Analysis

  • max time kernel
    30s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23-06-2021 14:22

General

  • Target

    579938bd14e6eb38ea70c7d6accba39db3a903ddd7e8c62b8fbd5cc427d56262.dll

  • Size

    160KB

  • MD5

    aa210622d5b2b40a047d29a1c238fab9

  • SHA1

    f9cfc0326d927338711062e8a973a443222d3cb6

  • SHA256

    579938bd14e6eb38ea70c7d6accba39db3a903ddd7e8c62b8fbd5cc427d56262

  • SHA512

    26b7b3c284eaf139037697d39b219f8785ba4b604ae23dbdb6b7c375adec7507db21ed733bab56c4eb0a3ba4c668c5adc46d8679c54eade72a6f0e8184845f19

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\579938bd14e6eb38ea70c7d6accba39db3a903ddd7e8c62b8fbd5cc427d56262.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\579938bd14e6eb38ea70c7d6accba39db3a903ddd7e8c62b8fbd5cc427d56262.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:556

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/556-114-0x0000000000000000-mapping.dmp

  • memory/556-115-0x0000000074400000-0x000000007442E000-memory.dmp

    Filesize

    184KB

  • memory/556-117-0x0000000002F30000-0x0000000002F36000-memory.dmp

    Filesize

    24KB