Analysis

  • max time kernel
    146s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-03-2023 01:36

General

  • Target

    85214124920f091cb6a7c4ec3f7a3a1ee6fda2bca74024d27bf0195659d4e3c5.js

  • Size

    944KB

  • MD5

    9468e52b7db9abd87f4ad0ea4d6b7094

  • SHA1

    c73c502a0f2dddf1f7c609ecf799cb84e88c9538

  • SHA256

    85214124920f091cb6a7c4ec3f7a3a1ee6fda2bca74024d27bf0195659d4e3c5

  • SHA512

    88209dbab8a792f342c77b6badbae14c533f0ef1e9c1a6e09f336cf85a2b0de75ce54e119c75f1ca065d0d7c1647ee9b972aef91e081392f3c6ed3b150a54c85

  • SSDEEP

    12288:NquDUbRxMdDpPwIVED6pqLooV6Ffpz9As6h1e1+CexLMEfvPFHF7Bp1VsdTSFRe0:NuRxMbPREDv0m6FfpZoh7C4LHvBHCcx1

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\85214124920f091cb6a7c4ec3f7a3a1ee6fda2bca74024d27bf0195659d4e3c5.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4268
    • C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe
      "C:\Program Files\Java\jre1.8.0_66\bin\javaw.exe" -jar "C:\Users\Admin\AppData\Roaming\alcltzacac.txt"
      2⤵
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2172
      • C:\Program Files\Java\jre1.8.0_66\bin\java.exe
        "C:\Program Files\Java\jre1.8.0_66\bin\java.exe" -jar C:\Users\Admin\AppData\Local\Temp\_0.44877311322194584575172384394219202.class
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:428

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\.oracle_jre_usage\90737d32e3aba4b.timestamp

    Filesize

    50B

    MD5

    3d3ab48d6b6de21142bd9c7b7baf5a85

    SHA1

    9b7bf66e42a919837c8673f5e466898a69625ff3

    SHA256

    5f2647cdfe0dd0e74f5c84d6c0a8d778bc85cadee37f4f9d2c3ff491f5e3b7dc

    SHA512

    9f95e80317cd5a6adafabbb1dd6c55fadb0e447586a54340965e3759c1b3986bcf13f7fce07e00169837e45af3f146e0708c7966a33e39a01f5ce9e8084f9d3a

  • C:\Users\Admin\AppData\Local\Temp\_0.44877311322194584575172384394219202.class

    Filesize

    241KB

    MD5

    781fb531354d6f291f1ccab48da6d39f

    SHA1

    9ce4518ebcb5be6d1f0b5477fa00c26860fe9a68

    SHA256

    97d585b6aff62fb4e43e7e6a5f816dcd7a14be11a88b109a9ba9e8cd4c456eb9

    SHA512

    3e6630f5feb4a3eb1dac7e9125ce14b1a2a45d7415cf44cea42bc51b2a9aa37169ee4a4c36c888c8f2696e7d6e298e2ad7b2f4c22868aaa5948210eb7db220d8

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-2275444769-3691835758-4097679484-1000\83aa4cc77f591dfc2374580bbd95f6ba_6d187d53-139c-415c-b71c-a4b59992e636

    Filesize

    45B

    MD5

    c8366ae350e7019aefc9d1e6e6a498c6

    SHA1

    5731d8a3e6568a5f2dfbbc87e3db9637df280b61

    SHA256

    11e6aca8e682c046c83b721eeb5c72c5ef03cb5936c60df6f4993511ddc61238

    SHA512

    33c980d5a638bfc791de291ebf4b6d263b384247ab27f261a54025108f2f85374b579a026e545f81395736dd40fa4696f2163ca17640dd47f1c42bc9971b18cd

  • C:\Users\Admin\AppData\Roaming\alcltzacac.txt

    Filesize

    479KB

    MD5

    b24e91a84b545272a1db14b7c51454a2

    SHA1

    c60cadf28effbb13c04a7ebc7a06ba0bf39d3cff

    SHA256

    6e6ce859a4d92637ee15aece3aa00de9737b6fb8433ff1e299c53b2fe08a2f49

    SHA512

    9fca84202592bc0be3df8ff14a30c54e778fd6ab727e6cc59525aa66a3a545df076881e5fb6e2517fda51998188321953c2a28a91659e2f79cf9e1e79a8b173a

  • memory/428-163-0x0000000001750000-0x0000000001751000-memory.dmp

    Filesize

    4KB

  • memory/428-193-0x0000000001750000-0x0000000001751000-memory.dmp

    Filesize

    4KB

  • memory/428-203-0x0000000001750000-0x0000000001751000-memory.dmp

    Filesize

    4KB

  • memory/2172-148-0x0000000002E30000-0x0000000002E31000-memory.dmp

    Filesize

    4KB

  • memory/2172-190-0x0000000002E30000-0x0000000002E31000-memory.dmp

    Filesize

    4KB

  • memory/2172-201-0x0000000002E30000-0x0000000002E31000-memory.dmp

    Filesize

    4KB

  • memory/2172-208-0x0000000002E30000-0x0000000002E31000-memory.dmp

    Filesize

    4KB