Analysis

  • max time kernel
    27s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-06-2021 07:23

General

  • Target

    774bf42a3d77a0a623407eadbf886b8679e18d482fe834c978c3ed25c76b27ae.dll

  • Size

    158KB

  • MD5

    9b729ae61eeecca5cb1d1d03745ed2f8

  • SHA1

    6a3442a9d3dd87ade2224c704c78abf19cc8846f

  • SHA256

    774bf42a3d77a0a623407eadbf886b8679e18d482fe834c978c3ed25c76b27ae

  • SHA512

    1c1e31873dc5d95bdf12a665a3847881ccf4b963d9ac0adc13422848f362d95d311b09b8bdeee68784e38471bc9e3276336c789132b010c5213e1f73fb1a6a47

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\774bf42a3d77a0a623407eadbf886b8679e18d482fe834c978c3ed25c76b27ae.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3128
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\774bf42a3d77a0a623407eadbf886b8679e18d482fe834c978c3ed25c76b27ae.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3956

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3956-115-0x0000000073990000-0x00000000739BD000-memory.dmp

    Filesize

    180KB

  • memory/3956-117-0x0000000002BE0000-0x0000000002BE6000-memory.dmp

    Filesize

    24KB