Analysis

  • max time kernel
    130s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    25-06-2023 19:36

General

  • Target

    putty-64bit-0.78-installer (1).msi

  • Size

    3.5MB

  • MD5

    108b432c4dc0a66b657d985e180bec71

  • SHA1

    262812d43303b7ddc7c04a1c243172ebe6579f00

  • SHA256

    e64775374097f1b1c8fd4173f7d5be4305b88cec26a56d003113aff2837ae08e

  • SHA512

    5ddb97078b417f22c54dce768564dec58fd92a9c190f7a6cac9c7979a0f136dd439da1d59dd3c088e709433f5c4f79c033abd4b6ca8989d38620c20f4623386e

  • SSDEEP

    98304:Ujhyh9EoxGHgBRn8Tg4IDrwRW8FMDMb34+NHC6:UjhyJPR8Tg4IDrwdFMD048

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Enumerates connected drives 3 TTPs 24 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 34 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\putty-64bit-0.78-installer (1).msi"
    1⤵
    • Blocklisted process makes network request
    • Enumerates connected drives
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:920
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1544

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Cab7E0.tmp

    Filesize

    62KB

    MD5

    3ac860860707baaf32469fa7cc7c0192

    SHA1

    c33c2acdaba0e6fa41fd2f00f186804722477639

    SHA256

    d015145d551ecd14916270efad773bbc9fd57fad2228d2c24559f696c961d904

    SHA512

    d62ad2408c969a95550fb87efda50f988770ba5e39972041bf85924275baf156b8bec309ecc6409e5acdd37ec175dea40eff921ab58933b5b5b5d35a6147567c

  • C:\Users\Admin\AppData\Local\Temp\TarA72.tmp

    Filesize

    164KB

    MD5

    4ff65ad929cd9a367680e0e5b1c08166

    SHA1

    c0af0d4396bd1f15c45f39d3b849ba444233b3a2

    SHA256

    c8733c93cc5aaf5ca206d06af22ee8dbdec764fb5085019a6a9181feb9dfdee6

    SHA512

    f530dc0d024a5a3b8903ffaaa41b608a5ccdd6da4ba1949f2c2e55a9fca475fec5c8d2119b5763cabe7ef1c3788fb9dcac621869db51d65b1d83cfe404fb4c27