Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    29/10/2022, 13:58

General

  • Target

    38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe

  • Size

    1.8MB

  • MD5

    96c7c646dc9e6d9a7aa2c7a9b429d9c5

  • SHA1

    b95bbd0d5385d15d592ab5a52afdb33e5bdc00f5

  • SHA256

    38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337

  • SHA512

    0a98b466927a4652b12e7f0347b75a96856d51a2f0c0cf8f64c17849bbfcb11d48f41668f6ebfd7715ac3a1fac0f7a84eca6df0090f014015b0a0b21c7dedc44

  • SSDEEP

    24576:BIYog+WVlH6r4vh5e9VsfulBUSPfA6ywcQIaJUqpuuPkdY8iIwTNrpV4hLW7HI5:+gdlHE9sC+SjyOzpnkdY8iDTNrpqhLwM

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 43 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 10 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe
    "C:\Users\Admin\AppData\Local\Temp\38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe"
    1⤵
    • Loads dropped DLL
    • Modifies Internet Explorer settings
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2044
    • C:\Users\Admin\AppData\Local\Temp\copy38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe
      "C:\Users\Admin\AppData\Local\Temp\copy38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe" C:\Users\Admin\AppData\Local\Temp\copy38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1756
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://jc.110160.com/ad.htm
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1960
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1960 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1464
  • C:\Windows\system32\AUDIODG.EXE
    C:\Windows\system32\AUDIODG.EXE 0x500
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:536

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    340B

    MD5

    cdeba4bb829e682e7d7246f9ced3d4e7

    SHA1

    57961522df7efa5071297dc184ee027e7a1533b7

    SHA256

    ce735f69ac45a32749e4c723c107a8ab90efb9d6ecc54c34afe29c2ad621da5a

    SHA512

    ed9ef46d70082647bdff42f2544c1dc7fe3cd617c4fde9ed11fa59df5fd45d916266cccacb4a309cc2067beb858d9e5d7dd6be5694aa9de9a6a32414bea1c73d

  • C:\Users\Admin\AppData\Local\Temp\copy38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe

    Filesize

    1.8MB

    MD5

    96c7c646dc9e6d9a7aa2c7a9b429d9c5

    SHA1

    b95bbd0d5385d15d592ab5a52afdb33e5bdc00f5

    SHA256

    38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337

    SHA512

    0a98b466927a4652b12e7f0347b75a96856d51a2f0c0cf8f64c17849bbfcb11d48f41668f6ebfd7715ac3a1fac0f7a84eca6df0090f014015b0a0b21c7dedc44

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\WTL7DGS9.txt

    Filesize

    606B

    MD5

    52701f2bba85727cdecfe2dd7e4faa82

    SHA1

    b0d6722db0e325eb3fea1191d8f888cb17640034

    SHA256

    ca5c21dfaa387586cb3806a7998219e145846135147155266d901badcc9d9ffc

    SHA512

    fe47445eef0121e3b907d1b1cf8a19a3891c437370eb23431442657d110b18ea07bc7018f74fd4af9ed69ee06eeeea659b06f80cd1eaf817e1ea47af381141d6

  • \Users\Admin\AppData\Local\Temp\copy38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337.exe

    Filesize

    1.8MB

    MD5

    96c7c646dc9e6d9a7aa2c7a9b429d9c5

    SHA1

    b95bbd0d5385d15d592ab5a52afdb33e5bdc00f5

    SHA256

    38255e8641de7f8364cc6caa02abdb203675871f96aa7ebb98a8e5b5a2b1a337

    SHA512

    0a98b466927a4652b12e7f0347b75a96856d51a2f0c0cf8f64c17849bbfcb11d48f41668f6ebfd7715ac3a1fac0f7a84eca6df0090f014015b0a0b21c7dedc44

  • memory/2044-54-0x0000000075F81000-0x0000000075F83000-memory.dmp

    Filesize

    8KB