Analysis

  • max time kernel
    18s
  • max time network
    151s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 08:59

General

  • Target

    2dd458e0f6ea3b3db2037f62c5d7d44cc3d1500d8d1e5787565f4a762c093edf.dll

  • Size

    162KB

  • MD5

    ca5fc02044520cdd8b99322cd699c2d3

  • SHA1

    c4dfd273aa80840d1f1459d6606803b5c0e2c2fa

  • SHA256

    2dd458e0f6ea3b3db2037f62c5d7d44cc3d1500d8d1e5787565f4a762c093edf

  • SHA512

    74388d0fc73bd567569ca20a380c0bc9921bc8fef50f567efe859cd5066c294e27b749360af56abe7eb0ecee33a469569572dab56a1b71295e4386ce21800caf

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\2dd458e0f6ea3b3db2037f62c5d7d44cc3d1500d8d1e5787565f4a762c093edf.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2dd458e0f6ea3b3db2037f62c5d7d44cc3d1500d8d1e5787565f4a762c093edf.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2220

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2220-114-0x0000000000000000-mapping.dmp

  • memory/2220-115-0x0000000002DD0000-0x0000000002F1A000-memory.dmp

    Filesize

    1.3MB

  • memory/2220-116-0x00000000736B0000-0x00000000736DE000-memory.dmp

    Filesize

    184KB