Analysis

  • max time kernel
    23s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 16:52

General

  • Target

    2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll

  • Size

    162KB

  • MD5

    511d836cd57f95f3e9aa0e3db8911f94

  • SHA1

    74d2f518c5172c7d16205c576c77af7aca0e2dea

  • SHA256

    2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e

  • SHA512

    cd6dbe6dc11b2807a112710fc2ea54db604c1af7c6ee0bda75eb9243d1ec88f24047dc56e897542dfa792e9e8f4d6e38e1bf5c6ed8a7bc1405ecaf06d382be91

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\2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:336
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d4d37498d13415b59c1887acf7346429aa3411d5081bb545f816548f7ae9d6e.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1924

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1924-60-0x0000000000000000-mapping.dmp
  • memory/1924-61-0x0000000075551000-0x0000000075553000-memory.dmp
    Filesize

    8KB

  • memory/1924-63-0x0000000074A90000-0x0000000074ABE000-memory.dmp
    Filesize

    184KB

  • memory/1924-62-0x0000000000180000-0x0000000000186000-memory.dmp
    Filesize

    24KB