Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 15:46

General

  • Target

    976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f.dll

  • Size

    162KB

  • MD5

    e1f55dff7ad75678eecbe8581361cc7f

  • SHA1

    eb7165ed534da45224498cbc5834dc8cbc6396da

  • SHA256

    976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f

  • SHA512

    31ee958a408bf98bce451b8563ca4c20a4933d76bebc890be82d4bb4e470c6e5f909d4524c818168fd6ec11028b9c9f9527435f42c83bb11836bedf44a92adf9

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\976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3944
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\976c9bed071c1837b65c50318b26d8260ebc6229237a85b18c2ff6ca064a7e9f.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2264

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2264-114-0x0000000000000000-mapping.dmp

  • memory/2264-115-0x0000000073860000-0x000000007388E000-memory.dmp

    Filesize

    184KB

  • memory/2264-117-0x00000000031D0000-0x00000000031D6000-memory.dmp

    Filesize

    24KB