Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 06:57

General

  • Target

    7371001362933249cd5700e79a30629ee2857ca1e59e23b18b9d3be74f054b89.dll

  • Size

    162KB

  • MD5

    b39dac2e1478878de5c607cad0a423a3

  • SHA1

    c4db30c1a8589d54ce64720e2697fd8e56af00c6

  • SHA256

    7371001362933249cd5700e79a30629ee2857ca1e59e23b18b9d3be74f054b89

  • SHA512

    402b82e8dfaae874305eba17a5a18d8ac76b16adca40627e05964469ffa1c999a18c4036c3878661e605fcb7fe083e085df48dcb790e213dca318357d85602e2

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\7371001362933249cd5700e79a30629ee2857ca1e59e23b18b9d3be74f054b89.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7371001362933249cd5700e79a30629ee2857ca1e59e23b18b9d3be74f054b89.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3160

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3160-114-0x0000000000000000-mapping.dmp

  • memory/3160-115-0x00000000735D0000-0x00000000735FE000-memory.dmp

    Filesize

    184KB

  • memory/3160-117-0x0000000000510000-0x000000000065A000-memory.dmp

    Filesize

    1.3MB