Analysis

  • max time kernel
    165s
  • max time network
    143s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    14-10-2021 05:05

General

  • Target

    3a7ac1ac60baac512bf45e412aacb90c.exe

  • Size

    311KB

  • MD5

    3a7ac1ac60baac512bf45e412aacb90c

  • SHA1

    d579493a2190a8f6f44a9094148a494c5368cdc7

  • SHA256

    5c88ec7f348d5b457a2f155bbd9b0353c1cb840e0e971013c0ebc58aaee3b715

  • SHA512

    08c3a3861a092eb7e39f6aa7255b36e2bf54b1f7a15b7fb76ac5f94269e7879e3a27187af2ee11f7215f5796e35ecd9146d04744ab4a4e01fb29a137589963b9

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://linavanandr11.club/

http://iselaharty12.club/

http://giovaninardo13.club/

http://zayneliann14.club/

http://zorinosali15.club/

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\3a7ac1ac60baac512bf45e412aacb90c.exe
    "C:\Users\Admin\AppData\Local\Temp\3a7ac1ac60baac512bf45e412aacb90c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1576
    • C:\Users\Admin\AppData\Local\Temp\3a7ac1ac60baac512bf45e412aacb90c.exe
      "C:\Users\Admin\AppData\Local\Temp\3a7ac1ac60baac512bf45e412aacb90c.exe"
      2⤵
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:4000

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/1576-116-0x00000000019D6000-0x00000000019E6000-memory.dmp
    Filesize

    64KB

  • memory/1576-117-0x0000000001820000-0x0000000001829000-memory.dmp
    Filesize

    36KB

  • memory/3028-120-0x0000000000E90000-0x0000000000EA6000-memory.dmp
    Filesize

    88KB

  • memory/4000-119-0x0000000000402DF8-mapping.dmp
  • memory/4000-118-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB