Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 17:58

General

  • Target

    53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe

  • Size

    653KB

  • MD5

    6177d84fbe7ff6fd30d38a0fa6c5d976

  • SHA1

    e5ab171fae6f91a35877e9aa1a2f01754bdce8ee

  • SHA256

    53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d

  • SHA512

    5720ab84d9e7ba7a9161ce9441c9ff7388a9baccd14493c0544a3b14d737526266dc171d52685403ac51182a37301517866fd83cd36c3c3226bacd481ba86c8e

  • SSDEEP

    12288:g4xizcj8t1a3PE2T6COT5Sxtot9/+/PjQiy4DYztS81vLopTOGGOGA:g4wzcAtm2DNS7ot92/rREztS81ExDGDA

Malware Config

Signatures

  • 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 8 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 2 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 AdjustPrivilegeToken 12 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe
    "C:\Users\Admin\AppData\Local\Temp\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.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:1404
    • C:\Users\Admin\AppData\Local\Temp\3582-490\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2032
      • \??\c:\d35bfab8f8f43e1a305bb296\update\update.exe
        c:\d35bfab8f8f43e1a305bb296\update\update.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:768

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\3582-490\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe

          Filesize

          613KB

          MD5

          dfc381af1f1f93a79bc529d34a125a5e

          SHA1

          7cb1ac36cc4587d2bcedace853d350439f5522e1

          SHA256

          de0ad0623d5e4fcc691efa3ede5b141ffbb2f222755f768e79528dd53e208394

          SHA512

          4a6274e2e36c4162e5ec47d46240d7eea48e1c8fb1bb81d8fc15c1cbd824f6bd5016d43f440b004e7dd29b8894928eb82c5b5cab4d0dd713fa095206208487af

        • C:\Users\Admin\AppData\Local\Temp\3582-490\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe

          Filesize

          613KB

          MD5

          dfc381af1f1f93a79bc529d34a125a5e

          SHA1

          7cb1ac36cc4587d2bcedace853d350439f5522e1

          SHA256

          de0ad0623d5e4fcc691efa3ede5b141ffbb2f222755f768e79528dd53e208394

          SHA512

          4a6274e2e36c4162e5ec47d46240d7eea48e1c8fb1bb81d8fc15c1cbd824f6bd5016d43f440b004e7dd29b8894928eb82c5b5cab4d0dd713fa095206208487af

        • C:\d35bfab8f8f43e1a305bb296\update\update.exe

          Filesize

          622KB

          MD5

          8647f4bb5e731fca2a77b87a0f9fac04

          SHA1

          e1b27178e18a0398e1be57213f01e79ab2a7d1ac

          SHA256

          9ae9d0439b5616fea15d279821524e4a3669142667e43bf594ee5894aed096d4

          SHA512

          4e903c66c7b4e675a74f8a177c6215c0be72292eaee49334522624461d68a09d9da59708191c6cb3362b989bdd9a78cc7f081f639a848214eca9e2c47ab3ebed

        • \??\c:\d35bfab8f8f43e1a305bb296\Update\HDAUpdate_Srv2k3.inf

          Filesize

          6KB

          MD5

          ea369c80464f2e87bbc909a53f001421

          SHA1

          5bb3870ce1f1a444bd79166c7c1fbf2da5609211

          SHA256

          c2d97955c834fb6d97396731c66866c0498e0d8a3b18986280c2430a436be1c9

          SHA512

          ff0ae1590874497f3e9a1ca35fcf9968c63ad1c4690677570b224848bc8115b6508e3514ef12c8b3c45510231d86c82d03b050db33462260a59a58b38e1e5ca5

        • \??\c:\d35bfab8f8f43e1a305bb296\update\update.exe

          Filesize

          622KB

          MD5

          8647f4bb5e731fca2a77b87a0f9fac04

          SHA1

          e1b27178e18a0398e1be57213f01e79ab2a7d1ac

          SHA256

          9ae9d0439b5616fea15d279821524e4a3669142667e43bf594ee5894aed096d4

          SHA512

          4e903c66c7b4e675a74f8a177c6215c0be72292eaee49334522624461d68a09d9da59708191c6cb3362b989bdd9a78cc7f081f639a848214eca9e2c47ab3ebed

        • \??\c:\d35bfab8f8f43e1a305bb296\update\updatebr.inf

          Filesize

          387B

          MD5

          05ffc8f5b730218b7348db3c5ea6e8ed

          SHA1

          96383215f5d7688e20e3e996015d0b87c962595c

          SHA256

          fb35807db481a00babb273cf723e595ec2cd1ffb4f8f182d00bf973269d8e724

          SHA512

          1093e07b4281d1c17ba239bb06abbe3b11513f9066bb37909d850fdf775b85be178ea14a6a622d42afb6fe3307e7862c4a3dd7a37249e491a14c44b283c30b1a

