Analysis

  • max time kernel
    19s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-06-2021 09:20

General

  • Target

    30b41b9341f44b9a316606eb0ad06236b8f331aa524e5736018f4e75ddc3c038.dll

  • Size

    160KB

  • MD5

    2a5f674c1d211d7161b3ac8c6d349bf0

  • SHA1

    87e9625396e803870b31e4a4e322cc63815a9e5f

  • SHA256

    30b41b9341f44b9a316606eb0ad06236b8f331aa524e5736018f4e75ddc3c038

  • SHA512

    745a6208444aadf76dac0e6154c85fea1eb8284ac9eee3ba760502e2e4131d29a24428a032f9012411dd81c9d0fedbcb6e690435f89c858498c054e3dd6fffff

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\30b41b9341f44b9a316606eb0ad06236b8f331aa524e5736018f4e75ddc3c038.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\30b41b9341f44b9a316606eb0ad06236b8f331aa524e5736018f4e75ddc3c038.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3952

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3952-114-0x0000000000000000-mapping.dmp
  • memory/3952-115-0x0000000074380000-0x00000000743AE000-memory.dmp
    Filesize

    184KB

  • memory/3952-117-0x0000000003030000-0x0000000003036000-memory.dmp
    Filesize

    24KB