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12/08/2024, 23:52 UTC

240812-3w194ssepc 10

Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    12/08/2024, 23:52 UTC

General

  • Target

    $R0/Uninstall Ultimate Tweaks.exe

  • Size

    294KB

  • MD5

    6b7a6fd94af4915e6512a2eb986c238f

  • SHA1

    e55f47a7b3f05a309ff11a0e33b2bda4906e4213

  • SHA256

    8f3ff8e1f845235c88b116cd7165f6fa0a430907271972e5b19e0e6e8ecb1312

  • SHA512

    40e62b7628e9220741bede889a2637ffdb3e70ec0beb9aa4384d9e3339554de3c6dd921a11803d6ab7c463663de1bff30f1c5c5f09ccf5fca8280f088dc42a1e

  • SSDEEP

    6144:g740I3kLzOa0DOGqRuPlADOfMB2Ua8T2t0EyL+yaS:6BLzkD7qRuSKkUCLRKJS

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 4 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\$R0\Uninstall Ultimate Tweaks.exe
    "C:\Users\Admin\AppData\Local\Temp\$R0\Uninstall Ultimate Tweaks.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe
      "C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe" _?=C:\Users\Admin\AppData\Local\Temp\$R0\
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3532

Network

  • flag-us
    DNS
    8.8.8.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.8.8.8.in-addr.arpa
    IN PTR
    Response
    8.8.8.8.in-addr.arpa
    IN PTR
    dnsgoogle
  • 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
    10.28.171.150.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    10.28.171.150.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    arc.msn.com
    Remote address:
    8.8.8.8:53
    Request
    arc.msn.com
    IN A
    Response
    arc.msn.com
    IN CNAME
    arc.trafficmanager.net
    arc.trafficmanager.net
    IN CNAME
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    IN A
    20.223.35.26
  • flag-us
    DNS
    arc.msn.com
    Remote address:
    8.8.8.8:53
    Request
    arc.msn.com
    IN A
  • flag-us
    DNS
    25.140.123.92.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    25.140.123.92.in-addr.arpa
    IN PTR
    Response
    25.140.123.92.in-addr.arpa
    IN PTR
    a92-123-140-25deploystaticakamaitechnologiescom
  • flag-us
    DNS
    arc.msn.com
    Remote address:
    8.8.8.8:53
    Request
    arc.msn.com
    IN A
    Response
    arc.msn.com
    IN CNAME
    arc.trafficmanager.net
    arc.trafficmanager.net
    IN CNAME
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    IN A
    20.223.35.26
  • flag-us
    DNS
    26.35.223.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    26.35.223.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    43.229.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    43.229.111.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    ctldl.windowsupdate.com
    Remote address:
    8.8.8.8:53
    Request
    ctldl.windowsupdate.com
    IN A
    Response
    ctldl.windowsupdate.com
    IN CNAME
    ctldl.windowsupdate.com.delivery.microsoft.com
    ctldl.windowsupdate.com.delivery.microsoft.com
    IN CNAME
    wu-b-net.trafficmanager.net
    wu-b-net.trafficmanager.net
    IN CNAME
    bg.microsoft.map.fastly.net
    bg.microsoft.map.fastly.net
    IN A
    199.232.210.172
    bg.microsoft.map.fastly.net
    IN A
    199.232.214.172
  • flag-us
    DNS
    172.210.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.210.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    arc.msn.com
    Remote address:
    8.8.8.8:53
    Request
    arc.msn.com
    IN A
    Response
    arc.msn.com
    IN CNAME
    arc.trafficmanager.net
    arc.trafficmanager.net
    IN CNAME
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    IN A
    20.223.35.26
  • flag-us
    DNS
    arc.msn.com
    Remote address:
    8.8.8.8:53
    Request
    arc.msn.com
    IN A
    Response
    arc.msn.com
    IN CNAME
    arc.trafficmanager.net
    arc.trafficmanager.net
    IN CNAME
    iris-de-prod-azsc-v2-frc-b.francecentral.cloudapp.azure.com
    iris-de-prod-azsc-v2-frc-b.francecentral.cloudapp.azure.com
    IN A
    20.74.47.205
  • flag-us
    DNS
    205.47.74.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    205.47.74.20.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    arc.msn.com
    Remote address:
    8.8.8.8:53
    Request
    arc.msn.com
    IN A
    Response
    arc.msn.com
    IN CNAME
    arc.trafficmanager.net
    arc.trafficmanager.net
    IN CNAME
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com
    IN A
    20.223.35.26
  • flag-us
    DNS
    ris.api.iris.microsoft.com
    Remote address:
    8.8.8.8:53
    Request
    ris.api.iris.microsoft.com
    IN A
    Response
    ris.api.iris.microsoft.com
    IN CNAME
    ris-prod.trafficmanager.net
    ris-prod.trafficmanager.net
    IN CNAME
    asf-ris-prod-neu-azsc.northeurope.cloudapp.azure.com
    asf-ris-prod-neu-azsc.northeurope.cloudapp.azure.com
    IN A
    20.234.120.54
  • flag-us
    DNS
    54.120.234.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    54.120.234.20.in-addr.arpa
    IN PTR
    Response
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    1.7kB
    7.2kB
    18
    15
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    1.8kB
    7.2kB
    18
    15
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    1.8kB
    7.2kB
    18
    15
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    39.2kB
    983.9kB
    740
    728
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    1.8kB
    7.2kB
    18
    15
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    2.3kB
    895 B
    12
    10
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    2.5kB
    7.2kB
    17
    14
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    77.6kB
    2.2MB
    1612
    1609
  • 150.171.28.10:443
    tse1.mm.bing.net
    tls
    2.5kB
    7.2kB
    17
    15
  • 8.8.8.8:53
    8.8.8.8.in-addr.arpa
    dns
    325 B
    567 B
    5
    4

