Analysis

  • max time kernel
    31s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-04-2021 16:02

General

  • Target

    09e05e2da3ef759c5aacb18309b99da1eb5475362c90e0a9c349f2891ae6fedd.dll

  • Size

    160KB

  • MD5

    8c625c68299260253dc2506105953662

  • SHA1

    78cfa8633599c861a0985cf3868f29b52bc6f990

  • SHA256

    09e05e2da3ef759c5aacb18309b99da1eb5475362c90e0a9c349f2891ae6fedd

  • SHA512

    387419a22a298a2a130283ec0d779e1a9e16f92fcce0e3083fdd75f9f640131963b3adff465542521d5ea4ca366cd730a0ea4a254133f77be8c4efecc00293d8

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\09e05e2da3ef759c5aacb18309b99da1eb5475362c90e0a9c349f2891ae6fedd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\09e05e2da3ef759c5aacb18309b99da1eb5475362c90e0a9c349f2891ae6fedd.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1492-60-0x0000000000000000-mapping.dmp

  • memory/1492-61-0x0000000075B31000-0x0000000075B33000-memory.dmp

    Filesize

    8KB

  • memory/1492-62-0x0000000075290000-0x00000000752BE000-memory.dmp

    Filesize

    184KB

  • memory/1492-64-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB