Analysis

  • max time kernel
    43s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    28-05-2022 01:17

General

  • Target

    0337269cb7824bffbf388929b90e85a93f1b01587a5b611d8cf8ea4498ac4480.exe

  • Size

    2.3MB

  • MD5

    85fb0ee4d7db16493aa9e0095b9adbd2

  • SHA1

    6b1625fc64825b5e38606cd4e5a8336b0cd76ef9

  • SHA256

    0337269cb7824bffbf388929b90e85a93f1b01587a5b611d8cf8ea4498ac4480

  • SHA512

    8dc756f1c5ec5fabe27f70b5da15b97fa462eecd8f0589480fff957d15841361d23bfb81d1b5a0517e3ccba0f8752f8b0b9e01167481b0dcf388d3e0cc0b821f

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs
  • Loads dropped DLL 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in Program Files directory 8 IoCs
  • Modifies Internet Explorer settings 1 TTPs 6 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0337269cb7824bffbf388929b90e85a93f1b01587a5b611d8cf8ea4498ac4480.exe
    "C:\Users\Admin\AppData\Local\Temp\0337269cb7824bffbf388929b90e85a93f1b01587a5b611d8cf8ea4498ac4480.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\305e4579\ACyijoXGXU29wDD.exe
      "C:\Users\Admin\AppData\Local\Temp/305e4579/ACyijoXGXU29wDD.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:1996
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.x64.dll"
        3⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1536
        • C:\Windows\system32\regsvr32.exe
          /s "C:\Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.x64.dll"
          4⤵
          • Loads dropped DLL
          • Modifies Internet Explorer settings
          • Modifies registry class
          PID:1728

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.dat
    Filesize

    7KB

    MD5

    42eafa20f7e713f8f3cee5acff071236

    SHA1

    f41dbeaaa312b1f3f0202cffecf6a468777ad92b

    SHA256

    2912c365fedc5e04fcfbdff983cf868d09edc5fb011bc84107b928fdb8e36c64

    SHA512

    bdbcdcf9aca388d804912768446d4d65c93e1eb881c527d2434d25aa7bc9ad3ab98301776e7bbed7f9b31a59a73fc2bdd39c12c78c752d46796ac0407498d565

  • C:\Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.tlb
    Filesize

    4KB

    MD5

    0fe06b2503ac0e34dcbb7ac744f8905b

    SHA1

    8850ee13bfdc7e62670b67588f8b88e798f02622

    SHA256

    ee29d7672ab20bd7c779268d59994217be7d3704396e52785f3da70db8afb02b

    SHA512

    bf3df6c9dba950e63dc0b1d448e87d1387cfd63233fe9eb04cb72563bc9fb2be8bce133748be07b74e8cf47d374b0fd5641c1d8fd66886c950cad6bc771ee8e9

  • C:\Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.x64.dll
    Filesize

    645KB

    MD5

    b6f8ef51a64b9e5c0bd12d6b094fb894

    SHA1

    c567f85cbffc4dc082782d1b0bf5d7d87daf6973

    SHA256

    6926610797c19bb4fe428ead47971ea3dd294618949d2a2fb581b8aaa51472bd

    SHA512

    99d6186f740ce036927b8e21a93984dedea677155c09029b3e301863ad35f05886a40ea8945fa23705b9fbf9ff9ed75e9d7dc4b52377ef9172d5209dd7969e5d

  • C:\Users\Admin\AppData\Local\Temp\305e4579\ACyijoXGXU29wDD.dat
    Filesize

    7KB

    MD5

    42eafa20f7e713f8f3cee5acff071236

    SHA1

    f41dbeaaa312b1f3f0202cffecf6a468777ad92b

    SHA256

    2912c365fedc5e04fcfbdff983cf868d09edc5fb011bc84107b928fdb8e36c64

    SHA512

    bdbcdcf9aca388d804912768446d4d65c93e1eb881c527d2434d25aa7bc9ad3ab98301776e7bbed7f9b31a59a73fc2bdd39c12c78c752d46796ac0407498d565

  • C:\Users\Admin\AppData\Local\Temp\305e4579\ACyijoXGXU29wDD.exe
    Filesize

    766KB

    MD5

    eb843f08b06cc5bb0e8bbe9f8aaa0ba6

    SHA1

    0813518ec2daeb0a49d7ee2c9482150cc0eb1136

    SHA256

    1d94c27748e7d0dc5ffd03ae99acd9c30aaa8a6e91a66beab420650f9d6e4977

    SHA512

    48e3ec76eeb7a54d7ae467317d03ad5f073249e38cb8be1f08a65d31c8c4fb687d8315d6093074c074fb16c782ca57f9d0ec53464d91c0998d85f54fe58324c4

  • C:\Users\Admin\AppData\Local\Temp\305e4579\ACyijoXGXU29wDD.exe
    Filesize

    766KB

    MD5

    eb843f08b06cc5bb0e8bbe9f8aaa0ba6

    SHA1

    0813518ec2daeb0a49d7ee2c9482150cc0eb1136

    SHA256

    1d94c27748e7d0dc5ffd03ae99acd9c30aaa8a6e91a66beab420650f9d6e4977

    SHA512

    48e3ec76eeb7a54d7ae467317d03ad5f073249e38cb8be1f08a65d31c8c4fb687d8315d6093074c074fb16c782ca57f9d0ec53464d91c0998d85f54fe58324c4

  • C:\Users\Admin\AppData\Local\Temp\305e4579\G2lJpSM4A9nVdJ.dll
    Filesize

    573KB

    MD5

    9c27278b33fe0ce981266d406b95864c

    SHA1

    d1e48307906270c02bb06dfe4ef57272cdabd863

    SHA256

    e10d1a02b2bbb39d4e3830c6cc5c2bf2a517346ab1c8772692407c49266e54c4

    SHA512

    c4922b608e10d96ccc185315eb286968cb87f10be60f367ef9f15c03a3b4dfff31d45e14d79607f2863b7cb8c99700483360c78f6f294a357bcd11cd2b875963

  • C:\Users\Admin\AppData\Local\Temp\305e4579\G2lJpSM4A9nVdJ.tlb
    Filesize

    4KB

    MD5

    0fe06b2503ac0e34dcbb7ac744f8905b

    SHA1

    8850ee13bfdc7e62670b67588f8b88e798f02622

    SHA256

    ee29d7672ab20bd7c779268d59994217be7d3704396e52785f3da70db8afb02b

    SHA512

    bf3df6c9dba950e63dc0b1d448e87d1387cfd63233fe9eb04cb72563bc9fb2be8bce133748be07b74e8cf47d374b0fd5641c1d8fd66886c950cad6bc771ee8e9

  • C:\Users\Admin\AppData\Local\Temp\305e4579\G2lJpSM4A9nVdJ.x64.dll
    Filesize

    645KB

    MD5

    b6f8ef51a64b9e5c0bd12d6b094fb894

    SHA1

    c567f85cbffc4dc082782d1b0bf5d7d87daf6973

    SHA256

    6926610797c19bb4fe428ead47971ea3dd294618949d2a2fb581b8aaa51472bd

    SHA512

    99d6186f740ce036927b8e21a93984dedea677155c09029b3e301863ad35f05886a40ea8945fa23705b9fbf9ff9ed75e9d7dc4b52377ef9172d5209dd7969e5d

  • C:\Users\Admin\AppData\Local\Temp\{aa5fc823-af42-434c-936a-d8368af7fad1}-log.txt
    Filesize

    642B

    MD5

    56532f3fe41d07ed5cfed28077473088

    SHA1

    d6f3957003bb9b46ca18a8ec30c6cfff6385da22

    SHA256

    b26a8a8a1ace1a8d520fd3d424ee259fbb593f6102ad33e3cd54c8cb75a2e02c

    SHA512

    65af6c186148a547731b1ef50cd8397bd33ee2e54ca6dd2e93a6b09eee622412748c47297f53494ac3bbff0f44a4fbac3be3eeb84e93b6318535936ed97ae7af

  • \Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.dll
    Filesize

    573KB

    MD5

    9c27278b33fe0ce981266d406b95864c

    SHA1

    d1e48307906270c02bb06dfe4ef57272cdabd863

    SHA256

    e10d1a02b2bbb39d4e3830c6cc5c2bf2a517346ab1c8772692407c49266e54c4

    SHA512

    c4922b608e10d96ccc185315eb286968cb87f10be60f367ef9f15c03a3b4dfff31d45e14d79607f2863b7cb8c99700483360c78f6f294a357bcd11cd2b875963

  • \Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.x64.dll
    Filesize

    645KB

    MD5

    b6f8ef51a64b9e5c0bd12d6b094fb894

    SHA1

    c567f85cbffc4dc082782d1b0bf5d7d87daf6973

    SHA256

    6926610797c19bb4fe428ead47971ea3dd294618949d2a2fb581b8aaa51472bd

    SHA512

    99d6186f740ce036927b8e21a93984dedea677155c09029b3e301863ad35f05886a40ea8945fa23705b9fbf9ff9ed75e9d7dc4b52377ef9172d5209dd7969e5d

  • \Program Files (x86)\Vaaudix\G2lJpSM4A9nVdJ.x64.dll
    Filesize

    645KB

    MD5

    b6f8ef51a64b9e5c0bd12d6b094fb894

    SHA1

    c567f85cbffc4dc082782d1b0bf5d7d87daf6973

    SHA256

    6926610797c19bb4fe428ead47971ea3dd294618949d2a2fb581b8aaa51472bd

    SHA512

    99d6186f740ce036927b8e21a93984dedea677155c09029b3e301863ad35f05886a40ea8945fa23705b9fbf9ff9ed75e9d7dc4b52377ef9172d5209dd7969e5d

  • \Users\Admin\AppData\Local\Temp\305e4579\ACyijoXGXU29wDD.exe
    Filesize

    766KB

    MD5

    eb843f08b06cc5bb0e8bbe9f8aaa0ba6

    SHA1

    0813518ec2daeb0a49d7ee2c9482150cc0eb1136

    SHA256

    1d94c27748e7d0dc5ffd03ae99acd9c30aaa8a6e91a66beab420650f9d6e4977

    SHA512

    48e3ec76eeb7a54d7ae467317d03ad5f073249e38cb8be1f08a65d31c8c4fb687d8315d6093074c074fb16c782ca57f9d0ec53464d91c0998d85f54fe58324c4

  • memory/1032-54-0x0000000075B71000-0x0000000075B73000-memory.dmp
    Filesize

    8KB

  • memory/1536-64-0x0000000000000000-mapping.dmp
  • memory/1728-68-0x0000000000000000-mapping.dmp
  • memory/1728-69-0x000007FEFBEB1000-0x000007FEFBEB3000-memory.dmp
    Filesize

    8KB

  • memory/1996-56-0x0000000000000000-mapping.dmp