Analysis

  • max time kernel
    131s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 18:18

General

  • Target

    7568a20607e36cf05d882fa6a1f409b06ce092879dddcd22edc2b66989a046b9.dll

  • Size

    154KB

  • MD5

    065ce8c9ec0755b2d3901d1e7880f915

  • SHA1

    e6ea8b0a0d9ed39c2e2c1d6174d8857c17b4e153

  • SHA256

    7568a20607e36cf05d882fa6a1f409b06ce092879dddcd22edc2b66989a046b9

  • SHA512

    23de305b1a4a95c667f1ec7fd180ea77eee726ef2eea99857bc412cc5d04f94ad0f7475e6e805af01109264b34f9e3b044e8354c76645fa6b2980c873c802819

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\7568a20607e36cf05d882fa6a1f409b06ce092879dddcd22edc2b66989a046b9.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7568a20607e36cf05d882fa6a1f409b06ce092879dddcd22edc2b66989a046b9.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:732

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/732-114-0x0000000000000000-mapping.dmp

  • memory/732-115-0x00000000739B0000-0x00000000739DD000-memory.dmp

    Filesize

    180KB

  • memory/732-117-0x0000000002E00000-0x0000000002F4A000-memory.dmp

    Filesize

    1.3MB