Analysis

  • max time kernel
    19s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    24-06-2021 06:19

General

  • Target

    d59195c3d33622e59525093d8234525a986e5449de5c7ad642b12764477b85e2.dll

  • Size

    160KB

  • MD5

    ee2f1da629923f19edebc90a3615c21d

  • SHA1

    fc2852bd2695d99b86aba4feb1894e96c646867f

  • SHA256

    d59195c3d33622e59525093d8234525a986e5449de5c7ad642b12764477b85e2

  • SHA512

    3aeb829f5597c243a52fda3bec31a987ae4ab74da58ab9956441331130a22f3cf5587ad3dac092a4505465cc9252825770b272d83ade5d51228f84fbcd7ac1aa

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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\d59195c3d33622e59525093d8234525a986e5449de5c7ad642b12764477b85e2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4016
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d59195c3d33622e59525093d8234525a986e5449de5c7ad642b12764477b85e2.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3836

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3836-114-0x0000000000000000-mapping.dmp
  • memory/3836-115-0x0000000074480000-0x00000000744AE000-memory.dmp
    Filesize

    184KB

  • memory/3836-117-0x0000000003700000-0x0000000003706000-memory.dmp
    Filesize

    24KB