Analysis

  • max time kernel
    155s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    06-02-2022 07:34

General

  • Target

    f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5.exe

  • Size

    1.5MB

  • MD5

    997d9a0c210f31ec90f157e77dc9c488

  • SHA1

    c10e62bf47b425970075a5c6d644db23cd93e08b

  • SHA256

    f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5

  • SHA512

    1936aeb4fc7919e9b070be3547c4c9ebbe8bd4390628abd8700bfa196e4dcfb040a3bb394c350827132f4f5d3ee60cedcde7f0754753a0a6c42fb27df3689cef

Malware Config

Signatures

  • Detect Neshta Payload 12 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5.exe
    "C:\Users\Admin\AppData\Local\Temp\f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1572
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5.exe"
      2⤵
      • Executes dropped EXE
      • Checks whether UAC is enabled
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\svchost.com
        "C:\Windows\svchost.com" "C:\PROGRA~2\Adobe\READER~1.0\Reader\READER~1.EXE"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1776
        • C:\PROGRA~2\Adobe\READER~1.0\Reader\READER~1.EXE
          C:\PROGRA~2\Adobe\READER~1.0\Reader\READER~1.EXE
          4⤵
            PID:1808

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\MSOCache\ALLUSE~1\{90140~1\DW20.EXE
      MD5

      02ee6a3424782531461fb2f10713d3c1

      SHA1

      b581a2c365d93ebb629e8363fd9f69afc673123f

      SHA256

      ead58c483cb20bcd57464f8a4929079539d634f469b213054bf737d227c026dc

      SHA512

      6c9272cb1b6bde3ee887e1463ab30ea76568cb1a285d11393337b78c4ad1c3b7e6ce47646a92ab6d70bff4b02ab9d699b84af9437b720e52dcd35579fe2693ec

    • C:\MSOCache\ALLUSE~1\{90140~1\dwtrig20.exe
      MD5

      cf6c595d3e5e9667667af096762fd9c4

      SHA1

      9bb44da8d7f6457099cb56e4f7d1026963dce7ce

      SHA256

      593e60cc30ae0789448547195af77f550387f6648d45847ea244dd0dd7abf03d

      SHA512

      ff4f789df9e6a6d0fbe12b3250f951fcf11e857906c65e96a30bb46266e7e1180d6103a03db2f3764e0d1346b2de7afba8259ba080057e4a268e45e8654dfa80

    • C:\MSOCache\ALLUSE~1\{9A861~1\ose.exe
      MD5

      58b58875a50a0d8b5e7be7d6ac685164

      SHA1

      1e0b89c1b2585c76e758e9141b846ed4477b0662

      SHA256

      2a0aa0763fdef9c38c5dd4d50703f0c7e27f4903c139804ec75e55f8388139ae

      SHA512

      d67214077162a105d01b11a8e207fab08b45b08fbfba0615a2ea146e1dd99eea35e4f02958a1754d3192292c00caf777f186f0a362e4b8b0da51fabbdb76375b

    • C:\MSOCache\ALLUSE~1\{9A861~1\setup.exe
      MD5

      566ed4f62fdc96f175afedd811fa0370

      SHA1

      d4b47adc40e0d5a9391d3f6f2942d1889dd2a451

      SHA256

      e17cd94c08fc0e001a49f43a0801cea4625fb9aee211b6dfebebec446c21f460

      SHA512

      cdf8f508d396a1a0d2e0fc25f2ae46398b25039a0dafa0919737cc44e3e926ebae4c3aa26f1a3441511430f1a36241f8e61c515a5d9bd98ad4740d4d0f7b8db7

    • C:\PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE
      MD5

      d4fdbb8de6a219f981ffda11aa2b2cc4

      SHA1

      cca2cffd4cf39277cc56ebd050f313de15aabbf6

      SHA256

      ba3dc87fca4641e5f5486c4d50c09d087e65264e6c5c885fa6866f6ccb23167b

      SHA512

      7167e13dbcc8c96114fef5fc7ae19afa31173617db153dd283aa6d8256f6b8c09c8f906f5d418efe9f7f242cdfaef24b93c11c451701c4d56eb48d18de4e88bf

    • C:\PROGRA~2\MICROS~1\Office14\MSOHTMED.EXE
      MD5

      946b2d8f68ca1c24ed6ee4118c78c17b

      SHA1

      bf60e7c43f7bdab08b6102cf701ae97ad6c09d3f

      SHA256

      65353203a36f2ddb752ba64468fe30b903fa4f2225db835a6e6f92cf52e53d8d

      SHA512

      432d592817d0e16fb35bdd0af9a0e7850c889a654f5faee4703d16b64d754e205cad5cb8d17028e6af164a937a950652944558e563b206bc23bc8917c515964c

    • C:\Users\ALLUSE~1\PACKAG~1\{CA675~1\VCREDI~1.EXE
      MD5

      f6636e7fd493f59a5511f08894bba153

      SHA1

      3618061817fdf1155acc0c99b7639b30e3b6936c

      SHA256

      61720d294189141b74631299911d91874aa02e67096a47cfaf56ef03f568bd33

      SHA512

      bd2ae751a37b4c065f0d7f7f7ec19785c1552dfaa4818fdb213fffcf90b7951886131a2b5d7aad843f714be418383fcf09ba1d9548bdbf38fa3d304a092a33d1

    • C:\Users\ALLUSE~1\PACKAG~1\{EF6B0~1\VCREDI~1.EXE
      MD5

      07e194ce831b1846111eb6c8b176c86e

      SHA1

      b9c83ec3b0949cb661878fb1a8b43a073e15baf1

      SHA256

      d882f673ddf40a7ea6d89ce25e4ee55d94a5ef0b5403aa8d86656fd960d0e4ac

      SHA512

      55f9b6d3199aa60d836b6792ae55731236fb2a99c79ce8522e07e579c64eabb88fa413c02632deb87a361dd8490361aa1424beed2e01ba28be220f8c676a1bb5

    • C:\Users\ALLUSE~1\PACKAG~1\{F4220~1\VC_RED~1.EXE
      MD5

      a49eb5f2ad98fffade88c1d337854f89

      SHA1

      2cc197bcf3625751f7e714ac1caf8e554d0be3b1

      SHA256

      99da2b7f53a43e0bc01bb52715a37fa87c7f328b4dfac747d7a152ea22e88449

      SHA512

      4649049a63ce1dfafb632a5b396181bf7fce6364a548660483722329eea13ec0f7df7d7a5c3104e97a1c0f201597fd27d6a1435942a1c1573db2706733aae593

    • C:\Users\Admin\AppData\Local\Temp\3582-490\f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5.exe
      MD5

      4eb5d80cdb10e827692c029635f171a7

      SHA1

      46029f69ba21eea4d701d55480fee9b991f9c052

      SHA256

      5ded8a12139ad93d44491706f2f0124f532d0b43a136179604ae905e2d1ccb01

      SHA512

      051944536afbae0619ebe272e1b6379eab66ef3eedfd4f87dce4c22a6269e69a50523c445bbda7b7d2bc8aaa112d5704609731af87d51f2a15763d564575a464

    • C:\Windows\svchost.com
      MD5

      d1bb9002f9b41f1dd503b9b2d238e961

      SHA1

      12a1b2dca6a63dc395d327b7e4efe72c01869584

      SHA256

      b97b7dc1081d71bebacc15c20a2546e9029ec2c68294a78f29f0cce57ce49520

      SHA512

      40c33e27d80876b0326913f77dc70055f2e1cd89675eb7cec2e9a0c96182fdc16136009176d41be6ed959927bf4aac839586badfcb65622914a5ecce9398d860

    • C:\Windows\svchost.com
      MD5

      d1bb9002f9b41f1dd503b9b2d238e961

      SHA1

      12a1b2dca6a63dc395d327b7e4efe72c01869584

      SHA256

      b97b7dc1081d71bebacc15c20a2546e9029ec2c68294a78f29f0cce57ce49520

      SHA512

      40c33e27d80876b0326913f77dc70055f2e1cd89675eb7cec2e9a0c96182fdc16136009176d41be6ed959927bf4aac839586badfcb65622914a5ecce9398d860

    • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
      MD5

      9e2b9928c89a9d0da1d3e8f4bd96afa7

      SHA1

      ec66cda99f44b62470c6930e5afda061579cde35

      SHA256

      8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

      SHA512

      2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

    • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
      MD5

      9e2b9928c89a9d0da1d3e8f4bd96afa7

      SHA1

      ec66cda99f44b62470c6930e5afda061579cde35

      SHA256

      8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

      SHA512

      2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

    • \PROGRA~2\COMMON~1\MICROS~1\EQUATION\EQNEDT32.EXE
      MD5

      d4fdbb8de6a219f981ffda11aa2b2cc4

      SHA1

      cca2cffd4cf39277cc56ebd050f313de15aabbf6

      SHA256

      ba3dc87fca4641e5f5486c4d50c09d087e65264e6c5c885fa6866f6ccb23167b

      SHA512

      7167e13dbcc8c96114fef5fc7ae19afa31173617db153dd283aa6d8256f6b8c09c8f906f5d418efe9f7f242cdfaef24b93c11c451701c4d56eb48d18de4e88bf

    • \Users\Admin\AppData\Local\Temp\3582-490\f62fef6f3a75f53fe3ce65440f750765635b2e9398a1e486e375c2da2a78d3c5.exe
      MD5

      4eb5d80cdb10e827692c029635f171a7

      SHA1

      46029f69ba21eea4d701d55480fee9b991f9c052

      SHA256

      5ded8a12139ad93d44491706f2f0124f532d0b43a136179604ae905e2d1ccb01

      SHA512

      051944536afbae0619ebe272e1b6379eab66ef3eedfd4f87dce4c22a6269e69a50523c445bbda7b7d2bc8aaa112d5704609731af87d51f2a15763d564575a464

    • memory/1572-54-0x0000000076491000-0x0000000076493000-memory.dmp
      Filesize

      8KB