Analysis

  • max time kernel
    1621s
  • max time network
    1758s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    17-03-2023 18:08

General

  • Target

    07d8c9f5-af55-421d-9023-7932ab1810d7.exe

  • Size

    107.4MB

  • MD5

    92d910e072b9bbce6a329bbe9686cf7e

  • SHA1

    4e4e2c6e1aaf406f1008eef4de4068c67a56c7f1

  • SHA256

    07e3113b6d2367f8fab4668b46620fd6b6d15d0c3d21d4f066cedb8c54340e4b

  • SHA512

    f5f10912ef3e2f6520aba4fe9986d174451b1eb8d38a0b652ed4a6d463d26d1bf121a26298616304b484d42ecc5c11a68ae295a9e92b0d09df5067f7af439e2a

  • SSDEEP

    196608:0kkzOa/slizxM7S8ocpzL28DsOa0wyEcJ50:0kdYM71zaMsOaxbcJ2

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\07d8c9f5-af55-421d-9023-7932ab1810d7.exe
    "C:\Users\Admin\AppData\Local\Temp\07d8c9f5-af55-421d-9023-7932ab1810d7.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\is-IBLA6.tmp\07d8c9f5-af55-421d-9023-7932ab1810d7.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-IBLA6.tmp\07d8c9f5-af55-421d-9023-7932ab1810d7.tmp" /SL5="$70122,111680340,999424,C:\Users\Admin\AppData\Local\Temp\07d8c9f5-af55-421d-9023-7932ab1810d7.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1372
      • C:\Users\Admin\AppData\Local\Temp\is-C4ADO.tmp\Expert_PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\is-C4ADO.tmp\Expert_PDF.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Modifies registry class
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:580
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32.exe /s "C:\ProgramData\Expert PDF 14\Installation\Statistics.dll"
          4⤵
          • Loads dropped DLL
          • Modifies registry class
          PID:568
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{D512BD03-0077-4504-AE19-566B43F44E19}
    1⤵
    • Loads dropped DLL
    PID:2004
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1672

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\ProgramData\Expert PDF 14\Installation\Statistics.dll

    Filesize

    1.9MB

    MD5

    e645ca01c01f9f8489c07a6b41fbd318

    SHA1

    3e8ea394f6605bd8529c58a143f01675adee371a

    SHA256

    a9145b41491019af4e89c5736c0d9d1fc83ab9786ec3dfb27da9be4e40cff27e

    SHA512

    c220bd620f03f38286899ed124abde69ed0812c2c1ef84031a02abd39faa4975255bc6a2bff8900d0294ac2f508344131be8cc6d8765aa46d430a135bb1af2b6

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

    Filesize

    61KB

    MD5

    e71c8443ae0bc2e282c73faead0a6dd3

    SHA1

    0c110c1b01e68edfacaeae64781a37b1995fa94b

    SHA256

    95b0a5acc5bf70d3abdfd091d0c9f9063aa4fde65bd34dbf16786082e1992e72

    SHA512

    b38458c7fa2825afb72794f374827403d5946b1132e136a0ce075dfd351277cf7d957c88dc8a1e4adc3bcae1fa8010dae3831e268e910d517691de24326391a6

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

    Filesize

    342B

    MD5

    acc795abc9374d0e5f0a3b9bba4d81b6

    SHA1

    6752858c95e9aa95ba51d367eb098fd4caea3766

    SHA256

    2a2106f5ec627952e4dafc37f1c6e0bbd1abeb6633d2aec13c48f92e2b4e7aac

    SHA512

    e6ffb0f51858ba10d4dc5da6ad2b44015ed9deed7b3fdd9f0e4e2f40be7f5fe8805e80f0c1e2727a5a33d9298524321a330c95b3f8949d3790f86737bb9b0970

  • C:\Users\Admin\AppData\Local\Temp\Cab409C.tmp

    Filesize

    61KB

    MD5

    fc4666cbca561e864e7fdf883a9e6661

    SHA1

    2f8d6094c7a34bf12ea0bbf0d51ee9c5bb7939a5

    SHA256

    10f3deb6c452d749a7451b5d065f4c0449737e5ee8a44f4d15844b503141e65b

    SHA512

    c71f54b571e01f247f072be4bbebdf5d8410b67eb79a61e7e0d9853fe857ab9bd12f53e6af3394b935560178107291fc4be351b27deb388eba90ba949633d57d

