Analysis

  • max time kernel
    203s
  • max time network
    208s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 11:02

General

  • Target

    2a8799bf52ffcd9cdab542ff527dabe68ba6fd50e57a5d86d74755f656e659f0.exe

  • Size

    257KB

  • MD5

    589591d5d3158f31a8bcca37bf48a22b

  • SHA1

    12e3c9117bfba267a7f58fc35d15a92e5900d7f0

  • SHA256

    2a8799bf52ffcd9cdab542ff527dabe68ba6fd50e57a5d86d74755f656e659f0

  • SHA512

    a5700594f9de303a37b313225c2800cd3c6e3ca846c420b6327779049e551b7da1ddec167cb106df8a149ce3c8996b51aed1abed784ec594d14a78036ca369e2

  • SSDEEP

    6144:8e34LSvo5Pk5R1hci6lriZd9iUxjwKJ1XJ+UaaoPkFH0s:jviSThSriZdcUJld+paoPkD

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 8 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2a8799bf52ffcd9cdab542ff527dabe68ba6fd50e57a5d86d74755f656e659f0.exe
    "C:\Users\Admin\AppData\Local\Temp\2a8799bf52ffcd9cdab542ff527dabe68ba6fd50e57a5d86d74755f656e659f0.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" http://k.deyiweixiu.cn/2a8799bf52ffcd9cdab542ff527dabe68ba6fd50e57a5d86d74755f656e659f0.exe/40.jpg
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1696
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1696 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:1624
    • C:\Users\Admin\AppData\Local\Temp\nseE4E5.tmp\9377chiyue_Y_mgaz.exe
      9377chiyue_Y_mgaz.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in Program Files directory
      PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nseE4E5.tmp\9377chiyue_Y_mgaz.exe
    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • C:\Users\Admin\AppData\Local\Temp\nseE4E5.tmp\9377chiyue_Y_mgaz.exe
    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\9377chiyue_Y_mgaz.exe
    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\9377chiyue_Y_mgaz.exe
    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\9377chiyue_Y_mgaz.exe
    Filesize

    674KB

    MD5

    e258e77914272054d942bc9cb27ca477

    SHA1

    786c0c24b88898fb008da18b2ea7488b6a619fe4

    SHA256

    b34280131cf2daf8c71dfaf202a84904234faefdee19b4ab8d73ce2052cead4a

    SHA512

    1f9e50b18ec42fb78853729b19d88a17bb26fafcec735a8400e9d1acf20e49b9532e3fb0ecdddd0cc1e385907ac2d76d144971f513ac526a4e113ce31c98f50f

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\Inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\System.dll
    Filesize

    11KB

    MD5

    00a0194c20ee912257df53bfe258ee4a

    SHA1

    d7b4e319bc5119024690dc8230b9cc919b1b86b2

    SHA256

    dc4da2ccadb11099076926b02764b2b44ad8f97cd32337421a4cc21a3f5448f3

    SHA512

    3b38a2c17996c3b77ebf7b858a6c37415615e756792132878d8eddbd13cb06710b7da0e8b58104768f8e475fc93e8b44b3b1ab6f70ddf52edee111aaf5ef5667

  • \Users\Admin\AppData\Local\Temp\nseE4E5.tmp\nsProcess.dll
    Filesize

    4KB

    MD5

    05450face243b3a7472407b999b03a72

    SHA1

    ffd88af2e338ae606c444390f7eaaf5f4aef2cd9

    SHA256

    95fe9d92512ff2318cc2520311ef9145b2cee01209ab0e1b6e45c7ce1d4d0e89

    SHA512

    f4cbe30166aff20a226a7150d93a876873ba699d80d7e9f46f32a9b4753fa7966c3113a3124340b39ca67a13205463a413e740e541e742903e3f89af5a53ad3b

  • \Users\Admin\AppData\Local\Temp\nsu20DC.tmp\System.dll
    Filesize

    11KB

    MD5

    c17103ae9072a06da581dec998343fc1

    SHA1

    b72148c6bdfaada8b8c3f950e610ee7cf1da1f8d

    SHA256

    dc58d8ad81cacb0c1ed72e33bff8f23ea40b5252b5bb55d393a0903e6819ae2f

    SHA512

    d32a71aaef18e993f28096d536e41c4d016850721b31171513ce28bbd805a54fd290b7c3e9d935f72e676a1acfb4f0dcc89d95040a0dd29f2b6975855c18986f

  • \Users\Admin\AppData\Local\Temp\nsu20DC.tmp\inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsu20DC.tmp\inetc.dll
    Filesize

    20KB

    MD5

    50fdadda3e993688401f6f1108fabdb4

    SHA1

    04a9ae55d0fb726be49809582cea41d75bf22a9a

    SHA256

    6d6ddc0d2b7d59eb91be44939457858ced5eb23cf4aa93ef33bb600eb28de6f6

    SHA512

    e9628870feea8c3aaefe22a2af41cf34b1c1778c4a0e81d069f50553ce1a23f68a0ba74b296420b2be92425d4995a43e51c018c2e8197ec2ec39305e87c56be8

  • \Users\Admin\AppData\Local\Temp\nsu20DC.tmp\ip.dll
    Filesize

    16KB

    MD5

    4df6320e8281512932a6e86c98de2c17

    SHA1

    ae6336192d27874f9cd16cd581f1c091850cf494

    SHA256

    7744a495ceacf8584d4f6786699e94a09935a94929d4861142726562af53faa4

    SHA512

    7c468de59614f506a2ce8445ef00267625e5a8e483913cdd18636cea543be0ca241891e75979a55bb67eecc11a7ac0649b48b55a10e9a01362a0250839462d3b

  • memory/1164-65-0x0000000000000000-mapping.dmp
  • memory/2040-54-0x0000000074FD1000-0x0000000074FD3000-memory.dmp
    Filesize

    8KB