Analysis

  • max time kernel
    127s
  • max time network
    194s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29/11/2022, 11:48

General

  • Target

    fbd7db4b00099460c9065cedee17cb96477e79c208cf619cff89acefab8686f3.exe

  • Size

    274KB

  • MD5

    78087403f78128998e3a7684a5047b33

  • SHA1

    d32a732e0c937b6ddb1545d4f0f06a987576458b

  • SHA256

    fbd7db4b00099460c9065cedee17cb96477e79c208cf619cff89acefab8686f3

  • SHA512

    103d1f09a4598ca47651f6643c9816e17065a53c27fa4e1140850a78341c1480953abf7a4e6ba3fca0141d6ab1de23583e547ea0df99e83bd953da1667c49059

  • SSDEEP

    6144:KsaocyLCecZlqjELW+5MrJo7U2vxrLvlSuMlQLsUk97BFVgWEkBXPbdZ33:Ktob4GAWmrRZ6QAd9dFVMOXPbdZH

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbd7db4b00099460c9065cedee17cb96477e79c208cf619cff89acefab8686f3.exe
    "C:\Users\Admin\AppData\Local\Temp\fbd7db4b00099460c9065cedee17cb96477e79c208cf619cff89acefab8686f3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:896
    • C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\installer.exe
      C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\installer.exe 4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe /t /dT131902121S /e5819847 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1552
      • C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe
        "C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe" /t /dT131902121S /e5819847 /u4fe0cf9f-1fe4-4abb-905a-57915bc06f2f
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:1076

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EDCF682921FE94F4A02A43CD1A28E6B

          Filesize

          604B

          MD5

          e7ed9b0571e14a4824cebee137d9bcd1

          SHA1

          59d9a27a741aee4bfc0605a287a88782cdafe6ff

          SHA256

          62f9b298a1f9e62f29c486f9cd2731a28302b9215656fd8b1c7c0071071b25ad

          SHA512

          6f6f379a5fbce3afbfb29b159bfe784ecf4b42672c5bc441e89383c54ccd210766388526748c48f9889cfdd5e126054a8d67971d69c46f37bb117e515ad9d400

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

          Filesize

          61KB

          MD5

          fc4666cbca561e864e7fdf883a9e6661

          SHA1

          2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

          SHA256

          10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

          SHA512

          c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

          Filesize

          5B

          MD5

          5bfa51f3a417b98e7443eca90fc94703

          SHA1

          8c015d80b8a23f780bdd215dc842b0f5551f63bd

          SHA256

          bebe2853a3485d1c2e5c5be4249183e0ddaff9f87de71652371700a89d937128

          SHA512

          4cd03686254bb28754cbaa635ae1264723e2be80ce1dd0f78d1ab7aee72232f5b285f79e488e9c5c49ff343015bd07bb8433d6cee08ae3cea8c317303e3ac399

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EDCF682921FE94F4A02A43CD1A28E6B

          Filesize

          188B

          MD5

          a644dfd2933f9cbafbce7bf30b189007

          SHA1

          5b95d64008904fd0067badcff198659926b390fb

          SHA256

          adf990232df2c63e8f72adb6395abeac1de5ca5637e5565ae883f33d757b666e

          SHA512

          a106bd59862bb8f9890e985c39b5f0bf346eb6b624cc6b6a45885d9acd7ad8fe0b1ecc5aa7cf2b78d37a9b02020b3e9a314a1378dba4ec2d821444042fe7e3a4

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

          Filesize

          342B

          MD5

          223828411cc96477ccb5a83e1d8133b5

          SHA1

          950e35897e499d6bf94b47ae3d5c60dec52756a3

          SHA256

          370abb1e31813a71db35bff6d6890704e7e61002f46d0e40480ca81fa70a330f

          SHA512

          94d46880258da46f75aec84e4ff2e9bfee3b42c5e906e5b76e5d7d9e2f4b21027c4195604885fb6326937a3781cf419a762ca3113c944771009072e80b6bb5b3

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\955CAB6FF6A24D5820D50B5BA1CF79C7_AD9E7615297A3A83320AACE5801A04F9

