Analysis

  • max time kernel
    151s
  • max time network
    85s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    19-04-2021 12:04

General

  • Target

    5597e91491519ec78b764fb657615529.exe

  • Size

    257KB

  • MD5

    5597e91491519ec78b764fb657615529

  • SHA1

    53081a84fcbcc5707881fd2f606812977770bfe1

  • SHA256

    60922af94a3c7adf6d040dc1bd4d465983a38bd2410c050bef27deda8ce2002f

  • SHA512

    e0d6e9ac7971b4282c7583624538da1f884bd9e9a826d88af10af57e4245569b1d32a0753adbed961d969acba8361c6a5713a3f6a0dba0681898eb8c48a31ee2

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 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\5597e91491519ec78b764fb657615529.exe
    "C:\Users\Admin\AppData\Local\Temp\5597e91491519ec78b764fb657615529.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:636

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/636-114-0x0000000000030000-0x000000000003A000-memory.dmp
    Filesize

    40KB

  • memory/636-115-0x0000000000400000-0x000000000046D000-memory.dmp
    Filesize

    436KB

  • memory/2996-117-0x0000000000E40000-0x0000000000E56000-memory.dmp
    Filesize

    88KB