Analysis

  • max time kernel
    300s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 22:17

General

  • Target

    03beebd6b7cc90ac6a202a1b79ade44eb231b457635f8a1e6a4923027e6886dc.exe

  • Size

    319KB

  • MD5

    7b1b5f4ed43708f08c812ea10305aaa5

  • SHA1

    28500732009594649383561c24eaddbb7866edb7

  • SHA256

    03beebd6b7cc90ac6a202a1b79ade44eb231b457635f8a1e6a4923027e6886dc

  • SHA512

    1de86fed21ea36aa8baa3e3368a9908e8d4a9eb52034d460537b545537f5d0895512e5619ea4260c34b1002723249d1c175923175857bf8dedb15e7f3002abec

  • SSDEEP

    3072:nvzlIdSBFNgDOA84+cNX2/eXI4Y9QFG/IJuSJYxz9p0szuYMb7sPUg4sZHqZbeCn:7WYA84h/WIJIMsIb7Ps5qMhO

Malware Config

Extracted

Family

smokeloader

Botnet

pub1

Extracted

Family

smokeloader

Version

2022

C2

http://nidoe.org/tmp/index.php

http://sodez.ru/tmp/index.php

http://uama.com.ua/tmp/index.php

http://talesofpirates.net/tmp/index.php

rc4.i32
rc4.i32

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 6 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03beebd6b7cc90ac6a202a1b79ade44eb231b457635f8a1e6a4923027e6886dc.exe
    "C:\Users\Admin\AppData\Local\Temp\03beebd6b7cc90ac6a202a1b79ade44eb231b457635f8a1e6a4923027e6886dc.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:756
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {BEAD4B5F-B3AB-4666-A685-9EF953458BEE} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Users\Admin\AppData\Roaming\bgdrffr
      C:\Users\Admin\AppData\Roaming\bgdrffr
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious behavior: MapViewOfSection
      PID:1684

Network

MITRE ATT&CK Matrix ATT&CK v13

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\Roaming\bgdrffr
    Filesize

    319KB

    MD5

    7b1b5f4ed43708f08c812ea10305aaa5

    SHA1

    28500732009594649383561c24eaddbb7866edb7

    SHA256

    03beebd6b7cc90ac6a202a1b79ade44eb231b457635f8a1e6a4923027e6886dc

    SHA512

    1de86fed21ea36aa8baa3e3368a9908e8d4a9eb52034d460537b545537f5d0895512e5619ea4260c34b1002723249d1c175923175857bf8dedb15e7f3002abec

  • memory/756-1-0x0000000000BD0000-0x0000000000CD0000-memory.dmp
    Filesize

    1024KB

  • memory/756-2-0x0000000000220000-0x000000000022B000-memory.dmp
    Filesize

    44KB

  • memory/756-3-0x0000000000400000-0x0000000000AF8000-memory.dmp
    Filesize

    7.0MB

  • memory/756-5-0x0000000000400000-0x0000000000AF8000-memory.dmp
    Filesize

    7.0MB

  • memory/1380-4-0x0000000002A50000-0x0000000002A66000-memory.dmp
    Filesize

    88KB

  • memory/1380-16-0x0000000002ED0000-0x0000000002EE6000-memory.dmp
    Filesize

    88KB

  • memory/1684-14-0x0000000000C30000-0x0000000000D30000-memory.dmp
    Filesize

    1024KB

  • memory/1684-15-0x0000000000400000-0x0000000000AF8000-memory.dmp
    Filesize

    7.0MB

  • memory/1684-17-0x0000000000400000-0x0000000000AF8000-memory.dmp
    Filesize

    7.0MB