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Analysis

  • max time kernel
    142s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25/12/2023, 22:07

General

  • Target

    3f011cab6fe29c299d6e45fc128e9bd6.exe

  • Size

    104KB

  • MD5

    3f011cab6fe29c299d6e45fc128e9bd6

  • SHA1

    86b2cae2ddac6744a030b7a91e6743c27b07b439

  • SHA256

    42b20fdce052f2a7d95df1bd8f344dec26d0caea679289bce70b80e1e2190d6c

  • SHA512

    aefa1f3bdd5d92f158cdd076ae5b639b5906484ab76beed73a4ae44baf89951fbaf571fb4ae9a6fe22aa937e3202490eb15c6b235bb2ae8838027c5d06b3d991

  • SSDEEP

    3072:I15T3Ncy/RpISCs2EWFrphy2G5mZ5E+HIbZoutlO:I15T9cy/RpIvuWXhy2v5abZoSlO

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f011cab6fe29c299d6e45fc128e9bd6.exe
    "C:\Users\Admin\AppData\Local\Temp\3f011cab6fe29c299d6e45fc128e9bd6.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Users\Admin\AppData\Local\Temp\3f011cab6fe29c299d6e45fc128e9bd6.exe
      "C:\Users\Admin\AppData\Local\Temp\3f011cab6fe29c299d6e45fc128e9bd6.exe" /asService
      2⤵
      • Drops file in Program Files directory
      PID:2668
    • C:\Windows\SysWOW64\cscript.exe
      cscript //NoLogo C:\Users\Admin\AppData\Local\Temp\hd.vbs
      2⤵
        PID:2808

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      344B

      MD5

      cffa78595bc95cc9829a4ac7c8787d1a

      SHA1

      31ffb90da1085e510c7a4d7584ba4b4aa4cdd62a

      SHA256

      850f058dd3265258e5f9e9c6c088edc72e560120de89b430e45819f8f08aa812

      SHA512

      795020def654121b96c54c89826e2e40fce6dfb57953c60dd9f5b61d0bbe3484e103bea486f32c0ef01758d7b6e0400ec6832382511697cdb34058cc5e1af3cf

    • C:\Users\Admin\AppData\Local\Temp\Cab9994.tmp

      Filesize

      65KB

      MD5

      ac05d27423a85adc1622c714f2cb6184

      SHA1

      b0fe2b1abddb97837ea0195be70ab2ff14d43198

      SHA256

      c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

      SHA512

      6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

    • C:\Users\Admin\AppData\Local\Temp\Tar9E48.tmp

      Filesize

      171KB

      MD5

      9c0c641c06238516f27941aa1166d427

      SHA1

      64cd549fb8cf014fcd9312aa7a5b023847b6c977

      SHA256

      4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

      SHA512

      936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

    • C:\Users\Admin\AppData\Local\Temp\ZonaInstall.log

      Filesize

      2KB

      MD5

      5cc30296423b52ff5ffd53a72de885d4

      SHA1

      ed7f73bbaa17b7b57a6d7456e60072445055b869

      SHA256

      04c33be7cb05655ee8ee0b9f97041ea05bf6a57e64cc0af9f38256dee216c931

      SHA512

      57ea84a38426f074eff972235e8795ef841e888f8d2aa98ed3cadab37bd0c32d285634783d70678b26b042c7fb3367e20f42cbb943e03ee5efa27f7109f1f108

    • C:\Users\Admin\AppData\Local\Temp\ZonaInstall.log

      Filesize

      1KB

      MD5

      dd6f6137fffdefb23a27aea2d5e859ce

      SHA1

      2de0fecb572f414c963cb859170d0f0be68d06a8

      SHA256

      b6eb9cf58a4d502b62bc1df43f5b20977c5a2d22529a3044ca0d976295679c21

      SHA512

      b3695d3523dd85adcf915de666d795b23680e4b0122478d381ba45674c636fe1ebadf144ee8b72295fe9a8310928b7700ec364e610b46d01d3276ad12c27940e

    • C:\Users\Admin\AppData\Local\Temp\hd.vbs

      Filesize

      245B

      MD5

      d8682d715a652f994dca50509fd09669

      SHA1

      bb03cf242964028b5d9183812ed8b04de9d55c6e

      SHA256

      4bd3521fb2b5c48fe318a874bf64c6b1f62f5212b8c88790006cafaf31d207ba

      SHA512

      eaa39d87002df1eea16b215c9f099731253b7af72e46b12f64423874dbcdd8f68a164d7641bafb3f854aa6ad8aa7269da59ed0b32cd41eccba5d6f296f9a52ca

    • C:\Users\Admin\AppData\Roaming\Zona\init.xml

      Filesize

      214B

      MD5

      758b075a09774272c72ec87da581a2f0

      SHA1

      4f195274d115b4ad33702ececf0bcbd5211a0633

      SHA256

      694ea318a3b3a052c17800dc2ed45641638bb0bec3d026b263a07d6d0a27bcf7

      SHA512

      120e9dc1dd00dcb4091897b1d0626362709e79ea1ce2ec61d2b9c4d7cea31c92f3fa79ff76e2c107c9352d892f879d68c5da2e8c48f6f616ef28b714b8ebb557

    • memory/1452-0-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/1452-9-0x0000000002630000-0x000000000266D000-memory.dmp

      Filesize

      244KB

    • memory/1452-8-0x0000000002630000-0x000000000266D000-memory.dmp

      Filesize

      244KB

    • memory/1452-137-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2668-10-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/2668-138-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB