Analysis

  • max time kernel
    133s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/11/2023, 19:06

General

  • Target

    NEAS.d04c694bf62bf4689f4734b5ee00f3e0_JC.exe

  • Size

    143KB

  • MD5

    d04c694bf62bf4689f4734b5ee00f3e0

  • SHA1

    fc6de3e8ec847c0531332890f1c038a026c6b529

  • SHA256

    77fafdb63594e606b0a3352934e350109089c793a1ac3fb9d8477050f7c2e107

  • SHA512

    7e41dfd48686f8510cda701d513bfaa529c8fa32bfa24c41639d01fa2a17dc043cc8fdb046c22b80a0a1eccbb037ff81e16ed7aa917a56854ab425ccb18ec037

  • SSDEEP

    3072:PC5AvbKpzDaDEi/u1SAeh76kSxczsN+pTxG8o4EX5Si8UUKAsdAbOa31:P9vbAHUoTxkkMU4xGJX5Si8Ud2iaF

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
  • Loads dropped DLL 12 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.d04c694bf62bf4689f4734b5ee00f3e0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.d04c694bf62bf4689f4734b5ee00f3e0_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3248
    • 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\
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      PID:4864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\StdUtils.dll

    Filesize

    101KB

    MD5

    33b4e69e7835e18b9437623367dd1787

    SHA1

    53afa03edaf931abdc2d828e5a2c89ad573d926c

    SHA256

    72d38ef115e71fc73dc5978987c583fc8c6b50ff12e4a5d30649a4d164a8b6ae

    SHA512

    ca890e785d1a0a7e0b4a748416fba417826ae66b46e600f407d4e795b444612a8b830f579f2cf5b6e051bea800604f34f8801cc3daf05c8d29ad05bcda454a77

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\System.dll

    Filesize

    11KB

    MD5

    17ed1c86bd67e78ade4712be48a7d2bd

    SHA1

    1cc9fe86d6d6030b4dae45ecddce5907991c01a0

    SHA256

    bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb

    SHA512

    0cbed521e7d6d1f85977b3f7d3ca7ac34e1b5495b69fd8c7bfa1a846baf53b0ecd06fe1ad02a3599082ffacaf8c71a3bb4e32dec05f8e24859d736b828092cd5

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\UAC.dll

    Filesize

    14KB

    MD5

    adb29e6b186daa765dc750128649b63d

    SHA1

    160cbdc4cb0ac2c142d361df138c537aa7e708c9

    SHA256

    2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    SHA512

    b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\WinShell.dll

    Filesize

    3KB

    MD5

    1cc7c37b7e0c8cd8bf04b6cc283e1e56

    SHA1

    0b9519763be6625bd5abce175dcc59c96d100d4c

    SHA256

    9be85b986ea66a6997dde658abe82b3147ed2a1a3dcb784bb5176f41d22815a6

    SHA512

    7acf7f8e68aa6066b59ca9f2ae2e67997e6b347bc08eb788d2a119b3295c844b5b9606757168e8d2fbd61c2cda367bf80e9e48c9a52c28d5a7a00464bfd2048f

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\nsProcess.dll

    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\nsProcess.dll

    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

  • C:\Users\Admin\AppData\Local\Temp\nss65BB.tmp\nsProcess.dll

    Filesize

    4KB

    MD5

    f0438a894f3a7e01a4aae8d1b5dd0289

    SHA1

    b058e3fcfb7b550041da16bf10d8837024c38bf6

    SHA256

    30c6c3dd3cc7fcea6e6081ce821adc7b2888542dae30bf00e881c0a105eb4d11

    SHA512

    f91fcea19cbddf8086affcb63fe599dc2b36351fc81ac144f58a80a524043ddeaa3943f36c86ebae45dd82e8faf622ea7b7c9b776e74c54b93df2963cfe66cc7

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

    Filesize

    143KB

    MD5

    d04c694bf62bf4689f4734b5ee00f3e0

    SHA1

    fc6de3e8ec847c0531332890f1c038a026c6b529

    SHA256

    77fafdb63594e606b0a3352934e350109089c793a1ac3fb9d8477050f7c2e107

    SHA512

    7e41dfd48686f8510cda701d513bfaa529c8fa32bfa24c41639d01fa2a17dc043cc8fdb046c22b80a0a1eccbb037ff81e16ed7aa917a56854ab425ccb18ec037

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

    Filesize

    143KB

    MD5

    d04c694bf62bf4689f4734b5ee00f3e0

    SHA1

    fc6de3e8ec847c0531332890f1c038a026c6b529

    SHA256

    77fafdb63594e606b0a3352934e350109089c793a1ac3fb9d8477050f7c2e107

    SHA512

    7e41dfd48686f8510cda701d513bfaa529c8fa32bfa24c41639d01fa2a17dc043cc8fdb046c22b80a0a1eccbb037ff81e16ed7aa917a56854ab425ccb18ec037