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

          Filesize

          252KB

          MD5

          9e2b9928c89a9d0da1d3e8f4bd96afa7

          SHA1

          ec66cda99f44b62470c6930e5afda061579cde35

          SHA256

          8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

          SHA512

          2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

        • \Users\Admin\AppData\Local\Temp\3582-490\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe

          Filesize

          613KB

          MD5

          dfc381af1f1f93a79bc529d34a125a5e

          SHA1

          7cb1ac36cc4587d2bcedace853d350439f5522e1

          SHA256

          de0ad0623d5e4fcc691efa3ede5b141ffbb2f222755f768e79528dd53e208394

          SHA512

          4a6274e2e36c4162e5ec47d46240d7eea48e1c8fb1bb81d8fc15c1cbd824f6bd5016d43f440b004e7dd29b8894928eb82c5b5cab4d0dd713fa095206208487af

        • \Users\Admin\AppData\Local\Temp\3582-490\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe

          Filesize

          613KB

          MD5

          dfc381af1f1f93a79bc529d34a125a5e

          SHA1

          7cb1ac36cc4587d2bcedace853d350439f5522e1

          SHA256

          de0ad0623d5e4fcc691efa3ede5b141ffbb2f222755f768e79528dd53e208394

          SHA512

          4a6274e2e36c4162e5ec47d46240d7eea48e1c8fb1bb81d8fc15c1cbd824f6bd5016d43f440b004e7dd29b8894928eb82c5b5cab4d0dd713fa095206208487af

        • \Users\Admin\AppData\Local\Temp\3582-490\53739795a0766186533b78e6ce794e99e7129d8e3750aaba0055cd9e78ee264d.exe

          Filesize

          613KB

          MD5

          dfc381af1f1f93a79bc529d34a125a5e

          SHA1

          7cb1ac36cc4587d2bcedace853d350439f5522e1

          SHA256

          de0ad0623d5e4fcc691efa3ede5b141ffbb2f222755f768e79528dd53e208394

          SHA512

          4a6274e2e36c4162e5ec47d46240d7eea48e1c8fb1bb81d8fc15c1cbd824f6bd5016d43f440b004e7dd29b8894928eb82c5b5cab4d0dd713fa095206208487af

        • \d35bfab8f8f43e1a305bb296\update\update.exe

          Filesize

          622KB

          MD5

          8647f4bb5e731fca2a77b87a0f9fac04

          SHA1

          e1b27178e18a0398e1be57213f01e79ab2a7d1ac

          SHA256

          9ae9d0439b5616fea15d279821524e4a3669142667e43bf594ee5894aed096d4

          SHA512

          4e903c66c7b4e675a74f8a177c6215c0be72292eaee49334522624461d68a09d9da59708191c6cb3362b989bdd9a78cc7f081f639a848214eca9e2c47ab3ebed

        • \d35bfab8f8f43e1a305bb296\update\update.exe

          Filesize

          622KB

          MD5

          8647f4bb5e731fca2a77b87a0f9fac04

          SHA1

          e1b27178e18a0398e1be57213f01e79ab2a7d1ac

          SHA256

          9ae9d0439b5616fea15d279821524e4a3669142667e43bf594ee5894aed096d4

          SHA512

          4e903c66c7b4e675a74f8a177c6215c0be72292eaee49334522624461d68a09d9da59708191c6cb3362b989bdd9a78cc7f081f639a848214eca9e2c47ab3ebed

        • \d35bfab8f8f43e1a305bb296\update\update.exe

          Filesize

          622KB

          MD5

          8647f4bb5e731fca2a77b87a0f9fac04

          SHA1

          e1b27178e18a0398e1be57213f01e79ab2a7d1ac

          SHA256

          9ae9d0439b5616fea15d279821524e4a3669142667e43bf594ee5894aed096d4

          SHA512

          4e903c66c7b4e675a74f8a177c6215c0be72292eaee49334522624461d68a09d9da59708191c6cb3362b989bdd9a78cc7f081f639a848214eca9e2c47ab3ebed

        • \d35bfab8f8f43e1a305bb296\update\update.exe

          Filesize

          622KB

          MD5

          8647f4bb5e731fca2a77b87a0f9fac04

          SHA1

          e1b27178e18a0398e1be57213f01e79ab2a7d1ac

          SHA256

          9ae9d0439b5616fea15d279821524e4a3669142667e43bf594ee5894aed096d4

          SHA512

          4e903c66c7b4e675a74f8a177c6215c0be72292eaee49334522624461d68a09d9da59708191c6cb3362b989bdd9a78cc7f081f639a848214eca9e2c47ab3ebed

        • memory/1404-54-0x0000000075451000-0x0000000075453000-memory.dmp

          Filesize

          8KB