Analysis

  • max time kernel
    151s
  • max time network
    181s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:03

General

  • Target

    c3963d6a2d6edcc09d0cc4543d8b078f09b6834f16fade41d39cea921dd81c9b.exe

  • Size

    150KB

  • MD5

    901014e70ffb06befe1df35e583e85e1

  • SHA1

    1e920cad738b933d0c8289b9dd6fd036c8fd0547

  • SHA256

    c3963d6a2d6edcc09d0cc4543d8b078f09b6834f16fade41d39cea921dd81c9b

  • SHA512

    f74ac92f8da25a244512a9485da769a185da685744bf3391bd78bdc5de97cee0caf7041f45df0f57b371a6238b3899dc99a654547595d736135bda43bfca334b

  • SSDEEP

    3072:zQIURTXJ0hccNcAG9SpmnvMvHPcWLur1YfOo9ONR8Xq1ZoWeH06:zsUccNcnE055YfNANR8soWeU6

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 8 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3963d6a2d6edcc09d0cc4543d8b078f09b6834f16fade41d39cea921dd81c9b.exe
    "C:\Users\Admin\AppData\Local\Temp\c3963d6a2d6edcc09d0cc4543d8b078f09b6834f16fade41d39cea921dd81c9b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1536
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://f.shuianshanba.com/c3963d6a2d6edcc09d0cc4543d8b078f09b6834f16fade41d39cea921dd81c9b.exe/sohu.jpg
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:580
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:580 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1620

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Program Files (x86)\NetSetup\uninst.exe

    Filesize

    150KB

    MD5

    901014e70ffb06befe1df35e583e85e1

    SHA1

    1e920cad738b933d0c8289b9dd6fd036c8fd0547

    SHA256

    c3963d6a2d6edcc09d0cc4543d8b078f09b6834f16fade41d39cea921dd81c9b

    SHA512

    f74ac92f8da25a244512a9485da769a185da685744bf3391bd78bdc5de97cee0caf7041f45df0f57b371a6238b3899dc99a654547595d736135bda43bfca334b

  • \Users\Admin\AppData\Local\Temp\nso8D16.tmp\NsProcess.dll

    Filesize

    4KB

    MD5

    05450face243b3a7472407b999b03a72

    SHA1

    ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

    SHA256

    95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

    SHA512

    f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

  • \Users\Admin\AppData\Local\Temp\nso8D16.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Local\Temp\nso8D16.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nso8D16.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nso8D16.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nso8D16.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nso8D16.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • memory/1536-54-0x0000000075A31000-0x0000000075A33000-memory.dmp

    Filesize

    8KB