Analysis

  • max time kernel
    27s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-06-2021 01:15

General

  • Target

    0542bf601acc88a5d5b1fcd252cee5bda255cce133f9d0f73ac5bc4c490e36e6.dll

  • Size

    162KB

  • MD5

    577fd86869f273e90fa0e5101867d2ee

  • SHA1

    4785323c40e4cad2bef372f50bb8552c13c81d57

  • SHA256

    0542bf601acc88a5d5b1fcd252cee5bda255cce133f9d0f73ac5bc4c490e36e6

  • SHA512

    832d8b8668b5ef5504889474312eb1d0b44e5c506fd4b3a8398972051a7fb38f39cc2eeb7e0cc63ec11dd94f7b83d1b7c02c72b5738b502ec22e6798411da8c8

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\0542bf601acc88a5d5b1fcd252cee5bda255cce133f9d0f73ac5bc4c490e36e6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\0542bf601acc88a5d5b1fcd252cee5bda255cce133f9d0f73ac5bc4c490e36e6.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1328

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1328-114-0x0000000000000000-mapping.dmp
  • memory/1328-115-0x0000000073D90000-0x0000000073DBE000-memory.dmp
    Filesize

    184KB

  • memory/1328-117-0x00000000003F0000-0x00000000003F6000-memory.dmp
    Filesize

    24KB