Analysis

  • max time kernel
    27s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-06-2021 03:55

General

  • Target

    7b63e70afd7f16d7a3f093379ed4be378e956cdbe7500bbedf2e2a0be098f122.dll

  • Size

    162KB

  • MD5

    3c7c8ac681522f5fd9514ae1bd2a4c02

  • SHA1

    1e30155ed52fd8d577262426e3aba82d817be6db

  • SHA256

    7b63e70afd7f16d7a3f093379ed4be378e956cdbe7500bbedf2e2a0be098f122

  • SHA512

    bb29387089343fde68699c97dbedda294d7d40d4dec9c533c7f2b194d4ee4f9269a2827c2a4f7460242a66bb4a1483d335459329718f5905123330d81d497040

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\7b63e70afd7f16d7a3f093379ed4be378e956cdbe7500bbedf2e2a0be098f122.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b63e70afd7f16d7a3f093379ed4be378e956cdbe7500bbedf2e2a0be098f122.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2336-114-0x0000000000000000-mapping.dmp

  • memory/2336-115-0x0000000073990000-0x00000000739BE000-memory.dmp

    Filesize

    184KB

  • memory/2336-117-0x0000000003280000-0x000000000332E000-memory.dmp

    Filesize

    696KB