Analysis

  • max time kernel
    104s
  • max time network
    105s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 18:00

General

  • Target

    0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba.dll

  • Size

    157KB

  • MD5

    602b3e2a5c45e5fe055e283d8188e9cf

  • SHA1

    75817a39f99828720e1a52f83d28faa3fcbaae90

  • SHA256

    0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba

  • SHA512

    72f49594cf55c1de47256cdf4826d95db7ef7a72b512aca6dbbc239efa6365205948f22f0f184a6bcde64281ede60090d1ad12b1279541928ffe98d6d742c433

Malware Config

Extracted

Family

dridex

Botnet

40112

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\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba.dll,#1
    1⤵
    • Checks whether UAC is enabled
    PID:2220
  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\0cf55152a0d6f47f60f75d98979b98012558d81005b559551ef58cd6d4a070ba.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2116

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/2220-114-0x0000000000000000-mapping.dmp
  • memory/2220-115-0x0000000074420000-0x000000007444D000-memory.dmp
    Filesize

    180KB

  • memory/2220-117-0x0000000000A00000-0x0000000000A06000-memory.dmp
    Filesize

    24KB