Analysis

  • max time kernel
    35s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 17:04

General

  • Target

    032799e6c9d2fcba6289caabb66a461e2329ab77ccf75036eefd099f71e26ce7.dll

  • Size

    162KB

  • MD5

    53784455bf43248602db7f301f5e042d

  • SHA1

    ced0c6153b2f0402b17073d9c29c1b4f7ddacb86

  • SHA256

    032799e6c9d2fcba6289caabb66a461e2329ab77ccf75036eefd099f71e26ce7

  • SHA512

    124fc5b0bcf19767f2e239b6d5485f71f142c177c234c34e32b5cad503e6e7721a2c59e6aa892c0c18b2dff4e1f1c6f2b05c3662feb6a64685be0dffdce53bdd

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\032799e6c9d2fcba6289caabb66a461e2329ab77ccf75036eefd099f71e26ce7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\032799e6c9d2fcba6289caabb66a461e2329ab77ccf75036eefd099f71e26ce7.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:4068

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

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Downloads

  • memory/4068-114-0x0000000000000000-mapping.dmp
  • memory/4068-115-0x00000000739B0000-0x00000000739DE000-memory.dmp
    Filesize

    184KB

  • memory/4068-117-0x0000000000A00000-0x0000000000AAE000-memory.dmp
    Filesize

    696KB