Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 18 IoCs
  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 10 IoCs
  • Modifies Internet Explorer settings 1 TTPs 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 18 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:1688
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://k.deyiweixiu.cn/c7793e22b29c11de16a5ac32e1dd26507ac5c56194cc069b7140887ee1a0a09f.exe/40.jpg
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:632
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:632 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1944
    • C:\Users\Admin\AppData\Local\Temp\nsdFA97.tmp\9377chiyue_Y_mgaz.exe
      9377chiyue_Y_mgaz.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      PID:1612

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsdFA97.tmp\9377chiyue_Y_mgaz.exe

    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • C:\Users\Admin\AppData\Local\Temp\nsdFA97.tmp\9377chiyue_Y_mgaz.exe

    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\9377chiyue_Y_mgaz.exe

    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\9377chiyue_Y_mgaz.exe

    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\9377chiyue_Y_mgaz.exe

    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\Inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\System.dll

    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

  • \Users\Admin\AppData\Local\Temp\nsdFA97.tmp\nsProcess.dll

    Filesize

    4KB

    MD5

    05450face243b3a7472407b999b03a72

    SHA1

    ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

    SHA256

    95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

    SHA512

    f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

  • \Users\Admin\AppData\Local\Temp\nsz3F83.tmp\System.dll

    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Local\Temp\nsz3F83.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsz3F83.tmp\inetc.dll

    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsz3F83.tmp\ip.dll

    Filesize

    16KB

    MD5

    4df6320e8281512932a6e86c98de2c17

    SHA1

    ae6336192d27874f9cd16cd581f1c091850cf494

    SHA256

    7744a495ceacf8584d4f6786699e94a09935a94929d4861142726562af53faa4

    SHA512

    7c468de59614f506a2ce8445ef00267625e5a8e483913cdd18636cea543be0ca241891e75979a55bb67eecc11a7ac0649b48b55a10e9a01362a0250839462d3b

  • memory/1612-65-0x0000000000000000-mapping.dmp

  • memory/1688-54-0x0000000075601000-0x0000000075603000-memory.dmp

    Filesize

    8KB