Analysis

  • max time kernel
    85s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    24-11-2020 14:13

General

  • Target

    1qj5u.exe

  • Size

    112KB

  • MD5

    c989356bdc4ffc9b4752acecfddb551d

  • SHA1

    fff0e011c492e174a3175c3ddb2ee0d6ed9d7285

  • SHA256

    8afc2dd7267bbf83a46549f4e7731f6473610c33bc9ee41b4dd0b994c3a29473

  • SHA512

    f51769eed207b7b0e9387c9bc13d46502f0c25086c6f1ce8d16678bbe639f06efb799959efac10aefd6d92dd08310216d2929178ebee3f2c73ecad286c89da1f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://etasuklavish.today/

http://mragyzmachnobesdi.today/

http://kimchinikuzims.today/

http://slacvostinrius.today/

http://straponuliusyn.today/

http://grammmdinss.today/

http://viprasputinsd.chimkent.su/

http://lupadypa.dagestan.su/

http://stoknolimchin.exnet.su/

http://musaroprovadnikov.live/

http://teemforyourexprensiti.life/

http://stolkgolmishutich.termez.su/

http://roompampamgandish.wtf/

rc4.i32
rc4.i32

Extracted

Family

zloader

Botnet

r1

Campaign

r1

C2

https://notsweets.net/LKhwojehDgwegSDG/gateJKjdsh.php

https://olpons.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://karamelliar.org/LKhwojehDgwegSDG/gateJKjdsh.php

https://dogrunn.com/LKhwojehDgwegSDG/gateJKjdsh.php

https://azoraz.net/LKhwojehDgwegSDG/gateJKjdsh.php

rc4.plain
rsa_pubkey.plain

Signatures

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Zloader, Terdot, DELoader, ZeusSphinx

    Zloader is a malware strain that was initially discovered back in August 2015.

  • Executes dropped EXE 2 IoCs
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 41 IoCs
  • Suspicious behavior: EnumeratesProcesses 1364 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 56 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of UnmapMainImage 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1qj5u.exe
    "C:\Users\Admin\AppData\Local\Temp\1qj5u.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:744
  • C:\Users\Admin\AppData\Local\Temp\95EC.tmp.exe
    C:\Users\Admin\AppData\Local\Temp\95EC.tmp.exe
    1⤵
    • Executes dropped EXE
    PID:2600
  • C:\Users\Admin\AppData\Local\Temp\97A3.tmp.exe
    C:\Users\Admin\AppData\Local\Temp\97A3.tmp.exe
    1⤵
    • Executes dropped EXE
    PID:940
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4064 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:3196
  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" -Embedding
    1⤵
    • Modifies Internet Explorer settings
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2468
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2468 CREDAT:82945 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:776

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/744-0-0x00000000030C9000-0x00000000030CA000-memory.dmp

    Filesize

    4KB

  • memory/744-1-0x0000000004DE0000-0x0000000004DE1000-memory.dmp

    Filesize

    4KB

  • memory/940-12-0x0000000003308000-0x0000000003309000-memory.dmp

    Filesize

    4KB

  • memory/940-13-0x0000000004C90000-0x0000000004C91000-memory.dmp

    Filesize

    4KB

  • memory/1816-20-0x0000000000DB0000-0x0000000000DD8000-memory.dmp

    Filesize

    160KB

  • memory/2092-3-0x0000000000F00000-0x0000000000F16000-memory.dmp

    Filesize

    88KB

  • memory/2600-11-0x0000000004E80000-0x0000000004E81000-memory.dmp

    Filesize

    4KB

  • memory/2600-10-0x0000000003338000-0x0000000003339000-memory.dmp

    Filesize

    4KB