Analysis

  • max time kernel
    26s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    23-06-2021 21:14

General

  • Target

    787b1b7627db90919767db72f25dc983d5e7ab74f3910b0e0692eb337808ef5b.dll

  • Size

    158KB

  • MD5

    8827985946c478d442536e7501fc8ec6

  • SHA1

    fdac9fd1bb407ff3024475d4fa9b8b3de4fe2e1d

  • SHA256

    787b1b7627db90919767db72f25dc983d5e7ab74f3910b0e0692eb337808ef5b

  • SHA512

    41141c4949907f92c1e1f89a2243507eff2a53b8da00478b9b40ea8c2bd9fbc9406dba62475708f2747bd9e243da671bf4a93b693059cb9966e14864e7d186e8

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\787b1b7627db90919767db72f25dc983d5e7ab74f3910b0e0692eb337808ef5b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\787b1b7627db90919767db72f25dc983d5e7ab74f3910b0e0692eb337808ef5b.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1884

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1884-114-0x0000000000000000-mapping.dmp
  • memory/1884-115-0x0000000073530000-0x000000007355D000-memory.dmp
    Filesize

    180KB

  • memory/1884-117-0x0000000000D80000-0x0000000000D86000-memory.dmp
    Filesize

    24KB