Analysis

  • max time kernel
    24s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 11:12

General

  • Target

    1fb752e9020922efced7e0ecec27049a37c49bd8621dddd9f5201e924287e325.dll

  • Size

    158KB

  • MD5

    49f7719cca31e387c879f210771c07b7

  • SHA1

    16c45344639819f7c77b9695ba18940acd05ac28

  • SHA256

    1fb752e9020922efced7e0ecec27049a37c49bd8621dddd9f5201e924287e325

  • SHA512

    7cd7195bf1ee579866850e0bfa252cc688ae816dfd136ccbdffac10357f486cfda950fac830292d4be9660e306ed0dc77918068ffa8ac4cd5305b89b23476f00

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\1fb752e9020922efced7e0ecec27049a37c49bd8621dddd9f5201e924287e325.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1fb752e9020922efced7e0ecec27049a37c49bd8621dddd9f5201e924287e325.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:860

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/860-114-0x0000000000000000-mapping.dmp

  • memory/860-115-0x0000000073FB0000-0x0000000073FDD000-memory.dmp

    Filesize

    180KB

  • memory/860-117-0x00000000034C0000-0x00000000034C6000-memory.dmp

    Filesize

    24KB