000000042F000-memory.dmp
        Filesize

        188KB

      • memory/4112-33-0x00000000013A0000-0x00000000016EA000-memory.dmp
        Filesize

        3.3MB

      • memory/4112-36-0x0000000001240000-0x0000000001254000-memory.dmp
        Filesize

        80KB

      • memory/4208-42-0x0000000000CF0000-0x0000000000D02000-memory.dmp
        Filesize

        72KB

      • memory/4208-38-0x0000000000CF0000-0x0000000000D02000-memory.dmp
        Filesize

        72KB

      • memory/4208-66-0x0000000002D30000-0x0000000002DC3000-memory.dmp
        Filesize

        588KB

      • memory/4208-40-0x0000000000CF0000-0x0000000000D02000-memory.dmp
        Filesize

        72KB

      • memory/4208-60-0x0000000002D30000-0x0000000002DC3000-memory.dmp
        Filesize

        588KB

      • memory/4208-43-0x0000000001000000-0x000000000102F000-memory.dmp
        Filesize

        188KB

      • memory/4208-45-0x0000000001000000-0x000000000102F000-memory.dmp
        Filesize

        188KB

      • memory/4208-44-0x0000000003000000-0x000000000334A000-memory.dmp
        Filesize

        3.3MB