Analysis

  • max time kernel
    23s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    21-04-2021 18:18

General

  • Target

    80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e.dll

  • Size

    154KB

  • MD5

    fada5bcb911b859e82083b0ca82c649f

  • SHA1

    fc3ee85ae981e107e75133a07655d74303c7765f

  • SHA256

    80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e

  • SHA512

    cfbbee23ae1b92e49c0e3f9b3208c35b5dd6fc0d6bb31b3c126ee3d693252463abd90c68576638a3526908fd9898a6582563bb769179e20d3ee49b13e60b9eda

Malware Config

Extracted

Family

dridex

Botnet

40111

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\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3904
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\80321fa4060c418b0c71ed6daf23dca3797f4d624e66a4d315173dfb5c94da8e.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3192

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/3192-114-0x0000000000000000-mapping.dmp
  • memory/3192-115-0x0000000074380000-0x00000000743AD000-memory.dmp
    Filesize

    180KB

  • memory/3192-117-0x0000000002EB0000-0x0000000002FFA000-memory.dmp
    Filesize

    1.3MB