Analysis

  • max time kernel
    18s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 09:17

General

  • Target

    c969b8ee585437ad850a4d37e8b8b974e30321032b85a54080ff1ea54b4fda78.dll

  • Size

    162KB

  • MD5

    3896a556c0223b954da6767a72b16d2e

  • SHA1

    72c1ecb84fd7de84b8427cfb8841a82a8b1aa8d1

  • SHA256

    c969b8ee585437ad850a4d37e8b8b974e30321032b85a54080ff1ea54b4fda78

  • SHA512

    5234c9d9931e2f57956adfa2300689f34b11081850724b3200ab546b93b05a4ce38bb6823fa04370c3140a3e82bcced93403d617d0b509f347f67936f0bcd728

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\c969b8ee585437ad850a4d37e8b8b974e30321032b85a54080ff1ea54b4fda78.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3152
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c969b8ee585437ad850a4d37e8b8b974e30321032b85a54080ff1ea54b4fda78.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3984

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3984-115-0x0000000073BF0000-0x0000000073C1E000-memory.dmp

    Filesize

    184KB

  • memory/3984-117-0x0000000002950000-0x0000000002956000-memory.dmp

    Filesize

    24KB