Analysis

  • max time kernel
    26s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-06-2021 14:40

General

  • Target

    710054997d4eb9a27731fbd991a1d2c57ac84cff5468bb08b7faa6e4a5e54118.dll

  • Size

    158KB

  • MD5

    3825b09e217afc63adca0bad46d0721d

  • SHA1

    c1083ddb81482f028eb5892de9a9b2d8ca5d294e

  • SHA256

    710054997d4eb9a27731fbd991a1d2c57ac84cff5468bb08b7faa6e4a5e54118

  • SHA512

    8ed022dde751973ef716216cdaa202939715c8d06092521b520cf3a0130bade977f38ee7aa42e8cb642551b0aed2a2868f711d98b9e17181b43a8b4831e928ce

Malware Config

Extracted

Family

dridex

Botnet

40111

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\710054997d4eb9a27731fbd991a1d2c57ac84cff5468bb08b7faa6e4a5e54118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:516
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\710054997d4eb9a27731fbd991a1d2c57ac84cff5468bb08b7faa6e4a5e54118.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1648-114-0x0000000000000000-mapping.dmp

  • memory/1648-115-0x00000000735F0000-0x000000007361D000-memory.dmp

    Filesize

    180KB

  • memory/1648-117-0x0000000002B30000-0x0000000002B36000-memory.dmp

    Filesize

    24KB