Overview

overview

10

Static

static

30e58538e3...a6.exe

windows7_x64

10

30e58538e3...a6.exe

windows10_x64

10

Analysis

  • max time kernel
    150s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    22-07-2021 09:02

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General

  • Target

    30e58538e3ddab70cc1edda521bfbba6.exe

  • Size

    233KB

  • MD5

    30e58538e3ddab70cc1edda521bfbba6

  • SHA1

    862591b95d16216f74b6b197de4f4740a881ccb8

  • SHA256

    879f63c384febbffc5845be57df9c7ef33234b584f8059a38a3f4aafa2bc37e9

  • SHA512

    08de8cf30f6061c3f4057d617e2e8bc4be5e24a1b5a339d29bfa9655682f0f7f07301866436309a368a0af8efc4f6682d63532105ec62aff4b96c73504d26703

Score
10/10
smokeloaderbackdoortrojan

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://999080321newfolder1002002131-service1002.space/

http://999080321newfolder1002002231-service1002.space/

http://999080321newfolder3100231-service1002.space/

http://999080321newfolder1002002431-service1002.space/

http://999080321newfolder1002002531-service1002.space/

http://999080321newfolder33417-012425999080321.space/

http://999080321test125831-service10020125999080321.space/

http://999080321test136831-service10020125999080321.space/

http://999080321test147831-service10020125999080321.space/

http://999080321test146831-service10020125999080321.space/

http://999080321test134831-service10020125999080321.space/

http://999080321est213531-service1002012425999080321.ru/

http://999080321yes1t3481-service10020125999080321.ru/

http://999080321test13561-service10020125999080321.su/

http://999080321test14781-service10020125999080321.info/

http://999080321test13461-service10020125999080321.net/

http://999080321test15671-service10020125999080321.tech/

http://999080321test12671-service10020125999080321.online/

http://999080321utest1341-service10020125999080321.ru/

http://999080321uest71-service100201dom25999080321.ru/
rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

    trojanbackdoorsmokeloader
  • Deletes itself 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 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
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30e58538e3ddab70cc1edda521bfbba6.exe
    "C:\Users\Admin\AppData\Local\Temp\30e58538e3ddab70cc1edda521bfbba6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:320
    • C:\Users\Admin\AppData\Local\Temp\30e58538e3ddab70cc1edda521bfbba6.exe
      "C:\Users\Admin\AppData\Local\Temp\30e58538e3ddab70cc1edda521bfbba6.exe"
      2⤵
      • Loads dropped DLL
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      PID:1360

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

  • \Users\Admin\AppData\Local\Temp\AE30.tmp
    MD5

    d124f55b9393c976963407dff51ffa79

    SHA1

    2c7bbedd79791bfb866898c85b504186db610b5d

    SHA256

    ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

    SHA512

    278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

    Download Submit
  • memory/320-59-0x0000000000220000-0x000000000022C000-memory.dmp
    Filesize

    48KB

    Download
  • memory/1200-64-0x0000000002B10000-0x0000000002B27000-memory.dmp
    Filesize

    92KB

    Download
  • memory/1360-60-0x0000000000400000-0x000000000040C000-memory.dmp
    Filesize

    48KB

    Download
  • memory/1360-61-0x0000000000402F68-mapping.dmp
    Download
  • memory/1360-62-0x0000000075051000-0x0000000075053000-memory.dmp
    Filesize

    8KB

    Download