  • C:\Users\Admin\AppData\Local\Temp\Tar4198.tmp

    Filesize

    161KB

    MD5

    73b4b714b42fc9a6aaefd0ae59adb009

    SHA1

    efdaffd5b0ad21913d22001d91bf6c19ecb4ac41

    SHA256

    c0cf8cc04c34b5b80a2d86ad0eafb2dd71436f070c86b0321fba0201879625fd

    SHA512

    73af3c51b15f89237552b1718bef21fd80788fa416bab2cb2e7fb3a60d56249a716eda0d2dd68ab643752272640e7eaaaf57ce64bcb38373ddc3d035fb8d57cd

  • C:\Users\Admin\AppData\Local\Temp\Tar4392.tmp

    Filesize

    161KB

    MD5

    be2bec6e8c5653136d3e72fe53c98aa3

    SHA1

    a8182d6db17c14671c3d5766c72e58d87c0810de

    SHA256

    1919aab2a820642490169bdc4e88bd1189e22f83e7498bf8ebdfb62ec7d843fd

    SHA512

    0d1424ccdf0d53faf3f4e13d534e12f22388648aa4c23edbc503801e3c96b7f73c7999b760b5bef4b5e9dd923dffe21a21889b1ce836dd428420bf0f4f5327ff

  • C:\Users\Admin\AppData\Local\Temp\is-C4ADO.tmp\Expert_PDF.exe

    Filesize

    11.7MB

    MD5

    440d4f0c478b77d0e1a95e8165dfb650

    SHA1

    d8cd10e080167a93273a6969b61648ce9b9debb2

    SHA256

    19834ba63fc5f104f81d991a93593acde4bb49c10883e66344b8797caf4a5462

    SHA512

    a8c0b99c9f7f64ad440dd640f5e00b471514fd322af565796dd8fac8b4aabb693ccbcf1698e7082a3e1e188ead68081db13197555ba6b1ff5ef1dbc7b32bbbc5

  • C:\Users\Admin\AppData\Local\Temp\is-C4ADO.tmp\Expert_PDF.exe

    Filesize

    11.7MB

    MD5

    440d4f0c478b77d0e1a95e8165dfb650

    SHA1

    d8cd10e080167a93273a6969b61648ce9b9debb2

    SHA256

    19834ba63fc5f104f81d991a93593acde4bb49c10883e66344b8797caf4a5462

    SHA512

    a8c0b99c9f7f64ad440dd640f5e00b471514fd322af565796dd8fac8b4aabb693ccbcf1698e7082a3e1e188ead68081db13197555ba6b1ff5ef1dbc7b32bbbc5

  • C:\Users\Admin\AppData\Local\Temp\is-C4ADO.tmp\Expert_PDF.exe

    Filesize

    11.7MB

    MD5

    440d4f0c478b77d0e1a95e8165dfb650

    SHA1

    d8cd10e080167a93273a6969b61648ce9b9debb2

    SHA256

    19834ba63fc5f104f81d991a93593acde4bb49c10883e66344b8797caf4a5462

    SHA512

    a8c0b99c9f7f64ad440dd640f5e00b471514fd322af565796dd8fac8b4aabb693ccbcf1698e7082a3e1e188ead68081db13197555ba6b1ff5ef1dbc7b32bbbc5

  • C:\Users\Admin\AppData\Local\Temp\is-IBLA6.tmp\07d8c9f5-af55-421d-9023-7932ab1810d7.tmp

    Filesize

    3.1MB

    MD5

    a95712856401dda069ee07c719bdb2ab

    SHA1

    73293e45116e0930d78087741016cde920922a74

    SHA256

    b4878d6b9d7462cafe81d20da148a44750aa707f4e34eae1f23f21f9e0d9afa0

    SHA512

    2ea973307830b193379a0b7698682bfecdfcc6bab685dcf60af1c23c94b16b862924148a2f9e8b2ac2b7734c3552193dc0459c7961ab8730b0282101fa22ff85

  • \ProgramData\Expert PDF 14\Installation\Statistics.dll

    Filesize

    1.9MB

    MD5

    e645ca01c01f9f8489c07a6b41fbd318

    SHA1

    3e8ea394f6605bd8529c58a143f01675adee371a

    SHA256

    a9145b41491019af4e89c5736c0d9d1fc83ab9786ec3dfb27da9be4e40cff27e

    SHA512

    c220bd620f03f38286899ed124abde69ed0812c2c1ef84031a02abd39faa4975255bc6a2bff8900d0294ac2f508344131be8cc6d8765aa46d430a135bb1af2b6

