Analysis

  • max time kernel
    17s
  • max time network
    70s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    30-04-2021 12:11

General

  • Target

    6e4da46962c65c24ebe731eba3468420a3a0a28cdc923e82396f1b8cedd05da1.exe

  • Size

    158KB

  • MD5

    6ce9ef88f1577c4810e30ddc2c9ea5cc

  • SHA1

    132d9bd87673ff394423d59c912dc726f2e28511

  • SHA256

    6e4da46962c65c24ebe731eba3468420a3a0a28cdc923e82396f1b8cedd05da1

  • SHA512

    07572e51ead0a25155b89fbce5d9efd9449d923adce5b8f71e209a1425790952668bf55acf8b71f94f8f85b5fadb558217b4d2c031a8e7f6715b2fc7b485ad9e

Malware Config

Extracted

Family

azorult

C2

http://31.210.21.203/3.4/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Loads dropped DLL 7 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e4da46962c65c24ebe731eba3468420a3a0a28cdc923e82396f1b8cedd05da1.exe
    "C:\Users\Admin\AppData\Local\Temp\6e4da46962c65c24ebe731eba3468420a3a0a28cdc923e82396f1b8cedd05da1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:584
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Users\Admin\AppData\Local\Temp\6e4da46962c65c24ebe731eba3468420a3a0a28cdc923e82396f1b8cedd05da1.exe"
      2⤵
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2884

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\6E3C648E\mozglue.dll
    MD5

    9e682f1eb98a9d41468fc3e50f907635

    SHA1

    85e0ceca36f657ddf6547aa0744f0855a27527ee

    SHA256

    830533bb569594ec2f7c07896b90225006b90a9af108f49d6fb6bebd02428b2d

    SHA512

    230230722d61ac1089fabf3f2decfa04f9296498f8e2a2a49b1527797dca67b5a11ab8656f04087acadf873fa8976400d57c77c404eba4aff89d92b9986f32ed

  • \Users\Admin\AppData\Local\Temp\6E3C648E\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\Local\Temp\6E3C648E\nss3.dll
    MD5

    556ea09421a0f74d31c4c0a89a70dc23

    SHA1

    f739ba9b548ee64b13eb434a3130406d23f836e3

    SHA256

    f0e6210d4a0d48c7908d8d1c270449c91eb4523e312a61256833bfeaf699abfb

    SHA512

    2481fc80dffa8922569552c3c3ebaef8d0341b80427447a14b291ec39ea62ab9c05a75e85eef5ea7f857488cab1463c18586f9b076e2958c5a314e459045ede2

  • \Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\6E3C648E\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\nsy67DA.tmp\o4s2f1v.dll
    MD5

    f5291195ee5047d218d5f5e531ecc918

    SHA1

    67b370015a071eb8e547b24f80afa507eda3e3ca

    SHA256

    e40e31082d0c7d1e0b286ad6e3c8fec7b0a36aba7ff85d7744d8286bc58da5e8

    SHA512

    d6b9cccf171497d49eca8e7edc5b4ea08c5010b77b425b6c4fb9a05b50c5b6ceca4589b79cfbd18d6166d4ba4c36f7d9984770384651f94a62a1f60ad713aa44

  • memory/584-115-0x0000000000AB0000-0x0000000000AB2000-memory.dmp
    Filesize

    8KB

  • memory/2884-116-0x000000000041A684-mapping.dmp
  • memory/2884-117-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB