Overview

overview

10

Static

static

10

2024-06-06...er.exe

windows7-x64

9

2024-06-06...er.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 07:24 UTC

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General

  • Target

    2024-06-06_59a1e256ad6f2117e8c18c2942d3c1c6_cryptolocker.exe

  • Size

    41KB

  • MD5

    59a1e256ad6f2117e8c18c2942d3c1c6

  • SHA1

    aaa4a4b0d5a8cd47f400749087b5f4dc8b39642c

  • SHA256

    691bd76a801ffa36123118d6dd30d2e2b4ddc627665655b6fa1f83035aaa70c2

  • SHA512

    0ad50a6e405a9d63c492e13212488c69cd245aea87292b1ad5fdeb506c0ea1f3cb7106f676d0ca863c3b1350ac7295fd4dd0cefb57417767d7105f68c509a092

  • SSDEEP

    768:q7PdFecFS5agQtOOtEvwDpjeMLZdzuqpXsiE8Wq/DpkITY/0p:qDdFJy3QMOtEvwDpjjWMl7TF

Score
9/10
upx

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 IoCs
  • UPX dump on OEP (original entry point) 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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\2024-06-06_59a1e256ad6f2117e8c18c2942d3c1c6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_59a1e256ad6f2117e8c18c2942d3c1c6_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:5024

Network

  • 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-1.hugedomains.com
    traff-1.hugedomains.com
    IN CNAME
    hdr-nlb9-41371129e8304c29.elb.us-east-1.amazonaws.com
    hdr-nlb9-41371129e8304c29.elb.us-east-1.amazonaws.com
    IN A
    52.71.57.184
    hdr-nlb9-41371129e8304c29.elb.us-east-1.amazonaws.com
    IN A
    54.209.32.212
  • flag-us
    DNS
    28.118.140.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    28.118.140.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    0.204.248.87.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    0.204.248.87.in-addr.arpa
    IN PTR
    Response
    0.204.248.87.in-addr.arpa
    IN PTR
    https-87-248-204-0lhrllnwnet
  • flag-us
    DNS
    22.160.190.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    22.160.190.20.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
    217.106.137.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    217.106.137.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    26.165.165.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    26.165.165.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    15.164.165.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    15.164.165.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    0.205.248.87.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    0.205.248.87.in-addr.arpa
    IN PTR
    Response
    0.205.248.87.in-addr.arpa
    IN PTR
    https-87-248-205-0lgwllnwnet
  • flag-us
    DNS
    41.173.79.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    41.173.79.40.in-addr.arpa
    IN PTR
    Response
  • 52.71.57.184:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 54.209.32.212:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 52.71.57.184:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 54.209.32.212:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 52.71.57.184:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 54.209.32.212:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 52.71.57.184:443
    emrlogistics.com
    asih.exe
    260 B
     5
  • 54.209.32.212:443
    emrlogistics.com
    asih.exe
    104 B
     2
  • 8.8.8.8:53
    emrlogistics.com
    dns
    asih.exe
    62 B
     192 B
     1
    1

    DNS Request

    emrlogistics.com

    DNS Response

    52.71.57.184
    54.209.32.212

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

    DNS Request

    28.118.140.52.in-addr.arpa

  • 8.8.8.8:53
    0.204.248.87.in-addr.arpa
    dns
    71 B
     116 B
     1
    1

    DNS Request

    0.204.248.87.in-addr.arpa

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

    DNS Request

    22.160.190.20.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
    217.106.137.52.in-addr.arpa
    dns
    73 B
     147 B
     1
    1

    DNS Request

    217.106.137.52.in-addr.arpa

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

    DNS Request

    26.165.165.52.in-addr.arpa

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

    DNS Request

    15.164.165.52.in-addr.arpa

  • 8.8.8.8:53
    0.205.248.87.in-addr.arpa
    dns
    71 B
     116 B
     1
    1

    DNS Request

    0.205.248.87.in-addr.arpa

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

    DNS Request

    41.173.79.40.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    41KB

    MD5

    459d347093694055fb83c9cddc9ce2fe

    SHA1

    3df9f708eef8e9646c25bf4dcc4d7e3690e6134b

    SHA256

    01b8d919777bb77fc09156bf88b69815fd8e6fb27bc4dff00ac52b93546d7cf2

    SHA512

    9c6c0e1dd4205595eb2600d4c318a3daa806033e018130ceb449b579b0d76436b527c33c8c82ac97098149e2cc24e01d26f10d5f4871f1ca1279d594e3c1032f

    Download Submit

  • memory/3408-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

    Download

  • memory/3408-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/3408-2-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/3408-9-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/3408-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

    Download

  • memory/5024-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/5024-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

    Download

  • memory/5024-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

    Download

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