Resubmissions

09-04-2024 09:25

240409-ld13ysbf56 10

04-03-2021 15:00

210304-4rkckgcr1n 10

Analysis

  • max time kernel
    133s
  • max time network
    132s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    04-03-2021 15:00

General

  • Target

    a6375022953679ad82fc634b471c5b9b7911b47453e8d155469f24ee20db89dc.bin.exe

  • Size

    90KB

  • MD5

    387fd80a5602adc3dd4b2d0197a289de

  • SHA1

    b903356e121f997a49759b306533a7ee8880b13b

  • SHA256

    a6375022953679ad82fc634b471c5b9b7911b47453e8d155469f24ee20db89dc

  • SHA512

    3d8d5f437df25d23dbba75c4be7d252bdda32e84c1c55eee10877d38a178aed5beae6dbb56c1f0aa7ba9a94c020dc0705584bdc13bfe61d0af4de9cc76afa23e

Malware Config

Extracted

Family

diamondfox

C2

http://dong7707.at/spt/gate.php

Mutex

YxgnVQE8PlVLcflLlW4ai9xmX2DERyF4

xor.plain

Signatures

  • DiamondFox

    DiamondFox is a multipurpose botnet with many capabilities.

  • DiamondFox payload 3 IoCs

    Detects DiamondFox payload in file/memory.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6375022953679ad82fc634b471c5b9b7911b47453e8d155469f24ee20db89dc.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\a6375022953679ad82fc634b471c5b9b7911b47453e8d155469f24ee20db89dc.bin.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell Copy-Item -Path 'C:\Users\Admin\AppData\Local\Temp\a6375022953679ad82fc634b471c5b9b7911b47453e8d155469f24ee20db89dc.bin.exe' -Destination 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe';Start-Sleep -s 60;Start-Process 'C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe'
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2032
      • C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe
        "C:\Users\Admin\AppData\Local\svlspoo\spoolsv.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:672

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2032-12-0x0000000005240000-0x0000000005241000-memory.dmp

    Filesize

    4KB

  • memory/2032-21-0x0000000006130000-0x0000000006131000-memory.dmp

    Filesize

    4KB

  • memory/2032-11-0x00000000048C2000-0x00000000048C3000-memory.dmp

    Filesize

    4KB

  • memory/2032-10-0x00000000048C0000-0x00000000048C1000-memory.dmp

    Filesize

    4KB

  • memory/2032-15-0x0000000005700000-0x0000000005701000-memory.dmp

    Filesize

    4KB

  • memory/2032-20-0x0000000005740000-0x0000000005741000-memory.dmp

    Filesize

    4KB

  • memory/2032-9-0x00000000025C0000-0x00000000025C1000-memory.dmp

    Filesize

    4KB

  • memory/2032-28-0x0000000006280000-0x0000000006281000-memory.dmp

    Filesize

    4KB

  • memory/2032-29-0x00000000062D0000-0x00000000062D1000-memory.dmp

    Filesize

    4KB

  • memory/2032-30-0x000000007EF30000-0x000000007EF31000-memory.dmp

    Filesize

    4KB

  • memory/2032-8-0x0000000004900000-0x0000000004901000-memory.dmp

    Filesize

    4KB

  • memory/2032-7-0x0000000001F10000-0x0000000001F11000-memory.dmp

    Filesize

    4KB

  • memory/2032-6-0x00000000747E0000-0x0000000074ECE000-memory.dmp

    Filesize

    6.9MB

  • memory/2032-5-0x00000000761E1000-0x00000000761E3000-memory.dmp

    Filesize

    8KB