Resubmissions

01-11-2020 15:20

201101-6gnva6fyd2 10

01-11-2020 15:16

201101-dvbselbzxx 10

Analysis

  • max time kernel
    210s
  • max time network
    275s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    01-11-2020 15:20

General

  • Target

    2020-11-01_21-26-29.bin.exe

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 6 IoCs
  • Program crash 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 1066 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 27 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2020-11-01_21-26-29.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\2020-11-01_21-26-29.bin.exe"
    1⤵
    • Loads dropped DLL
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:1808
  • C:\Users\Admin\AppData\Local\Temp\D578.tmp.exe
    C:\Users\Admin\AppData\Local\Temp\D578.tmp.exe
    1⤵
    • Executes dropped EXE
    PID:596
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {70316B05-A676-4AB5-9C4E-D8DCC111FCF9} S-1-5-21-3825035466-2522850611-591511364-1000:EIDQHRRL\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1076
    • C:\Users\Admin\AppData\Roaming\wssujtt
      C:\Users\Admin\AppData\Roaming\wssujtt
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:1816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1816 -s 128
        3⤵
        • Loads dropped DLL
        • Program crash
        • Suspicious use of AdjustPrivilegeToken
        PID:668

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/560-43-0x0000000005950000-0x0000000005B2B000-memory.dmp

    Filesize

    1.9MB

  • memory/560-30-0x00000000000C0000-0x00000000000C1000-memory.dmp

    Filesize

    4KB

  • memory/560-31-0x0000000000090000-0x00000000000B8000-memory.dmp

    Filesize

    160KB

  • memory/560-29-0x0000000000090000-0x00000000000B8000-memory.dmp

    Filesize

    160KB

  • memory/596-7-0x0000000003D00000-0x0000000003D11000-memory.dmp

    Filesize

    68KB

  • memory/596-6-0x00000000023C9000-0x00000000023CA000-memory.dmp

    Filesize

    4KB

  • memory/668-16-0x0000000001FE0000-0x0000000001FF1000-memory.dmp

    Filesize

    68KB

  • memory/668-18-0x0000000001FE0000-0x0000000001FF1000-memory.dmp

    Filesize

    68KB

  • memory/668-24-0x0000000002500000-0x0000000002511000-memory.dmp

    Filesize

    68KB

  • memory/1084-35-0x000007FEF5D50000-0x000007FEF5FCA000-memory.dmp

    Filesize

    2.5MB

  • memory/1244-3-0x0000000002BB0000-0x0000000002BC6000-memory.dmp

    Filesize

    88KB

  • memory/1808-1-0x0000000003C40000-0x0000000003C51000-memory.dmp

    Filesize

    68KB

  • memory/1808-0-0x0000000002769000-0x000000000276A000-memory.dmp

    Filesize

    4KB

  • memory/1816-11-0x0000000000279000-0x000000000027A000-memory.dmp

    Filesize

    4KB

  • memory/1816-12-0x0000000003CF0000-0x0000000003D01000-memory.dmp

    Filesize

    68KB

  • memory/1816-14-0x0000000003CF0000-0x0000000003D01000-memory.dmp

    Filesize

    68KB