Analysis

  • max time kernel
    108s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-05-2022 00:05

General

  • Target

    76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d.exe

  • Size

    226KB

  • MD5

    5e6f4494bbf9c04521bf3a0c9aad0e2e

  • SHA1

    3ef1d5c8c743bd4d39bbd968249fb80f74fd80a2

  • SHA256

    76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d

  • SHA512

    d86535f30f38f8b160eb5f37a0f681f7bcdcd5516652d2ddcfa0673c7c99f6a8b5ab60345ca3912b4dec6e311ac7b471262adae51ef72a07b0c262ad68eee727

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 WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d.exe
    "C:\Users\Admin\AppData\Local\Temp\76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d.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:1104
    • C:\Users\Admin\AppData\Local\Temp\3582-490\76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d.exe"
      2⤵
      • Executes dropped EXE
      PID:1456

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d.exe

    Filesize

    186KB

    MD5

    21cd656309c3a89c7c159c0f83628234

    SHA1

    7788916cecbd3c39ca5e1e1fa5b664318b9e2fc0

    SHA256

    62a7ab9a02a0b2324485255d84dd8c4da45a857a9ba8be5c076917c8960b43da

    SHA512

    052044df989c658a48061838ac9e02af1dfaa338cb8dcc96e8e244739a643e03efd1a28a4aee11fe073be0f4501a69d624b75ac097377252cfa9d5b9f89ef2d8

  • C:\Users\Admin\AppData\Local\Temp\3582-490\76e0d5999d31c50c72851ee44906974529045c7acffda7cf5d96e6d25795c21d.exe

    Filesize

    186KB

    MD5

    21cd656309c3a89c7c159c0f83628234

    SHA1

    7788916cecbd3c39ca5e1e1fa5b664318b9e2fc0

    SHA256

    62a7ab9a02a0b2324485255d84dd8c4da45a857a9ba8be5c076917c8960b43da

    SHA512

    052044df989c658a48061838ac9e02af1dfaa338cb8dcc96e8e244739a643e03efd1a28a4aee11fe073be0f4501a69d624b75ac097377252cfa9d5b9f89ef2d8

  • memory/1456-130-0x0000000000000000-mapping.dmp