Analysis

  • max time kernel
    26s
  • max time network
    33s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 23:48

General

  • Target

    7970e355deb7489ddd4130bf8097bfb985b62cb29ddd695c98f7d83efb171db7.dll

  • Size

    161KB

  • MD5

    881c13da6966824fc5628e664ebc7637

  • SHA1

    117c98df3eb82e9e9cba99d8d040831778085bb3

  • SHA256

    7970e355deb7489ddd4130bf8097bfb985b62cb29ddd695c98f7d83efb171db7

  • SHA512

    7d415a559f424e303567926dae4d76d224fddcbc7b389040ba17340c2c9eac784a924f637f28d0ed634166f5cff09a4fb347ae43aa4f6da9f6afcfc98f8ffb91

Malware Config

Extracted

Family

dridex

Botnet

40111

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\7970e355deb7489ddd4130bf8097bfb985b62cb29ddd695c98f7d83efb171db7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:740
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7970e355deb7489ddd4130bf8097bfb985b62cb29ddd695c98f7d83efb171db7.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1336

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1336-114-0x0000000000000000-mapping.dmp
  • memory/1336-115-0x0000000074350000-0x000000007437E000-memory.dmp
    Filesize

    184KB

  • memory/1336-117-0x0000000003340000-0x0000000003346000-memory.dmp
    Filesize

    24KB