Analysis

  • max time kernel
    119s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2024 12:39

General

  • Target

    1ffc5e27d5aca993bb3426c576e15499eb85bc16acb94c3755b456839e5b34c9N.exe

  • Size

    234KB

  • MD5

    f2c86894eaf1eb32a0504c7540220290

  • SHA1

    aec00cfdacc0f0f8ae8d3cdb8dda61fb87245e3a

  • SHA256

    1ffc5e27d5aca993bb3426c576e15499eb85bc16acb94c3755b456839e5b34c9

  • SHA512

    55c31a3953d4d4c277daebbdf61ed4f555e5631946ec57abec0914464404e2685cd6ccf09230a6f3d038614ee653e7a4ebf735ef7686abfc06ace0a45b22a41c

  • SSDEEP

    3072:h5xP/oznBDojDW2tozrwy6CB3bBLdK7SAI9ud8Qq2sNNIOzpfH9S6jlRDNNAXFk+:hr5XRouCB3hd62uyQq2sR5dn5NIFk+

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:1248
    • C:\Users\Admin\AppData\Local\Temp\1ffc5e27d5aca993bb3426c576e15499eb85bc16acb94c3755b456839e5b34c9N.exe
      "C:\Users\Admin\AppData\Local\Temp\1ffc5e27d5aca993bb3426c576e15499eb85bc16acb94c3755b456839e5b34c9N.exe"
      2⤵
      • 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:2860
      • C:\Users\Admin\AppData\Roaming\makecont\MuiUkmgr.exe
        "C:\Users\Admin\AppData\Roaming\makecont"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3008
        • C:\Users\Admin\AppData\Local\Temp\~CBD7.tmp
          1248 239624 3008 1
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2032
  • C:\Windows\SysWOW64\drvill32.exe
    C:\Windows\SysWOW64\drvill32.exe -s
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\~CBD7.tmp

    Filesize

    8KB

    MD5

    86dc243576cf5c7445451af37631eea9

    SHA1

    99a81c47c4c02f32c0ab456bfa23c306c7a09bf9

    SHA256

    25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a

    SHA512

    c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4

  • \Users\Admin\AppData\Roaming\makecont\MuiUkmgr.exe

    Filesize

    234KB

    MD5

    a24f7272a2c46bf426591782125bb777

    SHA1

    e21213e0160536285efa8f601e9e1f72dd5532ed

    SHA256

    53b95a760084d4149b6a4707fc86719c22c774023fca43cf64c915f1b6d7ac52

    SHA512

    71ebacac6a264990d6ac8035eab7043ff59afbf2f050eda2db3d3d5a7770082bcc83c855309e1b0b6af99113daf8096d1670b48aaf7bc35a665c5dbac0c9d482

  • memory/768-23-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/1248-26-0x00000000024D0000-0x000000000251A000-memory.dmp

    Filesize

    296KB

  • memory/1248-20-0x00000000024D0000-0x000000000251A000-memory.dmp

    Filesize

    296KB

  • memory/1248-19-0x00000000024D0000-0x000000000251A000-memory.dmp

    Filesize

    296KB

  • memory/1248-33-0x0000000002E40000-0x0000000002E4D000-memory.dmp

    Filesize

    52KB

  • memory/1248-32-0x0000000002E30000-0x0000000002E36000-memory.dmp

    Filesize

    24KB

  • memory/2860-4-0x00000000002E0000-0x000000000031F000-memory.dmp

    Filesize

    252KB

  • memory/2860-1-0x0000000000220000-0x0000000000263000-memory.dmp

    Filesize

    268KB

  • memory/2860-24-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/2860-0-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB

  • memory/3008-13-0x0000000000440000-0x0000000000483000-memory.dmp

    Filesize

    268KB

  • memory/3008-14-0x0000000000250000-0x0000000000255000-memory.dmp

    Filesize

    20KB

  • memory/3008-35-0x0000000000400000-0x000000000043F000-memory.dmp

    Filesize

    252KB