Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

240806-p9f97szdlm 10

06-08-2024 12:52

240806-p3672stdkg 10

06-08-2024 12:29

240806-ppa8fsygqr 10

06-08-2024 12:26

240806-pmc92ashlh 10

Analysis

  • max time kernel
    1s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-08-2024 12:52

General

  • Target

    1/7c7cded8d1c0784881859ed03340d81c24ea9bf5d9972963cedf0e40b9856a0c.exe

  • Size

    337KB

  • MD5

    1aae19c81605bf0a5851e42e3574a83c

  • SHA1

    ba91bcc371d24ba57458ba4a2aa82bc83447a129

  • SHA256

    7c7cded8d1c0784881859ed03340d81c24ea9bf5d9972963cedf0e40b9856a0c

  • SHA512

    8bcf76009e5503c598e2080dcfa9fb1e74783786dfc028ee4cbb066d79d2f4b22c9df962b6d89ea4429e23bccb9641574af3b03bc556d250295c236154b9dbc5

  • SSDEEP

    3072:3i2YQ2pbPh1mJ8XrMg8Nwrppwbg0z3TH:38Q2pbJcJz/2Mgq3T

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\7c7cded8d1c0784881859ed03340d81c24ea9bf5d9972963cedf0e40b9856a0c.exe
    "C:\Users\Admin\AppData\Local\Temp\1\7c7cded8d1c0784881859ed03340d81c24ea9bf5d9972963cedf0e40b9856a0c.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    PID:4832
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4832 -s 484
      2⤵
      • Program crash
      PID:3616
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4832 -ip 4832
    1⤵
      PID:5820

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4832-1-0x0000000002130000-0x0000000002230000-memory.dmp

      Filesize

      1024KB

    • memory/4832-2-0x0000000003EE0000-0x0000000003EEB000-memory.dmp

      Filesize

      44KB

    • memory/4832-3-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4832-6-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4832-5-0x0000000003EE0000-0x0000000003EEB000-memory.dmp

      Filesize

      44KB

    • memory/4832-4-0x0000000000400000-0x000000000209D000-memory.dmp

      Filesize

      28.6MB