Analysis

  • max time kernel
    26s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 04:56

General

  • Target

    7487a32d4c105092b4ab1f40310bb9a89c574695b60617dcf82f04faeee35a63.dll

  • Size

    162KB

  • MD5

    6cfa461a264ef628f2fc8be499a42d95

  • SHA1

    5b209931218a05cf50056aae696a82d9122427e6

  • SHA256

    7487a32d4c105092b4ab1f40310bb9a89c574695b60617dcf82f04faeee35a63

  • SHA512

    9d11bd2909d078bf6b419a988e7a06bb49a70748a5c2edc10deacf180dad88a35fefe2ecc4be6402bca25df320a72e447b5a61de862769996a39814cf2f4d81b

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\7487a32d4c105092b4ab1f40310bb9a89c574695b60617dcf82f04faeee35a63.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3492
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7487a32d4c105092b4ab1f40310bb9a89c574695b60617dcf82f04faeee35a63.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3996-114-0x0000000000000000-mapping.dmp

  • memory/3996-115-0x0000000073560000-0x000000007358E000-memory.dmp

    Filesize

    184KB

  • memory/3996-117-0x0000000002BF0000-0x0000000002BF6000-memory.dmp

    Filesize

    24KB