Analysis

  • max time kernel
    18s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 04:11

General

  • Target

    fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2.dll

  • Size

    162KB

  • MD5

    2ea402be17b1ad3cf3e92031eda1eabf

  • SHA1

    aacf375368f3884a64573478ea4d258a3a952c10

  • SHA256

    fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2

  • SHA512

    7c1c17abed3d96fc000c57cbe061104e468b196574907e54cfbf2e0c548297c27c284a90d302c6db0acf6cdbca3a0c37415b9b939a5cded5dc40a7d583dfc631

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 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa921448bfe92e43830fe2107a57569285603eb178547338fb73bf1a77cfc1e2.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/4016-114-0x0000000000000000-mapping.dmp

  • memory/4016-115-0x00000000736B0000-0x00000000736DE000-memory.dmp

    Filesize

    184KB

  • memory/4016-117-0x00000000008C0000-0x00000000008C6000-memory.dmp

    Filesize

    24KB