Analysis

  • max time kernel
    137s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 18:18

General

  • Target

    05bb6cecbc8dfce3d509a8613196e55094ee2af4071bd99d3ce80fa4a631935e.dll

  • Size

    154KB

  • MD5

    c5d6668dde886a47f3ac9f1c8ddaa07b

  • SHA1

    7a6081b591856e1ec919839ae1d3a07d0496fef5

  • SHA256

    05bb6cecbc8dfce3d509a8613196e55094ee2af4071bd99d3ce80fa4a631935e

  • SHA512

    171fa8f403d689b5b3a507791b130366da1f8c2212d3f7d882f25897695cfe5b276f65b6023b1f17e046e1ef5a6bbf9bd41fe2cc9c60b835a3860f6733c0f54b

Malware Config

Extracted

Family

dridex

Botnet

40111

C2

159.8.59.82:443

51.91.156.39:2303

67.196.50.240:8172

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\05bb6cecbc8dfce3d509a8613196e55094ee2af4071bd99d3ce80fa4a631935e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\05bb6cecbc8dfce3d509a8613196e55094ee2af4071bd99d3ce80fa4a631935e.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1800

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1800-114-0x0000000000000000-mapping.dmp

  • memory/1800-115-0x0000000073F50000-0x0000000073F7D000-memory.dmp

    Filesize

    180KB

  • memory/1800-117-0x0000000000F00000-0x0000000000F06000-memory.dmp

    Filesize

    24KB