Analysis

  • max time kernel
    29s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 06:12

General

  • Target

    2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6.dll

  • Size

    162KB

  • MD5

    20c5add30791bef95e4b6286b689845d

  • SHA1

    39595dc59350ea1693bb553e021995a7e9aedba8

  • SHA256

    2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6

  • SHA512

    39c8161a52faa4a1b0750253bd4e1eca08c0c9c493ad116391ff44c10b377fb741ecb59aaa4c00b9cd432571dd3fc6596ff2181983fe666d3204205dd55a55a0

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\2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:992
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2b4862c6f2e27071e3bd74673ec5fe1386cd03bd9b23bbe4b1a2ebc508a169a6.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:2180

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2180-115-0x0000000073F10000-0x0000000073F3E000-memory.dmp

    Filesize

    184KB

  • memory/2180-117-0x0000000001130000-0x000000000127A000-memory.dmp

    Filesize

    1.3MB