Analysis

  • max time kernel
    18s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 09:35

General

  • Target

    f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7.dll

  • Size

    162KB

  • MD5

    b54c21e6bcc866a0cdfc5af67775ade2

  • SHA1

    b2d4a255e7f9865de6d719a09260d208076e73f3

  • SHA256

    f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7

  • SHA512

    d8e441717b6638f750f53461411c3cdf486895ebc200c226ed6ed6e9993b46dc17ab99f2997864e82e58bd6e6205e4e8fbc53f33a314850adeac113ce06c8944

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\f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2116
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\f298e75e2c6a5f80ff6593b370fddeaa06664f0042f5c6a8eb724104da307cb7.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3172

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3172-115-0x0000000074420000-0x000000007444E000-memory.dmp

    Filesize

    184KB

  • memory/3172-117-0x00000000029E0000-0x00000000029E6000-memory.dmp

    Filesize

    24KB