Analysis

  • max time kernel
    153s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2022 05:09

General

  • Target

    d677f28887b9c71aa1d23f92bf522b963d3435d79e242badd3ade46d68c48231.exe

  • Size

    524KB

  • MD5

    6c53c0eb989f30db89ea1b91fb449d9e

  • SHA1

    1efbdc78a91f98cfc00b00f0633938cda0a0733d

  • SHA256

    d677f28887b9c71aa1d23f92bf522b963d3435d79e242badd3ade46d68c48231

  • SHA512

    b404cd76199ead886e99efc228537487ff8f7d3228c5891fb1fb59273d876622b306a59874e6740976939ef39506303da9f876935bb8bd6bc655271a8ca1ef78

  • SSDEEP

    6144:g1F5oXpcFb5DRsNxIJU4DGJWHenNMyuZ6KfglZTTA1h9NVkD:UFmZcZlyNGU46W+wZ6KqA1hPVk

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Enumerates connected drives 3 TTPs 22 IoCs

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

  • Drops file in System32 directory 27 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d677f28887b9c71aa1d23f92bf522b963d3435d79e242badd3ade46d68c48231.exe
    "C:\Users\Admin\AppData\Local\Temp\d677f28887b9c71aa1d23f92bf522b963d3435d79e242badd3ade46d68c48231.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:4332
  • C:\Windows\servicing\TrustedInstaller.exe
    C:\Windows\servicing\TrustedInstaller.exe
    1⤵
    • Executes dropped EXE
    • Drops file in Windows directory
    PID:220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Windows\servicing\TrustedInstaller.exe

    Filesize

    193KB

    MD5

    805418acd5280e97074bdadca4d95195

    SHA1

    a69e4f03d775a7a0cc5ed2d5569cbfbb4d31d2d6

    SHA256

    73684e31ad4afe3fdc525b51ccaacc14d402c92db9c42e3fcbfe1e65524b1c01

    SHA512

    630a255950c0ae0983ae907d20326adea36ce262c7784428a0811b04726849c929bc9cea338a89e77447a6cec30b0889694158327c002566d3cf5be2bb88e4de

  • memory/4332-132-0x000000004AD00000-0x000000004ADC0000-memory.dmp

    Filesize

    768KB

  • memory/4332-134-0x000000004AD00000-0x000000004ADC0000-memory.dmp

    Filesize

    768KB