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Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2023, 14:41

General

  • Target

    NEAS.8dac60126622aa3c7dc96d3dce9e3d96_JC.exe

  • Size

    119KB

  • MD5

    8dac60126622aa3c7dc96d3dce9e3d96

  • SHA1

    9765a97d89eb7e9bc780774309cd859c3ff3b339

  • SHA256

    aaf81b1bccda6e62369db3267fdcd6c72478c94ed758151f96327dcb67b6837d

  • SHA512

    b49dca7f6eccc412a18d2e2dab7166d5ebcb1d3708d642a24ebb23416c31098c5085919f9b20e18d0c9e0055ea9ec889dca08aaf3126e0a44576fab77fa9daae

  • SSDEEP

    3072:HOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPh:HIs9OKofHfHTXQLzgvnzHPowYbvrjD/E

Malware Config

Signatures

  • Drops file in Drivers directory 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 19 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry 3 TTPs 6 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 64 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.8dac60126622aa3c7dc96d3dce9e3d96_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.8dac60126622aa3c7dc96d3dce9e3d96_JC.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2196
    • C:\Windows\SysWOW64\ctfmen.exe
      ctfmen.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\Windows\SysWOW64\smnss.exe
        C:\Windows\system32\smnss.exe
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Maps connected drives based on registry
        • Drops file in System32 directory
        • Drops file in Program Files directory
        • Drops file in Windows directory
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    ba2e66469c6482019b3a1e1ac8e89502

    SHA1

    634e279cf6d6b43ea4998e194fc8c98a804c7f59

    SHA256

    0b815a785706fa3a5e1a98efb2dfd4d7b25bf68f69ad18facd873b83c4d62763

    SHA512

    a0dc566e403d2e2db1443f5d504b6366cfce601dd772a931036e1067784ba576946f7c9b2aff5633e3769ce1fea17c5e57f297d3121fd74728c6a75c8488bc6e

  • C:\Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    ba2e66469c6482019b3a1e1ac8e89502

    SHA1

    634e279cf6d6b43ea4998e194fc8c98a804c7f59

    SHA256

    0b815a785706fa3a5e1a98efb2dfd4d7b25bf68f69ad18facd873b83c4d62763

    SHA512

    a0dc566e403d2e2db1443f5d504b6366cfce601dd772a931036e1067784ba576946f7c9b2aff5633e3769ce1fea17c5e57f297d3121fd74728c6a75c8488bc6e

  • C:\Windows\SysWOW64\grcopy.dll

    Filesize

    119KB

    MD5

    c3d46dbf2355aef9aaf22d6e53e3ed27

    SHA1

    b72804086f94754699aa5fcd388a158c535fecd5

    SHA256

    58198b2e92af14ee80736b360b580a89403037ac6214ec42578803a54eda4bca

    SHA512

    49d10d6637ead0ff260ef951935fd54ebe9077dccf4bdeffeef9fbd4bb31f4b84972ef14dd05468d21f9b639d2b9531719ad89a776943bd0f851dccff42601b8

  • C:\Windows\SysWOW64\satornas.dll

    Filesize

    183B

    MD5

    7e1d3cc074a17f1e71488f67b8dd5dff

    SHA1

    83d1ce14093487f029704598637b34b598dfa6e5

    SHA256

    7740f99f9c97ad60e510fe95e52bf8f2c4d5164006e7864d717ae9839dd0b0a0

    SHA512

    7f924c89dadf8ae7943c48aebc2f0bd4c80678045d499f4c7888cb9bf128a81a46b22a6b3bb60b0ff81eb6b4d1517ad729ac81971c63ea8868ba99fdf03ad035

  • C:\Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    f7370c7c7b60408abbaacdd335efc880

    SHA1

    967f804d7f868c54199cc5d205a66a8878eebbcc

    SHA256

    76957f047a5f8be789c97eb5db9519f238b9119bce75e5c4aa0e07d1b932e190

    SHA512

    21bc00a0d31568dc292ae943dea05e9d5881ed98daaeea1f129e7bbef8891b284df9c93bbea3399b78acf3ac80ad28b8277cacf266d25dcadbcb2122649a1757

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    119KB

    MD5

    c3d46dbf2355aef9aaf22d6e53e3ed27

    SHA1

    b72804086f94754699aa5fcd388a158c535fecd5

    SHA256

    58198b2e92af14ee80736b360b580a89403037ac6214ec42578803a54eda4bca

    SHA512

    49d10d6637ead0ff260ef951935fd54ebe9077dccf4bdeffeef9fbd4bb31f4b84972ef14dd05468d21f9b639d2b9531719ad89a776943bd0f851dccff42601b8

