Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-01-2025 15:32

General

  • Target

    27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6.dll

  • Size

    170KB

  • MD5

    1cb656c7ac7e08e5d50248ca7ee78a98

  • SHA1

    aca2746215df07e753a2c8a3fe0eeac74873c1b3

  • SHA256

    27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6

  • SHA512

    032fb03ec05161cd28bf3cf2162976ccf6014e0cda0904f5115cc12d3402d2d79ef6ea7c6aa9bc782428f13a74714c1cde331cccfedef23d741392aa093dedf2

  • SSDEEP

    3072:rV/jTmL3X6TLhgZBxbvRS1ebSi75S5NNZ4n+whXVM9MWdo8erjy:rV/jTe38LiI4Oi75izyn+4lmd

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

rc4.plain
rc4.plain

Signatures

  • Dridex

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

  • Dridex family
  • Dridex Loader 1 IoCs

    Detects Dridex both x86 and x64 loader in memory.

  • Program crash 1 IoCs
  • 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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\27d56ac8d2507dad368f3c3b0b1dc8665fd7ca16d3a343ff59f310c309a90dd6.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1120
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 660
        3⤵
        • Program crash
        PID:4072
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1120 -ip 1120
    1⤵
      PID:1108

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1120-0-0x00000000014A0000-0x00000000014A6000-memory.dmp

      Filesize

      24KB

    • memory/1120-1-0x0000000074BF0000-0x0000000074C1F000-memory.dmp

      Filesize

      188KB

    • memory/1120-3-0x00000000014A0000-0x00000000014A6000-memory.dmp

      Filesize

      24KB