Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    19/08/2023, 05:57

General

  • Target

    11c7e5c965be3cff7410e837561e7e82.exe

  • Size

    39KB

  • MD5

    11c7e5c965be3cff7410e837561e7e82

  • SHA1

    1727060d2778926d351cc12de25adc273c334257

  • SHA256

    a1e21180b104f0b1cc05fcebd9a9f32c9820f7704693822df06c91d8ef7aad95

  • SHA512

    dc9c7a0b5c712d08d0e664db884b9f54da4daabdb404ebbc7c85184457f6979ef465ede81e5132a8c8f04c4711fc6d700e1201a93b94b0f4101fad9c020c1278

  • SSDEEP

    384:K9VD6tee+qUOTd2opQTLAdz1SvNmhpdvOjT7PbA6HBiTSnjxZMdP05ldpRMaYIBI:k6Qe+qUv8zcqdvOXA6XkPslJvGaVW

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\11c7e5c965be3cff7410e837561e7e82.exe
    "C:\Users\Admin\AppData\Local\Temp\11c7e5c965be3cff7410e837561e7e82.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1328

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1256-55-0x0000000002C80000-0x0000000002C96000-memory.dmp

    Filesize

    88KB

  • memory/1256-62-0x000007FEF61A0000-0x000007FEF62E3000-memory.dmp

    Filesize

    1.3MB

  • memory/1256-63-0x000007FF2CEC0000-0x000007FF2CECA000-memory.dmp

    Filesize

    40KB

  • memory/1328-54-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1328-56-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB