Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 17:01

General

  • Target

    0930655c984cfd1906bea98fb95cbddddb5de5c39e08d3b17d973402fe9b2ee1.dll

  • Size

    162KB

  • MD5

    5de83ed23547e389ffea185cc8871dd1

  • SHA1

    d4c4a1a4d9c9bbe6c214909fe12f3b41fdd63839

  • SHA256

    0930655c984cfd1906bea98fb95cbddddb5de5c39e08d3b17d973402fe9b2ee1

  • SHA512

    77fd3bc04294c28ada95773f71aa0d848f6b2a46048bfef6441f652a7ee7f33e9c81676e34d9b180dedaa0202123c6c94fc0aa516600da5d93fd39c92c2b9a86

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\0930655c984cfd1906bea98fb95cbddddb5de5c39e08d3b17d973402fe9b2ee1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3232
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0930655c984cfd1906bea98fb95cbddddb5de5c39e08d3b17d973402fe9b2ee1.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3332

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3332-114-0x0000000000000000-mapping.dmp
  • memory/3332-115-0x0000000073EE0000-0x0000000073F0E000-memory.dmp
    Filesize

    184KB

  • memory/3332-117-0x00000000007D0000-0x000000000091A000-memory.dmp
    Filesize

    1.3MB