Analysis

  • max time kernel
    151s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 11:02

General

  • Target

    56d942f0760961142fa754ce5edddeda6e3e73a6b15b685fad85d01be6c7a2d1.exe

  • Size

    316KB

  • MD5

    a18738863ee728e155c652c61cc61d52

  • SHA1

    beca3574ad3273c45ad5e678a222836d622ae61e

  • SHA256

    56d942f0760961142fa754ce5edddeda6e3e73a6b15b685fad85d01be6c7a2d1

  • SHA512

    777eb922cd5c498083885d2e6b39ecaf06c8cc95c441ed50eed92a58913f661444fbdc9b878b4b073e02367213cd23e15fa15c13d9e76a4462afc5c353d22980

  • SSDEEP

    6144:HsPqhWDsCaZ2OJ+4PR09djB4xXuVtCKhxfMIatpgITddVx/JEbxFew9eQ:KsdMf9d+x+VbhxfMHtpggdVx/Sbxn9b

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 26 IoCs
  • Drops file in Program Files directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56d942f0760961142fa754ce5edddeda6e3e73a6b15b685fad85d01be6c7a2d1.exe
    "C:\Users\Admin\AppData\Local\Temp\56d942f0760961142fa754ce5edddeda6e3e73a6b15b685fad85d01be6c7a2d1.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://k.deyiweixiu.cn/56d942f0760961142fa754ce5edddeda6e3e73a6b15b685fad85d01be6c7a2d1.exe/40.jpg
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1888
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xf8,0xfc,0x100,0xd4,0x104,0x7ffb3dd546f8,0x7ffb3dd54708,0x7ffb3dd54718
        3⤵
          PID:1616
      • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\9377chiyue_Y_mgaz.exe
        9377chiyue_Y_mgaz.exe
        2⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        PID:4160

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\9377chiyue_Y_mgaz.exe
      Filesize

      674KB

      MD5

      e258e77914272054d942bc9cb27ca477

      SHA1

      786c0c24b88898fb008da18b2ea7488b6a619fe4

      SHA256

      b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

      SHA512

      1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\9377chiyue_Y_mgaz.exe
      Filesize

      674KB

      MD5

      e258e77914272054d942bc9cb27ca477

      SHA1

      786c0c24b88898fb008da18b2ea7488b6a619fe4

      SHA256

      b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

      SHA512

      1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\Inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\System.dll
      Filesize

      11KB

      MD5

      00a0194c20ee912257df53bfe258ee4a

      SHA1

      d7b4e319bc5119024690dc8230b9cc919b1b86b2

      SHA256

      dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

      SHA512

      3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\nsProcess.dll
      Filesize

      4KB

      MD5

      05450face243b3a7472407b999b03a72

      SHA1

      ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

      SHA256

      95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

      SHA512

      f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

    • C:\Users\Admin\AppData\Local\Temp\nsh99A7.tmp\nsProcess.dll
      Filesize

      4KB

      MD5

      05450face243b3a7472407b999b03a72

      SHA1

      ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

      SHA256

      95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

      SHA512

      f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

    • C:\Users\Admin\AppData\Local\Temp\nsoC12A.tmp\System.dll
      Filesize

      11KB

      MD5

      c17103ae9072a06da581dec998343fc1

      SHA1

      b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

      SHA256

      dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

      SHA512

      d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

    • C:\Users\Admin\AppData\Local\Temp\nsoC12A.tmp\inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsoC12A.tmp\inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsoC12A.tmp\inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsoC12A.tmp\inetc.dll
      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsoC12A.tmp\ip.dll
      Filesize

      16KB

      MD5

      4df6320e8281512932a6e86c98de2c17

      SHA1

      ae6336192d27874f9cd16cd581f1c091850cf494

      SHA256

      7744a495ceacf8584d4f6786699e94a09935a94929d4861142726562af53faa4

      SHA512

      7c468de59614f506a2ce8445ef00267625e5a8e483913cdd18636cea543be0ca241891e75979a55bb67eecc11a7ac0649b48b55a10e9a01362a0250839462d3b

    • C:\Users\Admin\AppData\Local\Temp\nsoC12A.tmp\ip.dll
      Filesize

      16KB

      MD5

      4df6320e8281512932a6e86c98de2c17

      SHA1

      ae6336192d27874f9cd16cd581f1c091850cf494

      SHA256

      7744a495ceacf8584d4f6786699e94a09935a94929d4861142726562af53faa4

      SHA512

      7c468de59614f506a2ce8445ef00267625e5a8e483913cdd18636cea543be0ca241891e75979a55bb67eecc11a7ac0649b48b55a10e9a01362a0250839462d3b

    • memory/1420-140-0x0000000004F61000-0x0000000004F64000-memory.dmp
      Filesize

      12KB

    • memory/1420-143-0x0000000004DF1000-0x0000000004DF4000-memory.dmp
      Filesize

      12KB

    • memory/1420-146-0x0000000000451000-0x0000000000454000-memory.dmp
      Filesize

      12KB

    • memory/1616-154-0x0000000000000000-mapping.dmp
    • memory/1888-150-0x0000000000000000-mapping.dmp
    • memory/4160-170-0x0000000000681000-0x0000000000684000-memory.dmp
      Filesize

      12KB

    • memory/4160-161-0x0000000000000000-mapping.dmp
    • memory/4160-173-0x0000000000681000-0x0000000000684000-memory.dmp
      Filesize

      12KB