Overview

overview

10

Static

static

8

b808673dcd...d5.exe

windows7_x64

10

b808673dcd...d5.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    06-01-2021 07:01

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General

  • Target

    b808673dcdb743f305fdfd4d6fd239d5.exe

  • Size

    212KB

  • MD5

    b808673dcdb743f305fdfd4d6fd239d5

  • SHA1

    dd57d842ebbfb390733f313b0b1e321b44c04d14

  • SHA256

    73bd0ef4821814fb351197b6967d35274f9f33de491faca434aeeb63a51072bb

  • SHA512

    67884616b51ab8be9a662b2890c9eb176748611d36512ba49b8b9f211da6db90646ff87d69b169615b83bc26f58c4ae13b428386137312e2711e0a6635759acf

Score
10/10
smokeloaderbackdoortrojanupx

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.

    trojanbackdoorsmokeloader
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • 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 2620 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b808673dcdb743f305fdfd4d6fd239d5.exe
    "C:\Users\Admin\AppData\Local\Temp\b808673dcdb743f305fdfd4d6fd239d5.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:3408
  • C:\Users\Admin\AppData\Roaming\vherfwu
    C:\Users\Admin\AppData\Roaming\vherfwu
    1⤵
    • Executes dropped EXE
    PID:2908

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\vherfwu
    MD5

    b808673dcdb743f305fdfd4d6fd239d5

    SHA1

    dd57d842ebbfb390733f313b0b1e321b44c04d14

    SHA256

    73bd0ef4821814fb351197b6967d35274f9f33de491faca434aeeb63a51072bb

    SHA512

    67884616b51ab8be9a662b2890c9eb176748611d36512ba49b8b9f211da6db90646ff87d69b169615b83bc26f58c4ae13b428386137312e2711e0a6635759acf

    Download Submit
  • C:\Users\Admin\AppData\Roaming\vherfwu
    MD5

    b808673dcdb743f305fdfd4d6fd239d5

    SHA1

    dd57d842ebbfb390733f313b0b1e321b44c04d14

    SHA256

    73bd0ef4821814fb351197b6967d35274f9f33de491faca434aeeb63a51072bb

    SHA512

    67884616b51ab8be9a662b2890c9eb176748611d36512ba49b8b9f211da6db90646ff87d69b169615b83bc26f58c4ae13b428386137312e2711e0a6635759acf

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

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

    Download Submit
  • memory/3116-4-0x00000000007A0000-0x00000000007B6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/3408-2-0x00000000066A0000-0x00000000066A1000-memory.dmp
    Filesize

    4KB

    Download