Analysis

  • max time kernel
    140s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05/11/2024, 23:51

General

  • Target

    73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b.exe

  • Size

    5.4MB

  • MD5

    3a50686f11cab9303e50a2de23064eb4

  • SHA1

    a970490596cdcd2efb186e482eb97c464232b625

  • SHA256

    73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b

  • SHA512

    b2457ea43fbbfc326d13f5ccf95b8cd02a46e483753f4b05c6b1db525d1d082c8ad156b48b5defb45069bca17a11fccac4f89bd3dd45b10b601b32fafde1d912

  • SSDEEP

    49152:9GGWdQtSgRWpAIRrRLzZiNo7IcyO82MzufjWJA6ongaHLvKLA8VgbKW2llxobcJC:IKTOrRn+os45gaHrhdwC

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b.exe
    "C:\Users\Admin\AppData\Local\Temp\73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2968
    • C:\Windows\SysWOW64\sysx32.exe
      C:\Windows\system32\sysx32.exe /scan
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Drops file in System32 directory
      • Drops file in Program Files directory
      PID:2852
    • C:\Users\Admin\AppData\Local\Temp\_73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b.exe
      C:\Users\Admin\AppData\Local\Temp\_73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:2860
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 1112
        3⤵
        • Loads dropped DLL
        PID:3000

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          057e58827d071893a3753b6f4c0f28e5

          SHA1

          eae153449d455bd88be061c3bd1251f9907e6e91

          SHA256

          b3cda46b426626411cee84d174b04cd6d96bb0eefcbf811faa3d44be360d80bc

          SHA512

          4d860c35c8eb207cbcb39de137bf5934afcbe1edf7491b2ba47681dbdc4cf55e7caf3d130496ac671bdc971c2a0e3edc4ac4be10a1f0234245268baab46afb2c

        • C:\Users\Admin\AppData\Local\Temp\Cab4D3.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar4E6.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • C:\Users\Admin\AppData\Local\Temp\_73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b.exe

          Filesize

          5.3MB

          MD5

          2961d9e7c399d6d047ef063757afec75

          SHA1

          05996a47e907d1858d3f900469bbb2ff9ea104df

          SHA256

          ffcd18191f60427b93eab508e3058f733ed5e9de9024cccf3df27e6df121eab4

          SHA512

          2ff2d2b812220efcd57659737504e08c8c6d024ec5f186ab5f7fd8c6316f1e0d16828ad248880f33f598de50b6d3e16a576b1e372f0092107d09db0ba913c099

        • \Windows\SysWOW64\sysx32.exe

          Filesize

          5.4MB

          MD5

          3a50686f11cab9303e50a2de23064eb4

          SHA1

          a970490596cdcd2efb186e482eb97c464232b625

          SHA256

          73a33d9fbd9d42877a740dfd6d72735609ed45f5114cfb41679b04d421c4ec6b

          SHA512

          b2457ea43fbbfc326d13f5ccf95b8cd02a46e483753f4b05c6b1db525d1d082c8ad156b48b5defb45069bca17a11fccac4f89bd3dd45b10b601b32fafde1d912

        • memory/2852-190-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB

        • memory/2860-17-0x000007FEF69FE000-0x000007FEF69FF000-memory.dmp

          Filesize

          4KB

        • memory/2860-40-0x000007FEF6740000-0x000007FEF70DD000-memory.dmp

          Filesize

          9.6MB

        • memory/2860-187-0x000007FEF6740000-0x000007FEF70DD000-memory.dmp

          Filesize

          9.6MB

        • memory/2968-11-0x0000000000220000-0x0000000000231000-memory.dmp

          Filesize

          68KB

        • memory/2968-10-0x0000000000220000-0x0000000000231000-memory.dmp

          Filesize

          68KB

        • memory/2968-0-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB

        • memory/2968-186-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB

        • memory/2968-189-0x0000000000400000-0x0000000000411000-memory.dmp

          Filesize

          68KB