Analysis

  • max time kernel
    152s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 11:01

General

  • Target

    c7793e22b29c11de16a5ac32e1dd26507ac5c56194cc069b7140887ee1a0a09f.exe

  • Size

    266KB

  • MD5

    94835fce03d69c2a075fd5516a25c491

  • SHA1

    ce0fd9b294b6a848b9e31330af04759db3fd7311

  • SHA256

    c7793e22b29c11de16a5ac32e1dd26507ac5c56194cc069b7140887ee1a0a09f

  • SHA512

    c2323cc81a6aa0db2ed02129f84d6b54493792d53072134f8846fbf0571b1dec72b9fcfe853ab2d72a92043bd74e67873671ac2ecb9a214e719c5f427fe0bac5

  • SSDEEP

    6144:PsDe+4PR09djB4xXuVtCKhxfMIatpgITddVx/JEbxFew9el:0Jf9d+x+VbhxfMHtpggdVx/Sbxn9K

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 13 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c7793e22b29c11de16a5ac32e1dd26507ac5c56194cc069b7140887ee1a0a09f.exe
    "C:\Users\Admin\AppData\Local\Temp\c7793e22b29c11de16a5ac32e1dd26507ac5c56194cc069b7140887ee1a0a09f.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4320
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://k.deyiweixiu.cn/c7793e22b29c11de16a5ac32e1dd26507ac5c56194cc069b7140887ee1a0a09f.exe/40.jpg
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3436
      • 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,0x100,0xd4,0x104,0x7ff82eee46f8,0x7ff82eee4708,0x7ff82eee4718
        3⤵
          PID:4620

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\Inetc.dll

      Filesize

      20KB

      MD5

      50fdadda3e993688401f6f1108fabdb4

      SHA1

      04a9ae55d0fb726be49809582cea41d75bf22a9a

      SHA256

      6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

      SHA512

      e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\System.dll

      Filesize

      11KB

      MD5

      00a0194c20ee912257df53bfe258ee4a

      SHA1

      d7b4e319bc5119024690dc8230b9cc919b1b86b2

      SHA256

      dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

      SHA512

      3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\nsProcess.dll

      Filesize

      4KB

      MD5

      05450face243b3a7472407b999b03a72

      SHA1

      ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

      SHA256

      95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

      SHA512

      f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

    • C:\Users\Admin\AppData\Local\Temp\nsj85C1.tmp\nsProcess.dll

      Filesize

      4KB

      MD5

      05450face243b3a7472407b999b03a72

      SHA1

      ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

      SHA256

      95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

      SHA512

      f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

    • memory/3436-147-0x0000000000000000-mapping.dmp

    • memory/4320-137-0x0000000004F51000-0x0000000004F54000-memory.dmp

      Filesize

      12KB

    • memory/4320-143-0x0000000000551000-0x0000000000554000-memory.dmp

      Filesize

      12KB

    • memory/4620-151-0x0000000000000000-mapping.dmp