Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    21-01-2021 17:56

General

  • Target

    7858175d6dd7bc11bbae07e268273be4.exe

  • Size

    194KB

  • MD5

    7858175d6dd7bc11bbae07e268273be4

  • SHA1

    9245e0f24075a19f7c2027348d9bc2aaa1cf7c7d

  • SHA256

    75973aa6b9ede942a1a0ec330218c3a2bee3d2de638482592f1f60976898ca81

  • SHA512

    8515a9a46ffe00382f1c20fd908a5998c960e50a0cf5a0ae97d1eb54b18c6fda2ebc02ba04f3e78c0f915118fe5a80060e84e6331770dc705ebf92c74ba5249c

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 715 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7858175d6dd7bc11bbae07e268273be4.exe
    "C:\Users\Admin\AppData\Local\Temp\7858175d6dd7bc11bbae07e268273be4.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1732

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

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

  • memory/1276-7-0x0000000002DB0000-0x0000000002DC6000-memory.dmp
    Filesize

    88KB

  • memory/1732-2-0x00000000048C0000-0x00000000048D1000-memory.dmp
    Filesize

    68KB

  • memory/1732-3-0x0000000075AE1000-0x0000000075AE3000-memory.dmp
    Filesize

    8KB

  • memory/1732-5-0x0000000000020000-0x000000000002A000-memory.dmp
    Filesize

    40KB

  • memory/1732-6-0x0000000000400000-0x000000000040A000-memory.dmp
    Filesize

    40KB