Analysis

  • max time kernel
    24s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 02:32

General

  • Target

    bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0.dll

  • Size

    158KB

  • MD5

    0e3fd7a74be1268646855c1d61f9225d

  • SHA1

    1336ce4dd98c194e44b60a5851d4888e69911be2

  • SHA256

    bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0

  • SHA512

    c53a8c6d44b0fbf8a558a5f68b1294ec45a1a929c9cc7151fc7213dfa24db882b8bac98e58df8cb60659ce899a69a144b3a0f79c38ff4d933f2b403a6bbaf74e

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\bdb5e2bd5c3523205a317228b3c30999984ca35ea1d92ab2dd009cd7f513b9b0.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1880

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1880-114-0x0000000000000000-mapping.dmp
  • memory/1880-115-0x0000000073B70000-0x0000000073B9D000-memory.dmp
    Filesize

    180KB

  • memory/1880-117-0x00000000023F0000-0x00000000023F6000-memory.dmp
    Filesize

    24KB