Analysis

  • max time kernel
    47s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 01:30

General

  • Target

    11afa7d04a73a082e6524aa92281e570N.dll

  • Size

    236KB

  • MD5

    11afa7d04a73a082e6524aa92281e570

  • SHA1

    9422aa76fd425367ce2ff8de8151725e9da57133

  • SHA256

    9beb14616ccc7d35a7e998e9767dbf363df3d3ce0296987d1b5468f6af858ab0

  • SHA512

    3f8d819847e75138a3c0366bedbbffba09f2dbaa627ee8490dd1208a66cfba02ff48e4314329fc3bd820c2492ccf87cc34f85849d230d8775114c2415a7ab015

  • SSDEEP

    6144:b1G3WVIOY6Bdjehj+qudd96ou/6mv5wdC:b1GmSafShjYdd96z/6cwdC

Malware Config

Extracted

Family

dridex

Botnet

111

C2

52.73.70.149:443

8.4.9.152:3786

185.246.87.202:3098

50.116.111.64:5353

rc4.plain
rc4.plain

Signatures

  • Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Dridex Loader 2 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\11afa7d04a73a082e6524aa92281e570N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2400
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\11afa7d04a73a082e6524aa92281e570N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2680-0-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB

  • memory/2680-1-0x0000000074FE0000-0x000000007501D000-memory.dmp

    Filesize

    244KB

  • memory/2680-3-0x0000000000220000-0x0000000000226000-memory.dmp

    Filesize

    24KB

  • memory/2680-2-0x0000000074FE0000-0x000000007501D000-memory.dmp

    Filesize

    244KB