Analysis

  • max time kernel
    150s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    14-04-2021 23:57

General

  • Target

    hb2le.exe

  • Size

    276KB

  • MD5

    69c1c62895726fedc482d2b2f408f8ce

  • SHA1

    a6327d2b1e6c0d30681085699aa2290e2e371994

  • SHA256

    f8f9e464b8f667a85f7095e9ac4ff80a08a96e5c4765d62b18471b1908bb0109

  • SHA512

    de5ebb736d1dc225ca56218538dfc8d27b61f16caa7ebd6a14ff7534b42cee1edecdde43f70524d96f6ecccf1303fba90cff5109375eb8d273fef9df71027ab6

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://etasuklavish.today/

http://mragyzmachnobesdi.today/

http://kimchinikuzims.today/

http://slacvostinrius.today/

http://straponuliusyn.today/

http://grammmdinss.today/

http://viprasputinsd.chimkent.su/

http://lupadypa.dagestan.su/

http://stoknolimchin.exnet.su/

http://musaroprovadnikov.live/

http://teemforyourexprensiti.life/

http://stolkgolmishutich.termez.su/

http://roompampamgandish.wtf/

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 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\hb2le.exe
    "C:\Users\Admin\AppData\Local\Temp\hb2le.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3944

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\2F6.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

  • memory/2492-117-0x0000000001480000-0x0000000001496000-memory.dmp
    Filesize

    88KB

  • memory/3944-115-0x0000000003E90000-0x0000000003E9A000-memory.dmp
    Filesize

    40KB

  • memory/3944-116-0x0000000000400000-0x0000000003DA8000-memory.dmp
    Filesize

    57.7MB