Resubmissions

17-03-2022 16:28

220317-tyt45schbr 1

02-03-2022 07:56

220302-js74psdhh5 10

24-02-2022 19:52

220224-ylj6maehbj 1

Analysis

  • max time kernel
    602s
  • max time network
    439s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    02-03-2022 07:56

General

  • Target

    core.bat

  • Size

    188B

  • MD5

    5d557256208a36dcd239278ba626f30c

  • SHA1

    1e54238d55ab57ab5e7b787d3f369d6a02374d2b

  • SHA256

    26cfdedc156563695d6188240fa38ee5d3b29e468dee368facf66b8710eae3e2

  • SHA512

    2cd8215e99f4d61035747670dd2109aa806fe4c505648982926bb1bd886eadf1da583823e019e8af34939531bf669b6ffb19a334f3c3e678c56a7f5ebe2745ad

Malware Config

Extracted

Family

icedid

rsa_pubkey.plain

Extracted

Family

icedid

Botnet

3560182600

C2

coolbearblunts.com

cooldogblunts.com

Attributes
  • auth_var

    2

  • url_path

    /news/

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • Blocklisted process makes network request 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\core.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1852
    • C:\Windows\system32\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\pumpkin-32.tmp,DllMain /i="license.dat"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      PID:2452

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\license.dat

    MD5

    7eb64145636d2e8343d9077f15c11022

    SHA1

    c0b221ca05431092bc1c789a33d199124c8fec1c

    SHA256

    96e657e1face63798a43e6210dba8d8c2f618d0be1230b95ab59d8bd23fc165a

    SHA512

    53171e09d3d146fe02e481944e1c5481f1bb48eaf66259d1b8bbbbf7a83efc4a73fc28089c7e1eacf221620cdff6ea7f1049c17720181fde88b4bdc27c1ea9b6

  • memory/2452-131-0x000002D330B20000-0x000002D330B79000-memory.dmp

    Filesize

    356KB

  • memory/2452-132-0x000002D330B00000-0x000002D330B05000-memory.dmp

    Filesize

    20KB