Analysis

  • max time kernel
    26s
  • max time network
    35s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    22-04-2021 00:12

General

  • Target

    384c7e95033c401cb22e957b4e6da9e1a69e9420ef4f89a83000e54fa751407e.dll

  • Size

    158KB

  • MD5

    f1ae8bb65fa26aeb9e9cc1b152264110

  • SHA1

    9eb90727f740f088486ea6236be70a238e67fa10

  • SHA256

    384c7e95033c401cb22e957b4e6da9e1a69e9420ef4f89a83000e54fa751407e

  • SHA512

    58488e71bb49423b02a1d6a3a416f09b26ac6d532b76ea75d0d615525c9f4c56f4784d8f8d732cd7a486e3976ebdc6d6a481b557d14a334254793cbb21a920da

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

94.247.168.64:443

159.203.93.122:8172

50.116.27.97:2303

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\384c7e95033c401cb22e957b4e6da9e1a69e9420ef4f89a83000e54fa751407e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:856
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\384c7e95033c401cb22e957b4e6da9e1a69e9420ef4f89a83000e54fa751407e.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:1328

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1328-114-0x0000000000000000-mapping.dmp
  • memory/1328-115-0x00000000738F0000-0x000000007391D000-memory.dmp
    Filesize

    180KB

  • memory/1328-117-0x00000000029D0000-0x00000000029D6000-memory.dmp
    Filesize

    24KB