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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 12:01

General

  • Target

    6cd5f604e6bd9f59fa893f2f8d8e962c.exe

  • Size

    204KB

  • MD5

    6cd5f604e6bd9f59fa893f2f8d8e962c

  • SHA1

    f1ba39d89a0f93079ae8018e6f9e197dfc216a60

  • SHA256

    55e03529866e7458fd208eaac1358146e547c98eac8c32c66b6aff7d861cd05f

  • SHA512

    e8f58057b479dfba5754191fb14d4c8cbffda40b45cbd98d1ca3e43353ebbbc9ca93dba364107b866ec5ddd633cd15bc685a27e286dd3260395ef247ab69a952

  • SSDEEP

    6144:gyrmrnlhNTXStXs+Ngtg5yAg4duyMDHOq8Wy9993:g5rfNTcXgIkpyMHOq8J

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of UnmapMainImage
    PID:3388
    • C:\Users\Admin\AppData\Local\Temp\6cd5f604e6bd9f59fa893f2f8d8e962c.exe
      "C:\Users\Admin\AppData\Local\Temp\6cd5f604e6bd9f59fa893f2f8d8e962c.exe"
      2⤵
      • Registers COM server for autorun
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\$Recycle.Bin\S-1-5-21-3791175113-1062217823-1177695025-1000\$4a3131d8d1a175157774ac21d0e41a67\n

    Filesize

    41KB

    MD5

    fb4e3236959152a057bc6b7603c538ef

    SHA1

    b25a70c07dd2eb1c9fdf89f7a2ffc286f226edf4

    SHA256

    8244ddfcba327a3f67a5582642c53241ee5e58d75808547cd74808bcded272d0

    SHA512

    993dbfbf71394ad1f120a8687d57eac2b9a55b11b1594aadd5a8d90edc0a26e5fd21f78317d342837ce27728613b5fc9c6ea40f86d17e5c477071be84f8aa3d2

  • memory/1240-0-0x00000000005E0000-0x00000000005E1000-memory.dmp

    Filesize

    4KB

  • memory/1240-1-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1240-2-0x00000000005F0000-0x000000000062C000-memory.dmp

    Filesize

    240KB

  • memory/1240-3-0x0000000000630000-0x0000000000631000-memory.dmp

    Filesize

    4KB

  • memory/1240-4-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/1240-10-0x00000000005F0000-0x000000000062C000-memory.dmp

    Filesize

    240KB

  • memory/1240-9-0x0000000000400000-0x000000000043C000-memory.dmp

    Filesize

    240KB

  • memory/3388-11-0x0000000000A70000-0x0000000000A71000-memory.dmp

    Filesize

    4KB