Analysis

  • max time kernel
    7s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 03:49

General

  • Target

    44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe

  • Size

    199KB

  • MD5

    2ccc80fabe4add815cc1b8c2a5c2b1cc

  • SHA1

    ae02cd2291dd0d1856cb8d2f42bba43268da16a9

  • SHA256

    44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08

  • SHA512

    2cac20d47d80f67ec87b71286706878df2d4b9d8a8466ecc327db9de6104261bc455233791ca6b560075cc7bfdd5ad9e132c2d4520d0965f13704255c5749d69

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
  • Loads dropped DLL 2 IoCs
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe
    "C:\Users\Admin\AppData\Local\Temp\44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:872
    • C:\Users\Admin\AppData\Local\Temp\3582-490\44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe"
      2⤵
      • Executes dropped EXE
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:1120

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe
    Filesize

    159KB

    MD5

    4d67a44d9b4d69c8eba7412964c8e0a1

    SHA1

    00297b105d9f40c8c7fe9c8bee2f6862adb80b8b

    SHA256

    657e4a08481991d91aacdc1484f7d40aebdf1b51775a3ef356d272b36ccca761

    SHA512

    4d4c2b61b35ced08312d8944fb955dd5ef2a53e6eff4e8c113015e13b9ce890ac5f3beddfcd8b582a51d148741af6142f02d8b2b83d12e5924cc029f6a4fed50

  • C:\Users\Admin\AppData\Local\Temp\3582-490\44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe
    Filesize

    159KB

    MD5

    4d67a44d9b4d69c8eba7412964c8e0a1

    SHA1

    00297b105d9f40c8c7fe9c8bee2f6862adb80b8b

    SHA256

    657e4a08481991d91aacdc1484f7d40aebdf1b51775a3ef356d272b36ccca761

    SHA512

    4d4c2b61b35ced08312d8944fb955dd5ef2a53e6eff4e8c113015e13b9ce890ac5f3beddfcd8b582a51d148741af6142f02d8b2b83d12e5924cc029f6a4fed50

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\44da4ec412f62db9f5aa651838bbc061d602f21cc7d2f4d8bcfd2aa827e58d08.exe
    Filesize

    159KB

    MD5

    4d67a44d9b4d69c8eba7412964c8e0a1

    SHA1

    00297b105d9f40c8c7fe9c8bee2f6862adb80b8b

    SHA256

    657e4a08481991d91aacdc1484f7d40aebdf1b51775a3ef356d272b36ccca761

    SHA512

    4d4c2b61b35ced08312d8944fb955dd5ef2a53e6eff4e8c113015e13b9ce890ac5f3beddfcd8b582a51d148741af6142f02d8b2b83d12e5924cc029f6a4fed50

  • memory/872-54-0x0000000076721000-0x0000000076723000-memory.dmp
    Filesize

    8KB

  • memory/1120-56-0x0000000000000000-mapping.dmp
  • memory/1120-59-0x0000000000260000-0x000000000028E000-memory.dmp
    Filesize

    184KB