Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    05-11-2023 16:00

General

  • Target

    NEAS.74687ec1de6d49e2dfd11d5c4f0c45a0_JC.exe

  • Size

    217KB

  • MD5

    74687ec1de6d49e2dfd11d5c4f0c45a0

  • SHA1

    004f7135db1386be0ed6689dde4a5a8977fd213b

  • SHA256

    f3913f342925a194afa64bbf41f7353dc2c735380163fad906f4bcb8d31b0d36

  • SHA512

    7aa708ab661ea67f686e27aa2f8fdf045dbc76c3880f82d0ced8226bb9f4921612088d349b22e60996e77714f79eb8ee3ba16a49e558196e67aa15df5600cb9a

  • SSDEEP

    6144:/rRaTyDOnlo7eM+mlkWgRXOqobzWjozm2ulYM6Y:DsTbzu1glovW4EH6Y

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.74687ec1de6d49e2dfd11d5c4f0c45a0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.74687ec1de6d49e2dfd11d5c4f0c45a0_JC.exe"
    1⤵
    • Loads dropped DLL
    • Modifies WinLogon
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:292
    • C:\Windows\apppatch\svchost.exe
      "C:\Windows\apppatch\svchost.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Modifies WinLogon
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      PID:2428

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    9837a2f79e9ec2a29f09486f8f645655

    SHA1

    c6aae0bd9b93f20cddcc480a4e0a9a1314844570

    SHA256

    875efc9710d828064a1ff8f9d247922de81454358b69a9d7c26b73cfee47747f

    SHA512

    3b8b177eb16311f7cbd6bcc6d0d1b3d7ccd994450a6b3a0e3d8707a083bd142204ec46070466c9bd98ce4278dbfd16fd939561e37b409f663684550f2600ab03

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

    Filesize

    344B

    MD5

    7b7e266273b4d376b01422932bd0f27f

    SHA1

    d8edea53a4ce183ff93074e3584fd62982c96e2b

    SHA256

    5c876be1bfdb3b046590778d6ca0b99400074c56d7d130eee083ee307000d9f3

    SHA512

    e094205961351106e56db8201b0d4bb1b4303cae462d534d8cb7c06d1d9f6a30bbbd3e7c4910dcecb0b92ca62e1c2639a52b8c1eb2d839dc45435c91fca65bbb

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

    Filesize

    344B

    MD5

    f1a997ff67647f61d07a573d61d41e2f

    SHA1

    4018ebfac71b695385507b3839abaa8848884215

    SHA256

    b42d3315a5ea931e15774edb1da17e81117d244138a84b0763208bc6b4be4e9b

    SHA512

    570ebb6a83aaeff81d6abd5adbe4f6bf9f8f0b5009920e7e6e96f69bbd1978c2bd93c20582858dc9ef46d2776919b3756cc4abfdc7fcad79f51aeda108ad59d6

  • C:\Users\Admin\AppData\Local\Temp\6426.tmp

    Filesize

    2KB

    MD5

    f993475a2a1c1b7e6d1c7e6c59e9186c

    SHA1

    7215bfe1a219ee34160e00a95123c84f87dd2289

    SHA256

    69a187cef32a8cc036ac7a65d990a08371379cae6315d6b1464c37e6cbaaf5ac

    SHA512

    b89a1c65d7174b436aaf8bf5b4a72cbeed72825eca5dbf00ec41c720d9bc31fd736f8715e309e6b5c5ef9511d7cc824109a8e46afbee3774d6528bbdb0ec447f

  • C:\Users\Admin\AppData\Local\Temp\9CAD.tmp

    Filesize

    1KB

    MD5

    d4fa59e584d50ceeec181bdc9845a69d

    SHA1

    748f9a8d4ab2e4f8cdea83191404dc6e5d760d93

    SHA256

    05523677fcf09766cbd49bdcec5668aab996448e9bfd07a037259931665cfca0

    SHA512

    0888b5ce95455e2e249afc014d3be295109252fd80a154275b0102a4df579a24f798117ce6f22bc004c99f43c90db7c092b4422348305e289ad0d00d04ae47a3

  • C:\Users\Admin\AppData\Local\Temp\A2F0.tmp

    Filesize

    2KB

    MD5

    fb43170c863210e38d306278ca5c0643

    SHA1

    5eaa2a32eebdcc2825a6af6327cf0bfe1d307b0b

    SHA256

    a8adaa79decf78d5a8f5d336ac283b65f2fe5296dcbe94640c97b445c9fdca98

    SHA512

    e3af7f591aee84f3c8894b3a5b2a4582aa68444b8e39761c2532da4c3f5c70f9a264012c026be2a5a9a850ee92e9bfb4da05a14335d9c965b82bb0eabbb4011f

  • C:\Users\Admin\AppData\Local\Temp\BD4A.tmp

    Filesize

    593B

    MD5

    926512864979bc27cf187f1de3f57aff

    SHA1

    acdeb9d6187932613c7fa08eaf28f0cd8116f4b5

    SHA256

    b3e893a653ec06c05ee90f2f6e98cc052a92f6616d7cca8c416420e178dcc73f

    SHA512

    f6f9fd3ca9305bec879cfcd38e64111a18e65e30d25c49e9f2cd546cbab9b2dcd03eca81952f6b77c0eaab20192ef7bef0d8d434f6f371811929e75f8620633b

  • C:\Users\Admin\AppData\Local\Temp\CabA095.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarAB53.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    40569478399884fc7c7952d5ccd6c047

    SHA1

    9391fbf0c6ae62dd0e8af86d384ef9df9b8ad2ed

    SHA256

    723a15b1592c52ce7152c761418fe7a99cc260e6005bb26008fb8252738fddc7

    SHA512

    9ec86dc4a50258e00846a0f382ea3056a7e7c8d1413b765880cb28e4deca83e6879647b4fbf1c4844351daf7c06551ddb5b4a31857b7be7f5f9669849e2e2112

  • C:\Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    40569478399884fc7c7952d5ccd6c047

    SHA1

    9391fbf0c6ae62dd0e8af86d384ef9df9b8ad2ed

    SHA256

    723a15b1592c52ce7152c761418fe7a99cc260e6005bb26008fb8252738fddc7

    SHA512

    9ec86dc4a50258e00846a0f382ea3056a7e7c8d1413b765880cb28e4deca83e6879647b4fbf1c4844351daf7c06551ddb5b4a31857b7be7f5f9669849e2e2112

  • C:\Windows\apppatch\svchost.exe

    Filesize

    217KB

    MD5

    40569478399884fc7c7952d5ccd6c047

    SHA1

    9391fbf0c6ae62dd0e8af86d384ef9df9b8ad2ed

    SHA256

    723a15b1592c52ce7152c761418fe7a99cc260e6005bb26008fb8252738fddc7

    SHA512

    9ec86dc4a50258e00846a0f382ea3056a7e7c8d1413b765880cb28e4deca83e6879647b4fbf1c4844351daf7c06551ddb5b4a31857b7be7f5f9669849e2e2112

  • \Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    40569478399884fc7c7952d5ccd6c047

    SHA1

    9391fbf0c6ae62dd0e8af86d384ef9df9b8ad2ed

    SHA256

    723a15b1592c52ce7152c761418fe7a99cc260e6005bb26008fb8252738fddc7

    SHA512

    9ec86dc4a50258e00846a0f382ea3056a7e7c8d1413b765880cb28e4deca83e6879647b4fbf1c4844351daf7c06551ddb5b4a31857b7be7f5f9669849e2e2112

  • \Windows\AppPatch\svchost.exe

    Filesize

    217KB

    MD5

    40569478399884fc7c7952d5ccd6c047

    SHA1

    9391fbf0c6ae62dd0e8af86d384ef9df9b8ad2ed

    SHA256

    723a15b1592c52ce7152c761418fe7a99cc260e6005bb26008fb8252738fddc7

    SHA512

    9ec86dc4a50258e00846a0f382ea3056a7e7c8d1413b765880cb28e4deca83e6879647b4fbf1c4844351daf7c06551ddb5b4a31857b7be7f5f9669849e2e2112

  • memory/292-16-0x0000000000790000-0x00000000007E1000-memory.dmp

    Filesize

    324KB

  • memory/292-18-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/292-2-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/292-1-0x0000000000790000-0x00000000007E1000-memory.dmp

    Filesize

    324KB

  • memory/292-0-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2428-51-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-64-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-35-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-40-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-39-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-42-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-43-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-41-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-44-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-45-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-46-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-47-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-48-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-50-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-49-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-52-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-53-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-33-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-54-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-55-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-56-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-57-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-58-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-59-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-60-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-61-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-63-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-37-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-65-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-66-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-69-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-70-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-71-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-68-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-73-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-77-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-76-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-81-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-84-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-85-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-86-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-87-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-88-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-89-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-31-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2428-214-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2428-216-0x00000000025D0000-0x0000000002686000-memory.dmp

    Filesize

    728KB

  • memory/2428-29-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2428-27-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2428-25-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2428-23-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2428-21-0x0000000000590000-0x0000000000638000-memory.dmp

    Filesize

    672KB

  • memory/2428-20-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB

  • memory/2428-19-0x0000000000220000-0x0000000000271000-memory.dmp

    Filesize

    324KB

  • memory/2428-17-0x0000000000400000-0x0000000000589000-memory.dmp

    Filesize

    1.5MB