Analysis

  • max time kernel
    27s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 16:03

General

  • Target

    1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70.dll

  • Size

    158KB

  • MD5

    045091c7f065f9228fc9de63f4a35e34

  • SHA1

    92a772d52c632cab7b215eac6d8cacc906d168af

  • SHA256

    1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70

  • SHA512

    d7def41a6dce10376ef37a031f0b3deac306b4fe53012707cc636d940287612152d2907326390dff51969fb74f619c91753cf0f230a46cf71e18ecc412bf378b

Malware Config

Extracted

Family

dridex

Botnet

40112

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\1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2840
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\1f25d16934a430dd692340d71db00a8944c50fbad25f111b88e471d67e3c2b70.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3708

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3708-114-0x0000000000000000-mapping.dmp
  • memory/3708-115-0x0000000073890000-0x00000000738BD000-memory.dmp
    Filesize

    180KB

  • memory/3708-117-0x0000000002290000-0x000000000233E000-memory.dmp
    Filesize

    696KB