Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    02-11-2022 21:56

General

  • Target

    file.exe

  • Size

    3.9MB

  • MD5

    3d5ec1d0d651df913d6148081a72acb9

  • SHA1

    66b1f6233e5e3c21977307bd526abebb5a1f5051

  • SHA256

    91380be57c9e845bd46ab84a966793a76de0fc4ee7022b52316930fe4f17281c

  • SHA512

    1213b49181cef1899122abf129e0f0c9f6807fa2b9ccce9963f7e9a49e330062d34cd7c9fff6d2b1d418ef8aeb29d86cd21c5cfb50cc12dc4e10d44e02349c13

  • SSDEEP

    98304:iNuSZTKA0t9FFPE0yr0V/YVrsk9N8ivyhAdsPSQxSBtq0f4:ubk9fcvAcVN8iNIS7Hqw

Malware Config

Extracted

Family

blackguard

C2

https://clinokrp.online

Signatures

  • BlackGuard

    Infostealer first seen in Late 2021.

  • Downloads MZ/PE file
  • Drops startup file 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Drops startup file
    • Loads dropped DLL
    • Accesses Microsoft Outlook profiles
    • Modifies system certificate store
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:1768

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\x64\SQLite.Interop.dll

    Filesize

    1.7MB

    MD5

    1288823e8e1fca09bb490ce46988188d

    SHA1

    b07fe4a5d032296e3a7d0727216af8c1d2166e91

    SHA256

    6514973856d1767ccb375dcb253400e710fb4f91feb758041d8defe92b1886c5

    SHA512

    88967f64116951092a54118055eab462082f16676ea7565f42515e88765813b53cdfbba5181318e73b668e04ddd030a0bfcf5cf47936772f68df85488b865acd

  • memory/1768-54-0x00000000012C0000-0x00000000016A4000-memory.dmp

    Filesize

    3.9MB

  • memory/1768-55-0x0000000000CE0000-0x0000000000D44000-memory.dmp

    Filesize

    400KB

  • memory/1768-57-0x0000000000A80000-0x0000000000AA5000-memory.dmp

    Filesize

    148KB

  • memory/1768-58-0x000000001AE30000-0x000000001AEA6000-memory.dmp

    Filesize

    472KB