Analysis

  • max time kernel
    23s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 02:19

General

  • Target

    7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906.dll

  • Size

    158KB

  • MD5

    88fc34b84d2afb79ce1ef3e4ec906c03

  • SHA1

    17870843c57e2803f31d686176bf4d378de67001

  • SHA256

    7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906

  • SHA512

    dd635b7565f62115ff14f64ac3a0cf5828ccf115c38c9d3f94525cd7f9a022ee8e44d36e4cd69e0b49bf73a1efe4785c53037cc5f99364ecf92ddf66c15803b2

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7385ce6f412a73634313b37f106f41f7bb1929a94fb98813596d67dc6317f906.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1840

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1840-114-0x0000000000000000-mapping.dmp
  • memory/1840-115-0x0000000073B80000-0x0000000073BAD000-memory.dmp
    Filesize

    180KB

  • memory/1840-117-0x0000000000510000-0x0000000000516000-memory.dmp
    Filesize

    24KB