          Filesize

          404B

          MD5

          f106868607aa781fe44201fef51b0777

          SHA1

          b96edf40c4c66f36a025563da792c4b9ce789c3f

          SHA256

          38012c67f0dabd18f7c3a1f890c361a46bc1f3c1d0e03730401a2a584f500188

          SHA512

          133f4dbfc1b200ec782829a54ff91bd98627df6296468e57f8ed7c9182aabf18720d71bb1da23e60620c743e66b1a9e45ba4ec679e01533f7662a882c26118b3

        • C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

          Filesize

          256KB

          MD5

          6e68cf541f031c7de9da6ec8d86862aa

          SHA1

          115f143b5f585a27006159dc1b2d4d23a7af5295

          SHA256

          d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

          SHA512

          022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

        • C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

          Filesize

          256KB

          MD5

          6e68cf541f031c7de9da6ec8d86862aa

          SHA1

          115f143b5f585a27006159dc1b2d4d23a7af5295

          SHA256

          d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

          SHA512

          022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

        • C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\installer.exe

          Filesize

          214KB

          MD5

          7cf3bce5ecf2aea97b49e2eba8ca0aba

          SHA1

          543f5fc23df08f946488d27b2fb16b13b6311d1a

          SHA256

          7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

          SHA512

          5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

        • C:\Users\Admin\AppData\Local\Temp\nseF72E.tmp\installer.exe

          Filesize

          214KB

          MD5

          7cf3bce5ecf2aea97b49e2eba8ca0aba

          SHA1

          543f5fc23df08f946488d27b2fb16b13b6311d1a

          SHA256

          7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

          SHA512

          5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

        • \Users\Admin\AppData\Local\Temp\nseF72E.tmp\4fe0cf9f-1fe4-4abb-905a-57915bc06f2f.exe

          Filesize

          256KB

          MD5

          6e68cf541f031c7de9da6ec8d86862aa

          SHA1

          115f143b5f585a27006159dc1b2d4d23a7af5295

          SHA256

          d1763b911eebce060a4c479190e83ff5747f5e75f938fb1cb23d5fcaba249e35

          SHA512

          022af872f2343293a0d71c6cc3ca3f13001ce7ad8e04cf740b75574272cad1dcb40a97a0e860082e7080a69a0367438728f1983317349d5a33ca969c3d877de1

        • \Users\Admin\AppData\Local\Temp\nseF72E.tmp\installer.exe

          Filesize

          214KB

          MD5

          7cf3bce5ecf2aea97b49e2eba8ca0aba

          SHA1

          543f5fc23df08f946488d27b2fb16b13b6311d1a

          SHA256

          7358afae03a24b31c0d82ee4e5fd2f17cafe6c3bdd8e26326aa4118f2169f736

          SHA512

          5f9184189940af27e25ae2988db8d15923dac81b2410c5fe3287f126fb50df43735fccb4e4d9f376e9f24700604c157aa1828622dab54014d9583a56ab698d8d

        • \Users\Admin\AppData\Local\Temp\nseF72E.tmp\nsExec.dll

          Filesize

          8KB

          MD5

          249ae678f0dac4c625c6de6aca53823a

          SHA1

          6ac2b9e90e8445fed4c45c5dbf2d0227cd3b5201

          SHA256

          7298024a36310b7c4c112be87b61b62a0b1be493e2d5252a19e5e976daf674ce

          SHA512

          66e4081a40f3191bf28b810cf8411cb3c8c3e3ec5943e18d6672414fb5e7b4364f862cba44c9115c599ac90890ef02a773e254e7c979e930946bc52b0693aad7

        • memory/896-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

          Filesize

          8KB

        • memory/1076-77-0x0000000000229000-0x000000000023A000-memory.dmp

          Filesize

          68KB

        • memory/1076-76-0x0000000073F40000-0x00000000744EB000-memory.dmp

          Filesize

          5.7MB

        • memory/1076-73-0x0000000073F40000-0x00000000744EB000-memory.dmp

          Filesize

          5.7MB

        • memory/1076-74-0x0000000000229000-0x000000000023A000-memory.dmp

          Filesize

          68KB

        • memory/1076-75-0x0000000073F40000-0x00000000744EB000-memory.dmp

          Filesize

          5.7MB

        • memory/1552-61-0x0000000073F40000-0x00000000744EB000-memory.dmp

          Filesize

          5.7MB

        • memory/1552-78-0x0000000073F40000-0x00000000744EB000-memory.dmp

          Filesize

          5.7MB