Overview

overview

10

Static

static

65d0653f5e...74.exe

windows7_x64

10

65d0653f5e...74.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-en-20211104
  • submitted
    07-12-2021 11:02

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General

  • Target

    65d0653f5eec54a9a01b4d76c35c6c74.exe

  • Size

    319KB

  • MD5

    65d0653f5eec54a9a01b4d76c35c6c74

  • SHA1

    10ac383cdad3a41f09ee9ac8c36365224ea6f826

  • SHA256

    757387e6946c157cc37f67cf0a0e94af671b4a4bd498291390d878cc04cfa790

  • SHA512

    64061718229cba439c7fd3795112b436375c70865d7ec23370693863410079ac6e5dbf2ef09c366878e712b8c4ecf20a797cd1c9bddfd12d34710f5ed6998eb1

Score
10/10
smokeloaderbackdoortrojan

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.

    trojanbackdoorsmokeloader
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • 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 FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65d0653f5eec54a9a01b4d76c35c6c74.exe
    "C:\Users\Admin\AppData\Local\Temp\65d0653f5eec54a9a01b4d76c35c6c74.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1888
    • C:\Users\Admin\AppData\Local\Temp\65d0653f5eec54a9a01b4d76c35c6c74.exe
      "C:\Users\Admin\AppData\Local\Temp\65d0653f5eec54a9a01b4d76c35c6c74.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:240
  • C:\Users\Admin\AppData\Local\Temp\F2B8.exe
    C:\Users\Admin\AppData\Local\Temp\F2B8.exe
    1⤵
    • Executes dropped EXE
    PID:1820

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\F2B8.exe
    MD5

    fd9fc94584fb5ac78a730d4949954558

    SHA1

    1f64cab1b889016aca4e11fbaa0367ab21dc2911

    SHA256

    8a55a056761f76c48027e1c2f7a4146f451d36908d84f83ef9b95051d35b9f44

    SHA512

    af47179ed313cb5791c59118b79a831313f1a9995e6b3f57a88c1928ba248cfc6d38bbd916ab35bd368627a08a5eda961f0e91396173f615860d088d382bf981

    Download Submit
  • memory/240-56-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/240-57-0x0000000000402F47-mapping.dmp
    Download
  • memory/240-58-0x0000000075981000-0x0000000075983000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1380-60-0x0000000002640000-0x0000000002656000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1820-61-0x0000000000000000-mapping.dmp
    Download
  • memory/1888-55-0x0000000000308000-0x0000000000319000-memory.dmp
    Filesize

    68KB

    Download
  • memory/1888-59-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB

    Download