Resubmissions

02/11/2022, 18:37

221102-w9vwxsahd6 7

02/11/2022, 18:32

221102-w6t58aahc3 7

Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    02/11/2022, 18:32

General

  • Target

    Pernitne.exe

  • Size

    341KB

  • MD5

    9aa55dbe3f09ed711ba58f07f871eb59

  • SHA1

    6bc7a182171695f92c2b359d1d8a7db285b9b9fc

  • SHA256

    fd6a9517da4ba99ee4af81a0538b050e42b34cae679b5a03f57fbe0587574118

  • SHA512

    1b833813c15e5f020108e174a928f7c1556a3c9b8f0b391f1b466ff6a9a389207e8bd3de43ab67e4f4b9f27d38cc4b60830a851b30f8e5bdc20673158e3fa79f

  • SSDEEP

    3072:CfY/TU9fE9PEtu2TibVoR4H2IA7Av0luSxuJyb/Q01TLwt5fsttfSRQxeqU1yAER:UYa64To0x7DlvxRDLwt5afgqUUNLdN/l

Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pernitne.exe
    "C:\Users\Admin\AppData\Local\Temp\Pernitne.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    PID:1184

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsyDE60.tmp\System.dll

    Filesize

    12KB

    MD5

    cff85c549d536f651d4fb8387f1976f2

    SHA1

    d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e

    SHA256

    8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8

    SHA512

    531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88

  • memory/1184-54-0x0000000074BB1000-0x0000000074BB3000-memory.dmp

    Filesize

    8KB