  • C:\Windows\SysWOW64\smnss.exe

    Filesize

    119KB

    MD5

    c3d46dbf2355aef9aaf22d6e53e3ed27

    SHA1

    b72804086f94754699aa5fcd388a158c535fecd5

    SHA256

    58198b2e92af14ee80736b360b580a89403037ac6214ec42578803a54eda4bca

    SHA512

    49d10d6637ead0ff260ef951935fd54ebe9077dccf4bdeffeef9fbd4bb31f4b84972ef14dd05468d21f9b639d2b9531719ad89a776943bd0f851dccff42601b8

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    ba2e66469c6482019b3a1e1ac8e89502

    SHA1

    634e279cf6d6b43ea4998e194fc8c98a804c7f59

    SHA256

    0b815a785706fa3a5e1a98efb2dfd4d7b25bf68f69ad18facd873b83c4d62763

    SHA512

    a0dc566e403d2e2db1443f5d504b6366cfce601dd772a931036e1067784ba576946f7c9b2aff5633e3769ce1fea17c5e57f297d3121fd74728c6a75c8488bc6e

  • \Windows\SysWOW64\ctfmen.exe

    Filesize

    4KB

    MD5

    ba2e66469c6482019b3a1e1ac8e89502

    SHA1

    634e279cf6d6b43ea4998e194fc8c98a804c7f59

    SHA256

    0b815a785706fa3a5e1a98efb2dfd4d7b25bf68f69ad18facd873b83c4d62763

    SHA512

    a0dc566e403d2e2db1443f5d504b6366cfce601dd772a931036e1067784ba576946f7c9b2aff5633e3769ce1fea17c5e57f297d3121fd74728c6a75c8488bc6e

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    f7370c7c7b60408abbaacdd335efc880

    SHA1

    967f804d7f868c54199cc5d205a66a8878eebbcc

    SHA256

    76957f047a5f8be789c97eb5db9519f238b9119bce75e5c4aa0e07d1b932e190

    SHA512

    21bc00a0d31568dc292ae943dea05e9d5881ed98daaeea1f129e7bbef8891b284df9c93bbea3399b78acf3ac80ad28b8277cacf266d25dcadbcb2122649a1757

  • \Windows\SysWOW64\shervans.dll

    Filesize

    8KB

    MD5

    f7370c7c7b60408abbaacdd335efc880

    SHA1

    967f804d7f868c54199cc5d205a66a8878eebbcc

    SHA256

    76957f047a5f8be789c97eb5db9519f238b9119bce75e5c4aa0e07d1b932e190

    SHA512

    21bc00a0d31568dc292ae943dea05e9d5881ed98daaeea1f129e7bbef8891b284df9c93bbea3399b78acf3ac80ad28b8277cacf266d25dcadbcb2122649a1757

  • \Windows\SysWOW64\smnss.exe

    Filesize

    119KB

    MD5

    c3d46dbf2355aef9aaf22d6e53e3ed27

    SHA1

    b72804086f94754699aa5fcd388a158c535fecd5

    SHA256

    58198b2e92af14ee80736b360b580a89403037ac6214ec42578803a54eda4bca

    SHA512

    49d10d6637ead0ff260ef951935fd54ebe9077dccf4bdeffeef9fbd4bb31f4b84972ef14dd05468d21f9b639d2b9531719ad89a776943bd0f851dccff42601b8

  • \Windows\SysWOW64\smnss.exe

    Filesize

    119KB

    MD5

    c3d46dbf2355aef9aaf22d6e53e3ed27

    SHA1

    b72804086f94754699aa5fcd388a158c535fecd5

    SHA256

    58198b2e92af14ee80736b360b580a89403037ac6214ec42578803a54eda4bca

    SHA512

    49d10d6637ead0ff260ef951935fd54ebe9077dccf4bdeffeef9fbd4bb31f4b84972ef14dd05468d21f9b639d2b9531719ad89a776943bd0f851dccff42601b8

  • memory/2196-12-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2196-27-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2196-0-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2196-18-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2196-25-0x0000000000340000-0x0000000000349000-memory.dmp

    Filesize

    36KB

  • memory/2196-24-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2612-35-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2612-40-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2612-42-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/2612-43-0x0000000010000000-0x000000001000D000-memory.dmp

    Filesize

    52KB

  • memory/2740-34-0x0000000000320000-0x0000000000340000-memory.dmp

    Filesize

    128KB

  • memory/2740-32-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB