Analysis

  • max time kernel
    19s
  • max time network
    126s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-06-2021 16:25

General

  • Target

    046afb47aa04b82febd841a16a305c84d3f8285d0f1e952f9f75d18b3b25ac67.dll

  • Size

    158KB

  • MD5

    f3f899232737668c706f35a983d43a57

  • SHA1

    7737c6b69189ffe93043d2b56fee9cd25dafea1b

  • SHA256

    046afb47aa04b82febd841a16a305c84d3f8285d0f1e952f9f75d18b3b25ac67

  • SHA512

    9c346342768377796a6a9b40cfe8e7e952af950535835d53b5d3d76096eb4bdc193a1adfccc5b459f060bc558ed3fa37aec604b81aa7b04b542b98600b1cfd4b

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\046afb47aa04b82febd841a16a305c84d3f8285d0f1e952f9f75d18b3b25ac67.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\046afb47aa04b82febd841a16a305c84d3f8285d0f1e952f9f75d18b3b25ac67.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2000

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2000-114-0x0000000000000000-mapping.dmp
  • memory/2000-115-0x0000000073DE0000-0x0000000073E0D000-memory.dmp
    Filesize

    180KB

  • memory/2000-117-0x0000000003F30000-0x0000000003F36000-memory.dmp
    Filesize

    24KB