Analysis

  • max time kernel
    18s
  • max time network
    115s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 11:28

General

  • Target

    9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad.dll

  • Size

    158KB

  • MD5

    4bf5f39c639cd1c92b681f1859d16344

  • SHA1

    05d79c67440ad67bfbbd3de945d416d9fea48cc9

  • SHA256

    9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad

  • SHA512

    7c539e5d08a46bb98b2ca95eba4c4d64d88d8062176d5837a02d097617bca5af05eab4df4d00a054c4ac46a1aee15a214e098d36a19692b590e4897e00d2c2df

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

8.210.53.215:443

72.249.22.245:2303

188.40.137.206:8172

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\9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3176
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\9efa2be3b8cdeb0b0d3291b7a73183cf65ac95f751fb1e58ea5b2396d26e63ad.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:772

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/772-115-0x0000000073BF0000-0x0000000073C1D000-memory.dmp

    Filesize

    180KB

  • memory/772-117-0x0000000002C00000-0x0000000002C06000-memory.dmp

    Filesize

    24KB