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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/12/2024, 01:28 UTC

General

  • Target

    2024-12-18_bcf52a0a47b0ad28d13e6c0002ca79b9_cobalt-strike_ryuk.exe

  • Size

    3.1MB

  • MD5

    bcf52a0a47b0ad28d13e6c0002ca79b9

  • SHA1

    46331f1bea07b857fbb69bdd50ffd945e9e5f94c

  • SHA256

    908b67569cb0ade3de4b268c6434fc6f1bd1dd6c34e450f85a970a2b9ba96b12

  • SHA512

    c2a4a09448974c1bc95cb66e923c67ee0ea74826338838a76c11fc907f7fa762e1da90135c8ea3a6aeea5da16a6a63fce76c6ace4cc02a0685f8d03937fddc82

  • SSDEEP

    24576:SBvGLDqo2AH/mhrnOG1HuHPIsfHGY+++Ct+bNZUTRoB71b0P7SY8Vvhdri2:uCzHubDsy9Rb0J8Jn

Score
10/10

Malware Config

Extracted

Family

meduza

C2

147.45.44.228

Attributes
  • anti_dbg

    true

  • anti_vm

    true

  • build_name

    542

  • extensions

    none

  • grabber_max_size

    1.048576e+06

  • links

    none

  • port

    15666

  • self_destruct

    true

Signatures

  • Meduza

    Meduza is a crypto wallet and info stealer written in C++.

  • Meduza Stealer payload 4 IoCs
  • Meduza family
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-18_bcf52a0a47b0ad28d13e6c0002ca79b9_cobalt-strike_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-18_bcf52a0a47b0ad28d13e6c0002ca79b9_cobalt-strike_ryuk.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1996
    • C:\Users\Admin\AppData\Local\Temp\2024-12-18_bcf52a0a47b0ad28d13e6c0002ca79b9_cobalt-strike_ryuk.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-18_bcf52a0a47b0ad28d13e6c0002ca79b9_cobalt-strike_ryuk.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      PID:3316

Network

  • 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
    182.129.81.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    182.129.81.91.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    136.32.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    136.32.126.40.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
    97.17.167.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    97.17.167.52.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
    198.187.3.20.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    198.187.3.20.in-addr.arpa
    IN PTR
    Response
  • 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
    86.49.80.91.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    86.49.80.91.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    83.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    83.210.23.2.in-addr.arpa
    IN PTR
    Response
    83.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-83deploystaticakamaitechnologiescom
  • 147.45.44.228:15666
    2024-12-18_bcf52a0a47b0ad28d13e6c0002ca79b9_cobalt-strike_ryuk.exe
    260 B
    5
  • 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
    136.32.126.40.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    136.32.126.40.in-addr.arpa

  • 8.8.8.8:53
    182.129.81.91.in-addr.arpa
    dns
    72 B
    147 B
    1
    1

    DNS Request

    182.129.81.91.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
    97.17.167.52.in-addr.arpa
    dns
    71 B
    145 B
    1
    1

    DNS Request

    97.17.167.52.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
    198.187.3.20.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    198.187.3.20.in-addr.arpa

  • 8.8.8.8:53
    172.210.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.210.232.199.in-addr.arpa

  • 8.8.8.8:53
    86.49.80.91.in-addr.arpa
    dns
    70 B
    145 B
    1
    1

    DNS Request

    86.49.80.91.in-addr.arpa

  • 8.8.8.8:53
    83.210.23.2.in-addr.arpa
    dns
    70 B
    133 B
    1
    1

    DNS Request

    83.210.23.2.in-addr.arpa

  • 8.8.8.8:53

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3316-1-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/3316-2-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/3316-0-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

  • memory/3316-3-0x0000000140000000-0x0000000140141000-memory.dmp

    Filesize

    1.3MB

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