Analysis

  • max time kernel
    150s
  • max time network
    130s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    28-04-2021 08:46

General

  • Target

    http___citycapproperty.ru_localmod_nmode.exe

  • Size

    212KB

  • MD5

    c178795733e8a84f750aff12e49ca3ef

  • SHA1

    af9e5de54778ef903c892f4d0f46e39b7b07c417

  • SHA256

    d73e37b3ed710e4128e3c76e2f0fd61dbb2fdcddfd8cfa51ffe244fa19433bb2

  • SHA512

    394ad2545f72df2cebcb707cd94fa133464dd199aad1e5f2c105629d3f40f4f92568353f4d7ded4d745a061e82ec9d9dc2e6b9b37ace6a5e21395ee6ea315f34

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 FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\http___citycapproperty.ru_localmod_nmode.exe
    "C:\Users\Admin\AppData\Local\Temp\http___citycapproperty.ru_localmod_nmode.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1688

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/1208-64-0x0000000003B10000-0x0000000003B26000-memory.dmp
    Filesize

    88KB

  • memory/1688-60-0x0000000075011000-0x0000000075013000-memory.dmp
    Filesize

    8KB

  • memory/1688-63-0x0000000000400000-0x00000000004A1000-memory.dmp
    Filesize

    644KB

  • memory/1688-62-0x0000000000220000-0x000000000022A000-memory.dmp
    Filesize

    40KB