Analysis

  • max time kernel
    24s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 15:51

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\09e05e2da3ef759c5aacb18309b99da1eb5475362c90e0a9c349f2891ae6fedd.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\09e05e2da3ef759c5aacb18309b99da1eb5475362c90e0a9c349f2891ae6fedd.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1272

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1272-114-0x0000000000000000-mapping.dmp
  • memory/1272-115-0x0000000074440000-0x000000007446E000-memory.dmp
    Filesize

    184KB

  • memory/1272-117-0x0000000004350000-0x0000000004356000-memory.dmp
    Filesize

    24KB