Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    21-01-2021 17:57

General

  • Target

    057887b52388981063d44ae2ffff29a7.exe

  • Size

    159KB

  • MD5

    057887b52388981063d44ae2ffff29a7

  • SHA1

    123ba07b28b49215d4d7b83fbf38cb2a9e0c8b56

  • SHA256

    c65ea9eee506b0a71170d4e3778d3ccadda12f67217e89e3b93db61890ab548d

  • SHA512

    3440dccd9e39a49b7f37943ccef70eff5bd1fe89c812b82b64df13ab9634f91b585a7d8ae723a94abd9a2c1938378c46a6beb581c1c6337ccefdd8b2c4c0ee5b

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://smbproperty.ru/

http://gmbshop.ru/

http://baksproperty.gov.ug/

http://magistralpsw.ru/

http://mpmanagertzz.ru/

http://powerglasspot.ru/

http://autopartswarehouses.ru/

http://memoloves.ru/

http://alfavanilin.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 2618 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\057887b52388981063d44ae2ffff29a7.exe
    "C:\Users\Admin\AppData\Local\Temp\057887b52388981063d44ae2ffff29a7.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3496

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/2312-6-0x00000000008B0000-0x00000000008C6000-memory.dmp
    Filesize

    88KB

  • memory/3496-2-0x00000000033D0000-0x00000000033D1000-memory.dmp
    Filesize

    4KB

  • memory/3496-4-0x0000000000030000-0x000000000003A000-memory.dmp
    Filesize

    40KB

  • memory/3496-5-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB