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Analysis

  • max time kernel
    134s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2023, 03:06

General

  • Target

    NEAS.c2b039a23bb7b1be7d4cf1cf10c38570_JC.exe

  • Size

    25KB

  • MD5

    c2b039a23bb7b1be7d4cf1cf10c38570

  • SHA1

    3f57bbf8ab667523e4c60094634d3a8cc195128f

  • SHA256

    dfa6122994dfe6baa93997497250533b6dc95a4b73dc2044b7bf8998eaafc2d6

  • SHA512

    f83e0a280abe774be47247a82bf809c294873195ed8ff9c796bc58981f7a42aeb75c2716f8928ef8cb8f1e87345d862566f7aaeb600e0e9765319e26a89b9943

  • SSDEEP

    192:uvxLS4de1HNAUQcX+l2Hg5cIasUU4L3bba4q4APTK7Yypy0kIBCCvrCrNRiAnJ9J:uvxLSkeJndXQrWjMcYyrvL+P0hYw/nIb

Score
7/10

Malware Config

Signatures

  • 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\NEAS.c2b039a23bb7b1be7d4cf1cf10c38570_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.c2b039a23bb7b1be7d4cf1cf10c38570_JC.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4384
    • C:\Users\Admin\AppData\Local\Temp\codecupdater.exe
      "C:\Users\Admin\AppData\Local\Temp\codecupdater.exe"
      2⤵
      • Executes dropped EXE
      PID:4816

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\codecupdater.exe

    Filesize

    25KB

    MD5

    d487cecc1085b4f26c9a005287617ce4

    SHA1

    15e290c408163ed60fe8721c371bb076441f8018

    SHA256

    cde475975448932d9bec2bafb6e35c3c4faf553a397260b823742cc7183c4e34

    SHA512

    c1e88ff829accc547dc5f607a1058a5c60b10d88bcca96077beb5c010aca94b4121f25180486706a95c62ac11e3f36a8daa2184e58c99aa586f8a1be344c8a93

  • C:\Users\Admin\AppData\Local\Temp\codecupdater.exe

    Filesize

    25KB

    MD5

    d487cecc1085b4f26c9a005287617ce4

    SHA1

    15e290c408163ed60fe8721c371bb076441f8018

    SHA256

    cde475975448932d9bec2bafb6e35c3c4faf553a397260b823742cc7183c4e34

    SHA512

    c1e88ff829accc547dc5f607a1058a5c60b10d88bcca96077beb5c010aca94b4121f25180486706a95c62ac11e3f36a8daa2184e58c99aa586f8a1be344c8a93

  • C:\Users\Admin\AppData\Local\Temp\codecupdater.exe

    Filesize

    25KB

    MD5

    d487cecc1085b4f26c9a005287617ce4

    SHA1

    15e290c408163ed60fe8721c371bb076441f8018

    SHA256

    cde475975448932d9bec2bafb6e35c3c4faf553a397260b823742cc7183c4e34

    SHA512

    c1e88ff829accc547dc5f607a1058a5c60b10d88bcca96077beb5c010aca94b4121f25180486706a95c62ac11e3f36a8daa2184e58c99aa586f8a1be344c8a93

  • memory/4384-0-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/4816-9-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB