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Overview

overview

10

Static

static

10

2024-02-14...er.exe

windows7-x64

9

2024-02-14...er.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/02/2024, 17:21 UTC

Sharing

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General

  • Target

    2024-02-14_a547ee70522b5f36c97dd2b62bef643f_cryptolocker.exe

  • Size

    48KB

  • MD5

    a547ee70522b5f36c97dd2b62bef643f

  • SHA1

    d29acaba6e5a4e8a238130cb2a1404c41ee330d5

  • SHA256

    cb40e57788298f5a5f670bbd66c62001e0fd91cd0a77401a5043c1f7887ad45e

  • SHA512

    3ddba0efc652fb291b7e5bd352037389801aabb5857d8e6e4d0ffbf7309af0c8561aa45f9c03f46f7c14d13ac5068c8512bdb6e2ffccb1ae412a10168bda52b4

  • SSDEEP

    1536:V6QFElP6n+gMQMOtEvwDpjeJQ7pojakNMw:V6a+pOtEvwDpjhw

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-02-14_a547ee70522b5f36c97dd2b62bef643f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-02-14_a547ee70522b5f36c97dd2b62bef643f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:5700
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:5968

Network

  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    104.219.191.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    104.219.191.52.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    179.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    179.178.17.96.in-addr.arpa
    IN PTR
    Response
    179.178.17.96.in-addr.arpa
    IN PTR
    a96-17-178-179deploystaticakamaitechnologiescom
  • flag-us
    DNS
    179.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    179.178.17.96.in-addr.arpa
    IN PTR
  • flag-us
    DNS
    179.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    179.178.17.96.in-addr.arpa
    IN PTR
  • 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-2.hugedomains.com
    traff-2.hugedomains.com
    IN CNAME
    hdr-nlb5-4e815dd67a14bf7f.elb.us-east-2.amazonaws.com
    hdr-nlb5-4e815dd67a14bf7f.elb.us-east-2.amazonaws.com
    IN A
    3.130.204.160
    hdr-nlb5-4e815dd67a14bf7f.elb.us-east-2.amazonaws.com
    IN A
    3.130.253.23
  • flag-us
    DNS
    23.181.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    23.181.190.20.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
    241.150.49.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    241.150.49.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    50.23.12.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    50.23.12.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    206.23.85.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    206.23.85.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    217.135.221.88.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.135.221.88.in-addr.arpa
    IN PTR
    Response
    217.135.221.88.in-addr.arpa
    IN PTR
    a88-221-135-217deploystaticakamaitechnologiescom
  • flag-us
    DNS
    190.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    190.178.17.96.in-addr.arpa
    IN PTR
    Response
    190.178.17.96.in-addr.arpa
    IN PTR
    a96-17-178-190deploystaticakamaitechnologiescom
  • flag-us
    DNS
    182.178.17.96.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    182.178.17.96.in-addr.arpa
    IN PTR
    Response
    182.178.17.96.in-addr.arpa
    IN PTR
    a96-17-178-182deploystaticakamaitechnologiescom
  • flag-us
    DNS
    12.173.189.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    12.173.189.20.in-addr.arpa
    IN PTR
    Response
  • 3.130.204.160:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.130.253.23:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.130.204.160:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.130.253.23:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.130.204.160:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.130.253.23:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.130.204.160:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 3.130.253.23:443
    emrlogistics.com
    asih.exe
    104 B
     2
  • 8.8.8.8:53
    104.219.191.52.in-addr.arpa
    dns
    219 B
     147 B
     3
    1

    DNS Request

    104.219.191.52.in-addr.arpa

    DNS Request

    104.219.191.52.in-addr.arpa

    DNS Request

    104.219.191.52.in-addr.arpa

  • 8.8.8.8:53
    179.178.17.96.in-addr.arpa
    dns
    216 B
     137 B
     3
    1

    DNS Request

    179.178.17.96.in-addr.arpa

    DNS Request

    179.178.17.96.in-addr.arpa

    DNS Request

    179.178.17.96.in-addr.arpa

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

    DNS Request

    emrlogistics.com

    DNS Response

    3.130.204.160
    3.130.253.23

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

    DNS Request

    23.181.190.20.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
    241.150.49.20.in-addr.arpa
    dns
    72 B
     158 B
     1
    1

    DNS Request

    241.150.49.20.in-addr.arpa

  • 8.8.8.8:53
    50.23.12.20.in-addr.arpa
    dns
    70 B
     156 B
     1
    1

    DNS Request

    50.23.12.20.in-addr.arpa

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

    DNS Request

    206.23.85.13.in-addr.arpa

  • 8.8.8.8:53
    217.135.221.88.in-addr.arpa
    dns
    73 B
     139 B
     1
    1

    DNS Request

    217.135.221.88.in-addr.arpa

  • 8.8.8.8:53
    190.178.17.96.in-addr.arpa
    dns
    72 B
     137 B
     1
    1

    DNS Request

    190.178.17.96.in-addr.arpa

  • 8.8.8.8:53
    182.178.17.96.in-addr.arpa
    dns
    72 B
     137 B
     1
    1

    DNS Request

    182.178.17.96.in-addr.arpa

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

    DNS Request

    12.173.189.20.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

    4997c3e15167b39bce1a7916e615791a

    SHA1

    aaafb0b9ae2c4bc8ca5a5c4b205ba1a57661dda1

    SHA256

    8878491b08dde5b6a9daf98e04ae44a001f44fe26ed114c76404e1b8900bae5e

    SHA512

    086ebf2bc9bab925c86a1e290fdff3445d83dda280c2f3215669a18beee15e0e8c774a171a70bac70374181fcbbdba63f1ce5264da71db9a66a6a36cde10a0f6

    Download Submit

  • memory/5700-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/5700-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/5700-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

    Download

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