    DNS Request

    8.8.8.8.in-addr.arpa

    DNS Request

    95.221.229.192.in-addr.arpa

    DNS Request

    10.28.171.150.in-addr.arpa

    DNS Request

    arc.msn.com

    DNS Request

    arc.msn.com

    DNS Response

    20.223.35.26

  • 8.8.8.8:53
    25.140.123.92.in-addr.arpa
    dns
    801 B
    2.0kB
    12
    12

    DNS Request

    25.140.123.92.in-addr.arpa

    DNS Request

    arc.msn.com

    DNS Response

    20.223.35.26

    DNS Request

    26.35.223.20.in-addr.arpa

    DNS Request

    43.229.111.52.in-addr.arpa

    DNS Request

    ctldl.windowsupdate.com

    DNS Response

    199.232.210.172
    199.232.214.172

    DNS Request

    172.210.232.199.in-addr.arpa

    DNS Request

    arc.msn.com

    DNS Response

    20.223.35.26

    DNS Request

    arc.msn.com

    DNS Response

    20.74.47.205

    DNS Request

    205.47.74.20.in-addr.arpa

    DNS Request

    arc.msn.com

    DNS Response

    20.223.35.26

    DNS Request

    ris.api.iris.microsoft.com

    DNS Response

    20.234.120.54

    DNS Request

    54.120.234.20.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nscB16F.tmp\StdUtils.dll

    Filesize

    100KB

    MD5

    c6a6e03f77c313b267498515488c5740

    SHA1

    3d49fc2784b9450962ed6b82b46e9c3c957d7c15

    SHA256

    b72e9013a6204e9f01076dc38dabbf30870d44dfc66962adbf73619d4331601e

    SHA512

    9870c5879f7b72836805088079ad5bbafcb59fc3d9127f2160d4ec3d6e88d3cc8ebe5a9f5d20a4720fe6407c1336ef10f33b2b9621bc587e930d4cbacf337803

  • C:\Users\Admin\AppData\Local\Temp\nscB16F.tmp\System.dll

    Filesize

    12KB

    MD5

    0d7ad4f45dc6f5aa87f606d0331c6901

    SHA1

    48df0911f0484cbe2a8cdd5362140b63c41ee457

    SHA256

    3eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca

    SHA512

    c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9

  • C:\Users\Admin\AppData\Local\Temp\nscB16F.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nscB16F.tmp\nsDialogs.dll

    Filesize

    9KB

    MD5

    466179e1c8ee8a1ff5e4427dbb6c4a01

    SHA1

    eb607467009074278e4bd50c7eab400e95ae48f7

    SHA256

    1e40211af65923c2f4fd02ce021458a7745d28e2f383835e3015e96575632172

    SHA512

    7508a29c722d45297bfb090c8eb49bd1560ef7d4b35413f16a8aed62d3b1030a93d001a09de98c2b9fea9acf062dc99a7278786f4ece222e7436b261d14ca817

  • C:\Users\Admin\AppData\Local\Temp\~nsuA.tmp\Un_A.exe

    Filesize

    294KB

    MD5

    6b7a6fd94af4915e6512a2eb986c238f

    SHA1

    e55f47a7b3f05a309ff11a0e33b2bda4906e4213

    SHA256

    8f3ff8e1f845235c88b116cd7165f6fa0a430907271972e5b19e0e6e8ecb1312

    SHA512

    40e62b7628e9220741bede889a2637ffdb3e70ec0beb9aa4384d9e3339554de3c6dd921a11803d6ab7c463663de1bff30f1c5c5f09ccf5fca8280f088dc42a1e

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