Analysis

  • max time kernel
    25s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    20-06-2021 14:16

General

  • Target

    a0622c146f1bb6ad260034516ed2a01fd2f2dec218011ab7421da68c89b3db51.dll

  • Size

    160KB

  • MD5

    e159b1da0b7b11d7cbe99a620c6a554a

  • SHA1

    9e85171bc3107aeef27f07f2c694330aa2dfaa04

  • SHA256

    a0622c146f1bb6ad260034516ed2a01fd2f2dec218011ab7421da68c89b3db51

  • SHA512

    70dcac85be670e3db502978e10ad76976c224501dac203e188b790f6e7c11bcf8a146918f3f1c218266a9934e928c143e2d26c8e0d0a457921c70c0f2cf552b9

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\a0622c146f1bb6ad260034516ed2a01fd2f2dec218011ab7421da68c89b3db51.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a0622c146f1bb6ad260034516ed2a01fd2f2dec218011ab7421da68c89b3db51.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1108

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1108-114-0x0000000000000000-mapping.dmp
  • memory/1108-115-0x00000000736D0000-0x00000000736FE000-memory.dmp
    Filesize

    184KB

  • memory/1108-117-0x0000000000DF0000-0x0000000000DF6000-memory.dmp
    Filesize

    24KB