Analysis

  • max time kernel
    23s
  • max time network
    8s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 16:03

General

  • Target

    dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999.dll

  • Size

    162KB

  • MD5

    57273b23b63a362afc51feb30e7d63e3

  • SHA1

    57cfef0507aae132ec010ef48f6dfdd7c6fe7b0a

  • SHA256

    dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999

  • SHA512

    2e4936e3701c9c63074dd0e02073f1e13fbf941cb0f45c9604ed89018af500e6f4fd4ff9e0cc6fab4a92cc7fa170fb9a1cef288af0bb207380dad0cc193f25ce

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1100
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\dbe8c911c65d71c17f68536e2be1d5a9339d09b52a85905a6ff047106d5db999.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1052

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1052-59-0x0000000000000000-mapping.dmp
  • memory/1052-60-0x00000000757D1000-0x00000000757D3000-memory.dmp
    Filesize

    8KB

  • memory/1052-61-0x0000000074D40000-0x0000000074D6E000-memory.dmp
    Filesize

    184KB

  • memory/1052-63-0x00000000001C0000-0x00000000001C6000-memory.dmp
    Filesize

    24KB