Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    29-06-2021 06:13

General

  • Target

    cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e.dll

  • Size

    162KB

  • MD5

    1b0f4a5f3ca20062b9433c5acfbb4a3c

  • SHA1

    8b66aaedb3288177e2d0595c337f338a2a62b79f

  • SHA256

    cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e

  • SHA512

    21759f8225149634c8b27cc4cbe786a5a4d2abb2c4bd6d6dfe3560c4bc572afb454bfd107c4a9cd6c1a0c17832697abf1f7bab7c6e1d84f7800b3d4ed5390b3d

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\cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3908
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cf352c6d48194d899042c877caec515aa481cb711cc3fac9647fb633e4021c4e.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3700

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3700-114-0x0000000000000000-mapping.dmp

  • memory/3700-115-0x00000000739D0000-0x00000000739FE000-memory.dmp

    Filesize

    184KB

  • memory/3700-117-0x0000000002E60000-0x0000000002F0E000-memory.dmp

    Filesize

    696KB