Analysis

  • max time kernel
    27s
  • max time network
    9s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 18:18

General

  • Target

    62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8.dll

  • Size

    157KB

  • MD5

    8149d53aa058c075528edfb2dcebf926

  • SHA1

    0c48445ed97c62b3f94195b13f1d36478ee91da1

  • SHA256

    62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8

  • SHA512

    324ee8f2966246f4b5a755184e309fbbaafecfa0c2898371906fce22b3017af40421c818d043af55baa4fb928786bb6e50ee6da1efc5091d9be084d223103531

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\62558cbed6a8dad6dc26ad430bb1799a2bc57064fd902cc26efef1bc96c04aa8.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1364

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1364-59-0x0000000000000000-mapping.dmp
  • memory/1364-60-0x0000000074FB1000-0x0000000074FB3000-memory.dmp
    Filesize

    8KB

  • memory/1364-61-0x00000000747E0000-0x000000007480D000-memory.dmp
    Filesize

    180KB

  • memory/1364-63-0x00000000001A0000-0x00000000001A6000-memory.dmp
    Filesize

    24KB