Analysis

  • max time kernel
    39s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    26-06-2022 05:31

General

  • Target

    epix12dx.dll

  • Size

    476KB

  • MD5

    a3a64611273a16751d073c147b783c06

  • SHA1

    0757337ab4720ba52b02fca61fa5b294d6deba35

  • SHA256

    577f04df45d0e29c54c2ed22493da51147f7b07654b1551116e524dc576f4369

  • SHA512

    59f7263454511ee475742a6fa5046e1f7ba6fff82963817bfae8876cfef3f02dfe26463dfdeafcaf480d82bdfc3f5ead7cac9cf39b1dbc37932e93ee3e1f218a

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

23.246.204.126:443

151.106.39.36:8116

103.124.144.123:6891

172.105.78.60:4664

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
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\epix12dx.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1592
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\epix12dx.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1556
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1556 -s 344
        3⤵
        • Program crash
        PID:1312

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1312-59-0x0000000000000000-mapping.dmp

  • memory/1556-54-0x0000000000000000-mapping.dmp

  • memory/1556-55-0x0000000075581000-0x0000000075583000-memory.dmp

    Filesize

    8KB

  • memory/1556-56-0x0000000000170000-0x0000000000176000-memory.dmp

    Filesize

    24KB

  • memory/1556-57-0x0000000074BE0000-0x0000000074C59000-memory.dmp

    Filesize

    484KB

  • memory/1556-60-0x0000000000170000-0x0000000000176000-memory.dmp

    Filesize

    24KB