Analysis

  • max time kernel
    19s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 04:31

General

  • Target

    aea34c613b92688b1991d135bb6d170fe74f5a0c3296b1c3a780365d4ceb3b42.dll

  • Size

    162KB

  • MD5

    cfe3d90a2f73b5f920e427d0054bfeed

  • SHA1

    15f037179abcffd5bb83725ae7baf03c4fc9415c

  • SHA256

    aea34c613b92688b1991d135bb6d170fe74f5a0c3296b1c3a780365d4ceb3b42

  • SHA512

    1e69d9d54ba325497c95011532fe9c7e184d175eb896abb2a4ac10d608e528f53d8d7b781744bbf1e23b1b9e7df2ecc2db2b3b6db529eaf695d1599411c13179

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\aea34c613b92688b1991d135bb6d170fe74f5a0c3296b1c3a780365d4ceb3b42.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\aea34c613b92688b1991d135bb6d170fe74f5a0c3296b1c3a780365d4ceb3b42.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4080

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4080-115-0x00000000755E0000-0x000000007560E000-memory.dmp

    Filesize

    184KB

  • memory/4080-117-0x0000000003210000-0x000000000335A000-memory.dmp

    Filesize

    1.3MB