Analysis

  • max time kernel
    54s
  • max time network
    56s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-03-2023 05:52

General

  • Target

    31fb4bf411dcd7fcb860bdb1db26859290b047b39b94638a7d4fd2a46d323e98.vbs

  • Size

    88KB

  • MD5

    9eae6f49a02d6eb9f75af7bbf4349808

  • SHA1

    2caf7ddeb9fc1d6076558661ef69b9638cfd2e7b

  • SHA256

    31fb4bf411dcd7fcb860bdb1db26859290b047b39b94638a7d4fd2a46d323e98

  • SHA512

    37b45c58efd8c2bee66c30bca4a3777d5b6ba39e97d34baa8e7bc27fb083397d818a2708cbcf7d4704398fdfff4cbc17abff68b33294292413527702c1ad7eef

  • SSDEEP

    768:vvQxmTUdOGFf77IlCpfj2d7gtD/uqDX4l8EE1:vvQxxOGV77Fj2sDRX4lG1

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 7 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Script User-Agent 7 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\31fb4bf411dcd7fcb860bdb1db26859290b047b39b94638a7d4fd2a46d323e98.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3788
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" //E:vbscript C:\Users\Admin\AppData\Local\Temp\rad275E744E1darrad5A619E6A2dar.txt
      2⤵
      • Blocklisted process makes network request
      PID:4092

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\rad275E744E1darrad5A619E6A2dar.txt
    Filesize

    61KB

    MD5

    1aa67b0b904cd763bc3818467b021b3c

    SHA1

    687946e6661f96d332b8e57cab5ab2e84ca17071

    SHA256

    0fc30c263b4e947d2b4f7ca5e1ee57e2aa4a4e885796f15cd3e16fb03f255716

    SHA512

    9f8d53567998c8beb7977c470e09d4ad1a41da2555d6b7ca0b7525f70f6bba5f818aaf9a5dcbb57c7b9842e937eb5a7a64f45394f42afb2a78b09dee1493a7be

  • C:\Users\Admin\AppData\Local\Temp\rad8CE9C.tmp.zip
    Filesize

    10B

    MD5

    7605968e79d0ca095ab1231486d2b814

    SHA1

    a007b420d19ceefa840f0373e050e3b51a4ab480

    SHA256

    493fda53120050f85836032324409be6c6484f90a0755ae0c6a673ba7626818b

    SHA512

    769249da7ed6c6bf5671bbc2371a6453b433226ceb8c4c2aa3604000d66647bcec83dee1ab64c0262fa40f923d77e23bad2c47274d339effc51d904ce77072a6