Analysis

  • max time kernel
    129s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    27-12-2021 09:17

General

  • Target

    tmp/0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617.exe.dll

  • Size

    524KB

  • MD5

    8337dd22aa86bc357f8bc573441a97c7

  • SHA1

    6dc2600455a42651c95c3b612406dabd1182bfee

  • SHA256

    0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617

  • SHA512

    6a2572851e1ef774c35bf733455db6450f0c668d907f6617363037cb92277a022878c6fe7e652d035ed08f75f60c4a6463508a5feb7afb9a866c28d13577748c

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

104.36.167.47:443

188.40.48.93:4664

162.241.33.132:9217

217.160.5.104:593

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617.exe.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\tmp\0341b7e0b66e27bee166ba1fd9fad700d85e58a257bbfed1b60a662d97fc1617.exe.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1672
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1672 -s 324
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1848

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1672-55-0x0000000000000000-mapping.dmp
  • memory/1672-56-0x0000000075DF1000-0x0000000075DF3000-memory.dmp
    Filesize

    8KB

  • memory/1672-57-0x0000000075290000-0x0000000075315000-memory.dmp
    Filesize

    532KB

  • memory/1672-60-0x0000000000170000-0x0000000000176000-memory.dmp
    Filesize

    24KB

  • memory/1848-59-0x0000000000000000-mapping.dmp
  • memory/1848-61-0x00000000003D0000-0x00000000003D1000-memory.dmp
    Filesize

    4KB