Analysis

  • max time kernel
    26s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 05:32

General

  • Target

    8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a.dll

  • Size

    162KB

  • MD5

    3a131694507418c2e42cc3269b3d40cf

  • SHA1

    624f860b56da242145fb6f17bd1093b2d41786e1

  • SHA256

    8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a

  • SHA512

    50cf2b886bdb8fd45a69ab098570dccff03a424ce87764aef9612590c8920d3be470b70e7a6572e49bf9a5b3f91a161a11a2837d75f43c8ccacc06c9e3c2027b

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\8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3008
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8cfe2a274fc203dfc57f858e8bf5af227447c8236eddf0f61b3fd19d2d59961a.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:500

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/500-115-0x0000000073890000-0x00000000738BE000-memory.dmp

    Filesize

    184KB

  • memory/500-117-0x0000000000680000-0x0000000000686000-memory.dmp

    Filesize

    24KB