Analysis

  • max time kernel
    154s
  • max time network
    159s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2023 11:36

General

  • Target

    e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe

  • Size

    261KB

  • MD5

    24e3bff785f567b35b1b713d3cbd3ecf

  • SHA1

    1ca640d1af355b2a9d0c38eee921a47423a57353

  • SHA256

    e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e

  • SHA512

    38e9a8620758a8d171533e3ef9fbe9aff14e8b00073732ec8825eb4e79dfd7856d6264096f4590f7ba68962d6409f4aa0d8e79dead70fb0b955d8bd5db6b25ae

  • SSDEEP

    3072:bhngjeDZJPZ2CehfyGSGY762iXQKLgKEb1IAT5cTEx6TOa:jTPZbkyBvCQwgEO6TO

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2020

C2

http://host-file-host6.com/

http://host-host-file8.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe
    "C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3480
    • C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe
      "C:\Users\Admin\AppData\Local\Temp\e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1244
  • C:\Users\Admin\AppData\Roaming\rhiftif
    C:\Users\Admin\AppData\Roaming\rhiftif
    1⤵
    • Executes dropped EXE
    PID:4800

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\rhiftif

    Filesize

    261KB

    MD5

    24e3bff785f567b35b1b713d3cbd3ecf

    SHA1

    1ca640d1af355b2a9d0c38eee921a47423a57353

    SHA256

    e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e

    SHA512

    38e9a8620758a8d171533e3ef9fbe9aff14e8b00073732ec8825eb4e79dfd7856d6264096f4590f7ba68962d6409f4aa0d8e79dead70fb0b955d8bd5db6b25ae

  • C:\Users\Admin\AppData\Roaming\rhiftif

    Filesize

    261KB

    MD5

    24e3bff785f567b35b1b713d3cbd3ecf

    SHA1

    1ca640d1af355b2a9d0c38eee921a47423a57353

    SHA256

    e5c81c38d5bff97dcb6edfd293bce8f92b37be60138bee6d1f68858b7ebef54e

    SHA512

    38e9a8620758a8d171533e3ef9fbe9aff14e8b00073732ec8825eb4e79dfd7856d6264096f4590f7ba68962d6409f4aa0d8e79dead70fb0b955d8bd5db6b25ae

  • memory/1244-2-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1244-4-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/1244-6-0x0000000000400000-0x0000000000409000-memory.dmp

    Filesize

    36KB

  • memory/3252-43-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-24-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-12-0x00000000089E0000-0x00000000089F0000-memory.dmp

    Filesize

    64KB

  • memory/3252-13-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-14-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-49-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-16-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-17-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-20-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-21-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-19-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-22-0x0000000008A00000-0x0000000008A10000-memory.dmp

    Filesize

    64KB

  • memory/3252-23-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-51-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-26-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-25-0x0000000008A00000-0x0000000008A10000-memory.dmp

    Filesize

    64KB

  • memory/3252-28-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-32-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-30-0x00000000089E0000-0x00000000089F0000-memory.dmp

    Filesize

    64KB

  • memory/3252-34-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-29-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-35-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-36-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-37-0x0000000008A00000-0x0000000008A10000-memory.dmp

    Filesize

    64KB

  • memory/3252-40-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-52-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-39-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-38-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-44-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-10-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-42-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-48-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-15-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-11-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-41-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-50-0x0000000002F50000-0x0000000002F60000-memory.dmp

    Filesize

    64KB

  • memory/3252-53-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-54-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-55-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-59-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-57-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-60-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-61-0x00000000031C0000-0x00000000031D0000-memory.dmp

    Filesize

    64KB

  • memory/3252-62-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-63-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-64-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-66-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-65-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-68-0x0000000002F50000-0x0000000002F60000-memory.dmp

    Filesize

    64KB

  • memory/3252-70-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-67-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-72-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-73-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-74-0x00000000031C0000-0x00000000031D0000-memory.dmp

    Filesize

    64KB

  • memory/3252-77-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-75-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-78-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-80-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-79-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-82-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3252-5-0x0000000003140000-0x0000000003156000-memory.dmp

    Filesize

    88KB

  • memory/3252-83-0x0000000007A40000-0x0000000007A50000-memory.dmp

    Filesize

    64KB

  • memory/3480-0-0x00000000004D0000-0x00000000004E5000-memory.dmp

    Filesize

    84KB

  • memory/3480-1-0x00000000004F0000-0x00000000004F9000-memory.dmp

    Filesize

    36KB

  • memory/3480-3-0x00000000004D0000-0x00000000004E5000-memory.dmp

    Filesize

    84KB