Analysis

  • max time kernel
    28s
  • max time network
    31s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    11-05-2021 12:03

General

  • Target

    2c5c9dd6_by_Libranalysis.dll

  • Size

    162KB

  • MD5

    2c5c9dd6d93592669f5825a7802745bf

  • SHA1

    d5ceda3850d2408071546f1201f7ffbe03b95896

  • SHA256

    ea67a5e7103f219bb90bd81baa0e8f1e6b2508af8f763149c6da631c12d4e4be

  • SHA512

    f231dfc6fd2b8d357251ef44e50074d638e37e505faf0a5ef2200d6f2006ea92da25cfcb318f00ce050951884070a3fb29a13b9fcb96e7eb3d87e2747392ef5d

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

107.172.227.10:443

172.93.133.123:2303

108.168.61.147:8172

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 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c5c9dd6_by_Libranalysis.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:296
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2c5c9dd6_by_Libranalysis.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1244

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1244-60-0x0000000000000000-mapping.dmp
  • memory/1244-61-0x00000000757E1000-0x00000000757E3000-memory.dmp
    Filesize

    8KB

  • memory/1244-62-0x0000000074700000-0x000000007472E000-memory.dmp
    Filesize

    184KB

  • memory/1244-64-0x0000000000190000-0x0000000000196000-memory.dmp
    Filesize

    24KB