Analysis

  • max time kernel
    150s
  • max time network
    62s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    14-01-2021 06:37

General

  • Target

    665d88a5643e259303e1021c68c8f054.exe

  • Size

    213KB

  • MD5

    665d88a5643e259303e1021c68c8f054

  • SHA1

    cc40589938ac2ac3bb0ae9d996aebcc3fb5849f3

  • SHA256

    0b9555e73d90f0ff2506c001b5fed2e986f74e8e988cc1a4a8dc0e1dd377113b

  • SHA512

    b7370cb75c641506f149bd28710df4884886504428d16dde0bd75ef4c309c0657c7829802235ffa743ae708895e6267c3389298ab0a9ca27aba55d93af4824ae

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://mpmanagertzz.ru/

http://gmbshop.ru/

http://umnsystms.ug/

http://facepropertyzone.com/

http://ovenlumansera.ru/

http://vinimaxcopy.ru/

http://septembexisecel.ru/

http://wevivomboss.com/

http://baksproperty.gov.ug/

http://mossvivoweb.ru/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Loads dropped DLL 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 2596 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\665d88a5643e259303e1021c68c8f054.exe
    "C:\Users\Admin\AppData\Local\Temp\665d88a5643e259303e1021c68c8f054.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1404

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

  • \Users\Admin\AppData\Local\Temp\9419.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

  • memory/1404-2-0x0000000004ED9000-0x0000000004EDA000-memory.dmp
    Filesize

    4KB

  • memory/1404-3-0x0000000006BF0000-0x0000000006BF1000-memory.dmp
    Filesize

    4KB

  • memory/3024-5-0x0000000000830000-0x0000000000846000-memory.dmp
    Filesize

    88KB