Analysis

  • max time kernel
    299s
  • max time network
    299s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • submitted
    08/11/2024, 03:41 UTC

General

  • Target

    08112024_0341_24102024_Updater.dll

  • Size

    129KB

  • MD5

    e08edc1510052adc297d6af47022a70b

  • SHA1

    f08af6d4a2f9655beb8219aca5711400efed8670

  • SHA256

    915a80abb43f04fcdfb9ba2ced3b38f3524c050b6c0a36d97f4e7827916248b2

  • SHA512

    2b91019e3d96b57362719b9bddb7b894239977266d23e2c8b9ebbcd93a9ba748491b96a92c1b4fd1876e74a3b7f3da99b89bb0e38a463a8ae9f357d9d9f66652

  • SSDEEP

    3072:Jhw2Pja55J8hTGMjctYnc/F5ipfVMFY3lz:Jhwv55WT7ctiiF5cV

Malware Config

Extracted

Family

warmcookie

Attributes
  • mutex

    65abfc80-a660-4691-a919-130dc9b75b98

Signatures

  • Warmcookie family
  • Warmcookie, Badspace

    Warmcookie aka Badspace is a backdoor written in C++.

  • Blocklisted process makes network request 60 IoCs
  • Loads dropped DLL 4 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Modifies data under HKEY_USERS 46 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\08112024_0341_24102024_Updater.dll
    1⤵
    • Drops file in Windows directory
    PID:2676
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {F42539AF-616E-477D-B4E7-BF03B400F8D8} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2516
    • C:\Windows\system32\rundll32.exe
      C:\Windows\system32\rundll32.exe "C:\ProgramData\Specbee\Updater.dll",Start /u
      2⤵
      • Blocklisted process makes network request
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      PID:3060

Network

    No results found
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    152 B
    120 B
    3
    3
  • 185.161.251.26:443
    rundll32.exe
    104 B
    80 B
    2
    2
No results found

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Specbee\Updater.dll

    Filesize

    129KB

    MD5

    e08edc1510052adc297d6af47022a70b

    SHA1

    f08af6d4a2f9655beb8219aca5711400efed8670

    SHA256

    915a80abb43f04fcdfb9ba2ced3b38f3524c050b6c0a36d97f4e7827916248b2

    SHA512

    2b91019e3d96b57362719b9bddb7b894239977266d23e2c8b9ebbcd93a9ba748491b96a92c1b4fd1876e74a3b7f3da99b89bb0e38a463a8ae9f357d9d9f66652

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