Analysis

  • max time kernel
    27s
  • max time network
    68s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    26-06-2021 07:03

General

  • Target

    c367ad39c381c7d56159ed068e73a27bc6b78c20f69959454de3d71029b9a048.dll

  • Size

    160KB

  • MD5

    025c372e5df8ec25de936b4184cf0558

  • SHA1

    801d3f6eed21a293fbf8260d723a9a84e773ddc7

  • SHA256

    c367ad39c381c7d56159ed068e73a27bc6b78c20f69959454de3d71029b9a048

  • SHA512

    841d092b4a6411d84aa3391a5cdc0f94c8dc841fccd8795a7f77c396ebe67bc3eceab062f4609c3585f7176ff47a1451230c00b108c16179b7fe8c912cf0efdc

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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\c367ad39c381c7d56159ed068e73a27bc6b78c20f69959454de3d71029b9a048.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\c367ad39c381c7d56159ed068e73a27bc6b78c20f69959454de3d71029b9a048.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1340

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1340-114-0x0000000000000000-mapping.dmp

  • memory/1340-115-0x0000000073F50000-0x0000000073F7E000-memory.dmp

    Filesize

    184KB

  • memory/1340-117-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB