Overview

overview

10

Static

static

8

0x00030000...22.exe

windows7_x64

0x00030000...22.exe

windows10_x64

10

0x00030000...35.exe

windows7_x64

10

0x00030000...35.exe

windows10_x64

7

0x00030000...41.exe

windows7_x64

8

0x00030000...41.exe

windows10_x64

8

0x00030000...61.exe

windows7_x64

10

0x00030000...61.exe

windows10_x64

10

0x00030000...51.exe

windows7_x64

10

0x00030000...51.exe

windows10_x64

10

0x00030000...56.exe

windows7_x64

10

0x00030000...56.exe

windows10_x64

10

0x00030000...88.exe

windows7_x64

1

0x00030000...88.exe

windows10_x64

1

0x00040000...27.exe

windows7_x64

10

0x00040000...27.exe

windows10_x64

10

0x00040000...63.exe

windows7_x64

0x00040000...63.exe

windows10_x64

10

Resubmissions

08-07-2021 11:17

210708-5s29gx8mxn 10

08-07-2021 11:17

210708-lndt9d354a 10

Analysis

  • max time kernel
    1800s
  • max time network
    1722s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    08-07-2021 11:17

Sharing

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Report Analysis Logs

General

  • Target

    0x00030000000130db-122.exe

  • Size

    345KB

  • MD5

    c6f791cdb3ec5ab080f0d84e9cb1d4eb

  • SHA1

    d22f28ccda8b98265f9dba0c26d3f0cc3e2b6cdf

  • SHA256

    d70b6e5dad1618f3d9f08a1d8220c6c34f959db468640b4e21f0b2b5c2507414

  • SHA512

    d41134a4b310d5e640240c1083a39e4e0ffa5c025287060a9cdd94be67a877e6e88f8d85cb6ceca432bdc3de19e95465a560642fb119820105141bd9c57a0d30

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://ppcspb.com/upload/

http://mebbing.com/upload/

http://twcamel.com/upload/

http://howdycash.com/upload/

http://lahuertasonora.com/upload/

http://kpotiques.com/upload/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Suspicious use of NtCreateProcessExOtherParentProcess 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Program crash 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 AdjustPrivilegeToken 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0x00030000000130db-122.exe
    "C:\Users\Admin\AppData\Local\Temp\0x00030000000130db-122.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:2116
  • C:\Users\Admin\AppData\Roaming\fbdvura
    C:\Users\Admin\AppData\Roaming\fbdvura
    1⤵
    • Executes dropped EXE
    PID:3292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 480
      2⤵
      • Suspicious use of NtCreateProcessExOtherParentProcess
      • Program crash
      • Suspicious use of AdjustPrivilegeToken
      PID:2284

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\Local\Temp\CC4F.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

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

    c6f791cdb3ec5ab080f0d84e9cb1d4eb

    SHA1

    d22f28ccda8b98265f9dba0c26d3f0cc3e2b6cdf

    SHA256

    d70b6e5dad1618f3d9f08a1d8220c6c34f959db468640b4e21f0b2b5c2507414

    SHA512

    d41134a4b310d5e640240c1083a39e4e0ffa5c025287060a9cdd94be67a877e6e88f8d85cb6ceca432bdc3de19e95465a560642fb119820105141bd9c57a0d30

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

    c6f791cdb3ec5ab080f0d84e9cb1d4eb

    SHA1

    d22f28ccda8b98265f9dba0c26d3f0cc3e2b6cdf

    SHA256

    d70b6e5dad1618f3d9f08a1d8220c6c34f959db468640b4e21f0b2b5c2507414

    SHA512

    d41134a4b310d5e640240c1083a39e4e0ffa5c025287060a9cdd94be67a877e6e88f8d85cb6ceca432bdc3de19e95465a560642fb119820105141bd9c57a0d30

    Download Submit
  • \Users\Admin\AppData\Local\Temp\CC4F.tmp
    MD5

    50741b3f2d7debf5d2bed63d88404029

    SHA1

    56210388a627b926162b36967045be06ffb1aad3

    SHA256

    f2f8732ae464738372ff274b7e481366cecdd2337210d4a3cbcd089c958a730c

    SHA512

    fac6bfe35b1ee08b3d42d330516a260d9cdb4a90bbb0491411a583029b92a59d20af3552372ea8fb3f59442b3945bf524ef284127f397ae7179467080be8e9b3

    Download Submit
  • memory/2116-115-0x0000000000950000-0x0000000000959000-memory.dmp
    Filesize

    36KB

    Download
  • memory/2116-116-0x0000000000400000-0x00000000008F4000-memory.dmp
    Filesize

    5.0MB

    Download
  • memory/3020-117-0x00000000010D0000-0x00000000010E6000-memory.dmp
    Filesize

    88KB

    Download
  • memory/3292-122-0x0000000000400000-0x00000000008F4000-memory.dmp
    Filesize

    5.0MB

    Download