Analysis

  • max time kernel
    19s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-06-2021 01:00

General

  • Target

    580e4dcfdafc278ab8db8b361932558373261f151426163da154f71153797b5c.dll

  • Size

    158KB

  • MD5

    598ac59625d3dbc58b4f6e984b7bef59

  • SHA1

    2aea03090422483478901640d3bab02a9eefb490

  • SHA256

    580e4dcfdafc278ab8db8b361932558373261f151426163da154f71153797b5c

  • SHA512

    0b3ffb806dc07ac7e3fce5276b4d6e5d73bb1990931754400d9d098aba2f71cc5f22101fd7fd78f12d8c47835b5c06598f1fc2aca3e6f2363f50a7520214f01b

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\580e4dcfdafc278ab8db8b361932558373261f151426163da154f71153797b5c.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\580e4dcfdafc278ab8db8b361932558373261f151426163da154f71153797b5c.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1892

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1892-114-0x0000000000000000-mapping.dmp

  • memory/1892-115-0x0000000073660000-0x000000007368D000-memory.dmp

    Filesize

    180KB

  • memory/1892-117-0x0000000002B60000-0x0000000002CAA000-memory.dmp

    Filesize

    1.3MB