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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2024, 21:45 UTC

General

  • Target

    2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe

  • Size

    48KB

  • MD5

    915fd9103160f6c0c32107206ca66c80

  • SHA1

    84f144d17b51bfa75cb795a2fdbdcedcea646546

  • SHA256

    3747292316da9ff33c5b5247fb64c07222e03b280bf445bee0d42e89cdfad645

  • SHA512

    e70b78969eb731a2f90922895e2b359d5e0f33a493fc898adf6f7a31bebd68c2bb53252a6de7d820e80ed5bf0b1fd21184bef3b222505ef0327fe3a9f7ee7fc6

  • SSDEEP

    384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2V7:79inqyNR/QtOOtEvwDpjBKccJVODvy3m

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-05_915fd9103160f6c0c32107206ca66c80_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3132
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:220

Network

  • flag-us
    DNS
    196.249.167.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    196.249.167.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    emrlogistics.com
    asih.exe
    Remote address:
    8.8.8.8:53
    Request
    emrlogistics.com
    IN A
    Response
    emrlogistics.com
    IN CNAME
    traff-6.hugedomains.com
    traff-6.hugedomains.com
    IN CNAME
    hdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.com
    hdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.com
    IN A
    18.119.154.66
    hdr-nlb10-d66bbad0736f8259.elb.us-east-2.amazonaws.com
    IN A
    3.140.13.188
  • flag-us
    DNS
    75.159.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    75.159.190.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    228.249.119.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    228.249.119.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    58.55.71.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    58.55.71.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    212.20.149.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    212.20.149.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    241.42.69.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    241.42.69.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    68.209.201.84.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    68.209.201.84.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    21.236.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    21.236.111.52.in-addr.arpa
    IN PTR
    Response
  • 18.119.154.66:443
    emrlogistics.com
    asih.exe
    260 B
    5
  • 3.140.13.188:443
    emrlogistics.com
    asih.exe
    260 B
    5
  • 18.119.154.66:443
    emrlogistics.com
    asih.exe
    260 B
    5
  • 3.140.13.188:443
    emrlogistics.com
    asih.exe
    260 B
    5
  • 18.119.154.66:443
    emrlogistics.com
    asih.exe
    260 B
    5
  • 3.140.13.188:443
    emrlogistics.com
    asih.exe
    260 B
    5
  • 18.119.154.66:443
    emrlogistics.com
    asih.exe
    260 B
    5
  • 3.140.13.188:443
    emrlogistics.com
    asih.exe
    104 B
    2
  • 8.8.8.8:53
    196.249.167.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    196.249.167.52.in-addr.arpa

  • 8.8.8.8:53
    emrlogistics.com
    dns
    asih.exe
    62 B
    193 B
    1
    1

    DNS Request

    emrlogistics.com

    DNS Response

    18.119.154.66
    3.140.13.188

  • 8.8.8.8:53
    75.159.190.20.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    75.159.190.20.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    228.249.119.40.in-addr.arpa
    dns
    73 B
    159 B
    1
    1

    DNS Request

    228.249.119.40.in-addr.arpa

  • 8.8.8.8:53
    58.55.71.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    58.55.71.13.in-addr.arpa

  • 8.8.8.8:53
    212.20.149.52.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    212.20.149.52.in-addr.arpa

  • 8.8.8.8:53
    241.42.69.40.in-addr.arpa
    dns
    71 B
    145 B
    1
    1

    DNS Request

    241.42.69.40.in-addr.arpa

  • 8.8.8.8:53
    68.209.201.84.in-addr.arpa
    dns
    72 B
    132 B
    1
    1

    DNS Request

    68.209.201.84.in-addr.arpa

  • 8.8.8.8:53
    21.236.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    21.236.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\asih.exe

    Filesize

    48KB

    MD5

    d6bf91fe4c411ea1206434d2f186826f

    SHA1

    02d8d8f9e1ef4d6adbeef587491554a866a75554

    SHA256

    c193a055e2d2f7a151cfc5cae5ea976287dd5bade1862e3c5b9b29c66bea44f7

    SHA512

    0bb6be90dbd20c6700bb40b3fc77558a4bf6333c4d2c4602c8a858c58d0cf7cab161053a19d0469c0a958bc7ddc67723986ee47a183e2b3508f713378aae16f4

  • memory/220-19-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

    Filesize

    24KB

  • memory/220-25-0x0000000000560000-0x0000000000566000-memory.dmp

    Filesize

    24KB

  • memory/220-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3132-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/3132-1-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/3132-2-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB

  • memory/3132-3-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/3132-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

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