Analysis

  • max time kernel
    25s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    25-06-2021 15:40

General

  • Target

    d715b4a0104043112ff5fab3f4762e6ac0e32b7dae69427b4a70cbb39c4dfc1f.dll

  • Size

    160KB

  • MD5

    d363b4dede1f24d5d583506fa20fc6a4

  • SHA1

    0cd2cf43e82614695401cec2f80bca4f136947b3

  • SHA256

    d715b4a0104043112ff5fab3f4762e6ac0e32b7dae69427b4a70cbb39c4dfc1f

  • SHA512

    4f732e5d496c65a50080ebde44dc2b9774f8888844e65d3e9375d5ca688694965b50baa0bc2c7e900506bc8ca1e5c8a5bba3da5157d87db1e6fcabbc30603fd5

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\d715b4a0104043112ff5fab3f4762e6ac0e32b7dae69427b4a70cbb39c4dfc1f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d715b4a0104043112ff5fab3f4762e6ac0e32b7dae69427b4a70cbb39c4dfc1f.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1112

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1112-114-0x0000000000000000-mapping.dmp

  • memory/1112-115-0x0000000073FB0000-0x0000000073FDE000-memory.dmp

    Filesize

    184KB

  • memory/1112-117-0x00000000031D0000-0x00000000031D6000-memory.dmp

    Filesize

    24KB