Analysis

  • max time kernel
    110s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15-09-2024 04:41

General

  • Target

    885eb969becc93c091aac8d558a0d4e0N.dll

  • Size

    665KB

  • MD5

    885eb969becc93c091aac8d558a0d4e0

  • SHA1

    199b5e14020b37ccd4e52cc139f3f68a95cf68c2

  • SHA256

    b4ef52631bc1d0c6591d3a942458ec3ce932c8fa6755b25568a0cd95595288d5

  • SHA512

    da9a51fca7eba009da8ff464ee8d4a11bc2f69bf7827769cc00bcfca1bb2d23e45d649f2b9033f3c811dc7cc597b045f34e9d105a2a731be4f38a4bb6a2d5fff

  • SSDEEP

    12288:TSOP47es0e6yHPJfWqu4bx2zqTiZkWazdB:TBQes0e6yHak

Malware Config

Extracted

Family

dridex

Botnet

22201

C2

144.76.1.150:443

50.249.212.98:23399

104.168.154.79:5007

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.

  • 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 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\885eb969becc93c091aac8d558a0d4e0N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2688
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\885eb969becc93c091aac8d558a0d4e0N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 220
        3⤵
        • Program crash
        PID:2092

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2888-2-0x0000000000110000-0x0000000000116000-memory.dmp

    Filesize

    24KB

  • memory/2888-0-0x0000000074660000-0x0000000074691000-memory.dmp

    Filesize

    196KB