  • \ProgramData\Expert PDF 14\Installation\Statistics.dll

    Filesize

    1.9MB

    MD5

    e645ca01c01f9f8489c07a6b41fbd318

    SHA1

    3e8ea394f6605bd8529c58a143f01675adee371a

    SHA256

    a9145b41491019af4e89c5736c0d9d1fc83ab9786ec3dfb27da9be4e40cff27e

    SHA512

    c220bd620f03f38286899ed124abde69ed0812c2c1ef84031a02abd39faa4975255bc6a2bff8900d0294ac2f508344131be8cc6d8765aa46d430a135bb1af2b6

  • \ProgramData\Expert PDF 14\Installation\Statistics.dll

    Filesize

    1.9MB

    MD5

    e645ca01c01f9f8489c07a6b41fbd318

    SHA1

    3e8ea394f6605bd8529c58a143f01675adee371a

    SHA256

    a9145b41491019af4e89c5736c0d9d1fc83ab9786ec3dfb27da9be4e40cff27e

    SHA512

    c220bd620f03f38286899ed124abde69ed0812c2c1ef84031a02abd39faa4975255bc6a2bff8900d0294ac2f508344131be8cc6d8765aa46d430a135bb1af2b6

  • \ProgramData\Expert PDF 14\Installation\Statistics.dll

    Filesize

    1.9MB

    MD5

    e645ca01c01f9f8489c07a6b41fbd318

    SHA1

    3e8ea394f6605bd8529c58a143f01675adee371a

    SHA256

    a9145b41491019af4e89c5736c0d9d1fc83ab9786ec3dfb27da9be4e40cff27e

    SHA512

    c220bd620f03f38286899ed124abde69ed0812c2c1ef84031a02abd39faa4975255bc6a2bff8900d0294ac2f508344131be8cc6d8765aa46d430a135bb1af2b6

  • \ProgramData\Expert PDF 14\Installation\Statistics.dll

    Filesize

    1.9MB

    MD5

    e645ca01c01f9f8489c07a6b41fbd318

    SHA1

    3e8ea394f6605bd8529c58a143f01675adee371a

    SHA256

    a9145b41491019af4e89c5736c0d9d1fc83ab9786ec3dfb27da9be4e40cff27e

    SHA512

    c220bd620f03f38286899ed124abde69ed0812c2c1ef84031a02abd39faa4975255bc6a2bff8900d0294ac2f508344131be8cc6d8765aa46d430a135bb1af2b6

  • \Users\Admin\AppData\Local\Temp\is-C4ADO.tmp\Expert_PDF.exe

    Filesize

    11.7MB

    MD5

    440d4f0c478b77d0e1a95e8165dfb650

    SHA1

    d8cd10e080167a93273a6969b61648ce9b9debb2

    SHA256

    19834ba63fc5f104f81d991a93593acde4bb49c10883e66344b8797caf4a5462

    SHA512

    a8c0b99c9f7f64ad440dd640f5e00b471514fd322af565796dd8fac8b4aabb693ccbcf1698e7082a3e1e188ead68081db13197555ba6b1ff5ef1dbc7b32bbbc5

  • \Users\Admin\AppData\Local\Temp\is-C4ADO.tmp\_isetup\_isdecmp.dll

    Filesize

    34KB

    MD5

    c6ae924ad02500284f7e4efa11fa7cfc

    SHA1

    2a7770b473b0a7dc9a331d017297ff5af400fed8

    SHA256

    31d04c1e4bfdfa34704c142fa98f80c0a3076e4b312d6ada57c4be9d9c7dcf26

    SHA512

    f321e4820b39d1642fc43bf1055471a323edcc0c4cbd3ddd5ad26a7b28c4fb9fc4e57c00ae7819a4f45a3e0bb9c7baa0ba19c3ceedacf38b911cdf625aa7ddae

  • \Users\Admin\AppData\Local\Temp\is-IBLA6.tmp\07d8c9f5-af55-421d-9023-7932ab1810d7.tmp

    Filesize

    3.1MB

    MD5

    a95712856401dda069ee07c719bdb2ab

    SHA1

    73293e45116e0930d78087741016cde920922a74

    SHA256

    b4878d6b9d7462cafe81d20da148a44750aa707f4e34eae1f23f21f9e0d9afa0

    SHA512

    2ea973307830b193379a0b7698682bfecdfcc6bab685dcf60af1c23c94b16b862924148a2f9e8b2ac2b7734c3552193dc0459c7961ab8730b0282101fa22ff85

  • memory/1372-66-0x00000000001E0000-0x00000000001E1000-memory.dmp

    Filesize

    4KB

  • memory/1372-81-0x0000000000400000-0x0000000000723000-memory.dmp

    Filesize

    3.1MB

  • memory/1768-54-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/1768-83-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB