Overview

overview

10

Static

static

b9c0e8858d...19.exe

windows7_x64

10

b9c0e8858d...19.exe

windows10_x64

10

Analysis

  • max time kernel
    156s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    16-08-2021 11:49

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General

  • Target

    b9c0e8858d1d0d249923e3a56b01e419.exe

  • Size

    181KB

  • MD5

    b9c0e8858d1d0d249923e3a56b01e419

  • SHA1

    9ac2c660abb36379f406ce556944a11ee6fdfd41

  • SHA256

    28b577b09ddd23494aaa0a19ae4e9219562a80a9176b9cfcdd3bb76a59bf4a28

  • SHA512

    54f8ecd65abbcaead999b9f9128dcd3abbbef562ce660eb4e1a264afd3c3af06f72f3dd8fb7d15dae64d413344063a47365ae4b4f7e90e88d1d933e2ed9e9fb5

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://readinglistforjuly1.xyz/

http://readinglistforjuly2.xyz/

http://readinglistforjuly3.xyz/

http://readinglistforjuly4.xyz/

http://readinglistforjuly5.xyz/

http://readinglistforjuly6.xyz/

http://readinglistforjuly7.xyz/

http://readinglistforjuly8.xyz/

http://readinglistforjuly9.xyz/

http://readinglistforjuly10.xyz/

http://readinglistforjuly1.site/

http://readinglistforjuly2.site/

http://readinglistforjuly3.site/

http://readinglistforjuly4.site/

http://readinglistforjuly5.site/

http://readinglistforjuly6.site/

http://readinglistforjuly7.site/

http://readinglistforjuly8.site/

http://readinglistforjuly9.site/

http://readinglistforjuly10.site/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • 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 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9c0e8858d1d0d249923e3a56b01e419.exe
    "C:\Users\Admin\AppData\Local\Temp\b9c0e8858d1d0d249923e3a56b01e419.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Users\Admin\AppData\Local\Temp\b9c0e8858d1d0d249923e3a56b01e419.exe
      "C:\Users\Admin\AppData\Local\Temp\b9c0e8858d1d0d249923e3a56b01e419.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1140

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

  • memory/1140-61-0x0000000000402E1A-mapping.dmp
    Download
  • memory/1140-60-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

    Download
  • memory/1140-62-0x0000000076691000-0x0000000076693000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1252-64-0x0000000002AD0000-0x0000000002AE6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/1920-63-0x00000000003A0000-0x00000000003AA000-memory.dmp
    Filesize

    40KB

    Download