Analysis

  • max time kernel
    26s
  • max time network
    94s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    15/06/2021, 11:17

General

  • Target

    4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17.dll

  • Size

    170KB

  • MD5

    f82144ab012287ea030380054e4545a8

  • SHA1

    52195ba27f29dad90a7ab49d271744c78f5e757f

  • SHA256

    4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17

  • SHA512

    eb057ce3e196fc4645aae1ce5fed07d32ea2566bb3f8c74eb2f9d8cabd3c4f519553e897ea77711155d089a6645e75f644361e57d407c8af7104f3eafa7c8ef4

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

128.199.200.38:443

192.163.233.216:6601

43.229.206.244:4125

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.

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4549aee7a2aa94132467a8b573f4757fb8809604626f16dbaa9e3aea39fc4e17.dll,#1
      2⤵
        PID:920
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2888

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/920-115-0x00000000744D0000-0x0000000074500000-memory.dmp

            Filesize

            192KB

          • memory/920-117-0x00000000006E0000-0x00000000006E6000-memory.dmp

            Filesize

            24KB