Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-04-2024 13:02

General

  • Target

    e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe

  • Size

    259KB

  • MD5

    b05a74505fa03339578dff002ba57c69

  • SHA1

    b9851e84dbd2c8b2ecccb30452ddccb0496ef974

  • SHA256

    e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e

  • SHA512

    616337efd4b6a84f0590226b52d8c7398723afe43bb1fc879089a7474b7fd8949e16353bb4ff713da4295dbc4885d5eb34d9483d7441b726592371bb8f285dd3

  • SSDEEP

    3072:NCEgl6HLc0iImEkhg569+wjkabBB2n2qr4j54wCxe9yFfqdwiB9ez/WnQEbK3Zk:NsUrc06Fue/kZr4j5vwbb0WWnQEbe

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Program crash 1 IoCs
  • 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\e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe
    "C:\Users\Admin\AppData\Local\Temp\e9839a31cca5038608b57f6e13e75f43aa845a2f892c917a77b3c4f0bcc35c7e.exe"
    1⤵
    • Checks SCSI registry key(s)
    PID:2040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 352
      2⤵
      • Program crash
      PID:2128
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2040 -ip 2040
    1⤵
      PID:1492

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2040-1-0x0000000000D60000-0x0000000000E60000-memory.dmp
      Filesize

      1024KB

    • memory/2040-2-0x0000000000400000-0x0000000000AEA000-memory.dmp
      Filesize

      6.9MB

    • memory/2040-3-0x0000000002830000-0x000000000283B000-memory.dmp
      Filesize

      44KB

    • memory/2040-4-0x0000000000400000-0x0000000000AEA000-memory.dmp
      Filesize

      6.9MB