Analysis

  • max time kernel
    152s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    27-01-2022 06:45

General

  • Target

    209e3e1de0c35f0c62e45bd04213597d7da3e28618b53ca7077b13f6731ccb53.exe

  • Size

    241KB

  • MD5

    ca8028962891d802eb9a0800ef4542e1

  • SHA1

    2ef8a4bb0c45ae49d4e1718bf3335df79dde4fc1

  • SHA256

    209e3e1de0c35f0c62e45bd04213597d7da3e28618b53ca7077b13f6731ccb53

  • SHA512

    a538acf7e1ecf0588587564cb83e2ada8232f3ec8b038efe2bb9e7f51659dfeb05a448aa7740e60e06341eaafd89c9eda59d1ff736d2f8fb85cd9144ddfc7ad6

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://host-data-coin-11.com/

http://file-coin-host-12.com/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 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 WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\209e3e1de0c35f0c62e45bd04213597d7da3e28618b53ca7077b13f6731ccb53.exe
    "C:\Users\Admin\AppData\Local\Temp\209e3e1de0c35f0c62e45bd04213597d7da3e28618b53ca7077b13f6731ccb53.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2512
    • C:\Users\Admin\AppData\Local\Temp\209e3e1de0c35f0c62e45bd04213597d7da3e28618b53ca7077b13f6731ccb53.exe
      "C:\Users\Admin\AppData\Local\Temp\209e3e1de0c35f0c62e45bd04213597d7da3e28618b53ca7077b13f6731ccb53.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:3156

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2512-116-0x0000000002160000-0x0000000002169000-memory.dmp
    Filesize

    36KB

  • memory/3032-119-0x0000000001050000-0x0000000001066000-memory.dmp
    Filesize

    88KB

  • memory/3156-117-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3156-118-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB