Analysis

  • max time kernel
    25s
  • max time network
    135s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    21-04-2021 13:57

General

  • Target

    5e17489f14290da984483c3671679c43368150cf7fd7791a47bf71733b2d5de4.dll

  • Size

    162KB

  • MD5

    5526a759ba7b270b9c4197e8501efdaf

  • SHA1

    1b9631d67d9a5c31036046d93b2c83be10d7d968

  • SHA256

    5e17489f14290da984483c3671679c43368150cf7fd7791a47bf71733b2d5de4

  • SHA512

    5587f5b4c4820ccbcd5689b2317abc6d6fd886f9264b876b664ec551f805355ca2c3aee4caf8e9ca47ac8b1c4571ff783d04b5ca4ea8340a8965b00dd307a1e4

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\5e17489f14290da984483c3671679c43368150cf7fd7791a47bf71733b2d5de4.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\5e17489f14290da984483c3671679c43368150cf7fd7791a47bf71733b2d5de4.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1552

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1552-114-0x0000000000000000-mapping.dmp
  • memory/1552-115-0x0000000074310000-0x000000007433E000-memory.dmp
    Filesize

    184KB

  • memory/1552-117-0x0000000004950000-0x0000000004956000-memory.dmp
    Filesize

    24KB