Analysis

  • max time kernel
    128s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 17:57

General

  • Target

    e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d.exe

  • Size

    216KB

  • MD5

    73853da13edec5a9d75216bdbb03843b

  • SHA1

    70e2c7d19adf42511780deac1c39d73b488764d0

  • SHA256

    e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d

  • SHA512

    140dadcd6a175df9a124d36013de2128fc6cd39788f3947f0a04a5d277df15ebfae5b4534ef2045315eadbf8568090dcd428bf8c114381f9ff3155271b306851

  • SSDEEP

    3072:sr85CxOQWc4KPUteztZ72zXYbe2VhwSQYGPvI4534EFHiqqYEFHksJ:k9xHxRv7NyKl6pp9wpkg

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d.exe
    "C:\Users\Admin\AppData\Local\Temp\e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:1320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d.exe

    Filesize

    176KB

    MD5

    c6883b4914b722cb358bbcf6a4f1e67d

    SHA1

    09d075cd08037473915a0134194226efa894a2ac

    SHA256

    2d11126ad67dbe686d52d02bbecf81c7ee721123077ff5f9718104cf5a46c4e4

    SHA512

    905c0fd3af5d8ccfbc53c7edf123384d30bb576f2eb4b7495f743725ea2a17fbb4f18216baddf0641b2f91090ced2f4c5f1c19b7b5e0bfef40bdf909c26e4085

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e6374204e55ceb79701034afb0f993e9b9903db379a4714f26cc0aa6e6f15a4d.exe

    Filesize

    176KB

    MD5

    c6883b4914b722cb358bbcf6a4f1e67d

    SHA1

    09d075cd08037473915a0134194226efa894a2ac

    SHA256

    2d11126ad67dbe686d52d02bbecf81c7ee721123077ff5f9718104cf5a46c4e4

    SHA512

    905c0fd3af5d8ccfbc53c7edf123384d30bb576f2eb4b7495f743725ea2a17fbb4f18216baddf0641b2f91090ced2f4c5f1c19b7b5e0bfef40bdf909c26e4085

  • memory/1320-132-0x0000000000000000-mapping.dmp

  • memory/1320-135-0x000000001C600000-0x000000001D036000-memory.dmp

    Filesize

    10.2MB