Analysis

  • max time kernel
    108s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 19:41

General

  • Target

    388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe

  • Size

    457KB

  • MD5

    cfef19baf2fc5238c6d05b636660b9b1

  • SHA1

    7c8083906cebd29aaca04468c90605b54e47ea0e

  • SHA256

    388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559

  • SHA512

    402a6d9e47f32987538b6765234b6d83cc6c3ec40ff04b0adba064dc2ab8e6439d4111f3ede35c30593ee69b5c03ed295392df0a227ceb2f49c0cc3c5c8da247

Malware Config

Extracted

Family

smokeloader

Version

2019

C2

http://autopartsmagazzine.com/

http://magazinzapchasti.ru/

http://neponilomancitlimposup.ru/

http://himolamodaspopular.ru/

http://avstralopitek.bit/

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Loads dropped DLL 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: MapViewOfSection 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe
    "C:\Users\Admin\AppData\Local\Temp\388d434e45ab394475c308a3ca1d99f0d8b938da8189221d36438d05f78ab559.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Checks SCSI registry key(s)
    • Suspicious behavior: MapViewOfSection
    PID:4560

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

  • C:\Users\Admin\AppData\Local\Temp\6B79.tmp
    Filesize

    1.6MB

    MD5

    4f3387277ccbd6d1f21ac5c07fe4ca68

    SHA1

    e16506f662dc92023bf82def1d621497c8ab5890

    SHA256

    767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

    SHA512

    9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

  • memory/2728-135-0x0000000002EA0000-0x0000000002EB6000-memory.dmp
    Filesize

    88KB

  • memory/4560-130-0x0000000000400000-0x000000000047A000-memory.dmp
    Filesize

    488KB

  • memory/4560-131-0x0000000000400000-0x000000000047A000-memory.dmp
    Filesize

    488KB

  • memory/4560-133-0x00000000021F0000-0x0000000002227000-memory.dmp
    Filesize

    220KB

  • memory/4560-134-0x0000000000400000-0x000000000047A000-memory.dmp
    Filesize

    488KB