Analysis

  • max time kernel
    27s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-06-2021 13:10

General

  • Target

    1db2be7057626aef12e35d67239b64be615e1a29e312b9f63c003b34cb0d3dcc.dll

  • Size

    158KB

  • MD5

    64e9a55c70af8fce45836a0655bcdfc1

  • SHA1

    2cca6c278fcf90522255b3abb97d536c20e2c90c

  • SHA256

    1db2be7057626aef12e35d67239b64be615e1a29e312b9f63c003b34cb0d3dcc

  • SHA512

    996685bb519d738180d67697168d990bf1754c8153f995686de165c0c8d8f7333cf2896558cc1bfbc8bfe122216974c8df0a73962aa79a33871b1e1150572d6a

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\1db2be7057626aef12e35d67239b64be615e1a29e312b9f63c003b34cb0d3dcc.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1db2be7057626aef12e35d67239b64be615e1a29e312b9f63c003b34cb0d3dcc.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1448

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1448-114-0x0000000000000000-mapping.dmp
  • memory/1448-115-0x0000000073C70000-0x0000000073C9D000-memory.dmp
    Filesize

    180KB

  • memory/1448-117-0x0000000000790000-0x0000000000796000-memory.dmp
    Filesize

    24KB