Analysis

  • max time kernel
    19s
  • max time network
    152s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    15/06/2021, 12:05

General

  • Target

    acbbe33c1a15f803f2ba6262b76e57cd5bb0fe8e210eeaf1b1b492b78deedb83.dll

  • Size

    172KB

  • MD5

    df7a9e137b8bc5ec8ef4bff980bb0909

  • SHA1

    4ea3cef1ac505aa2537f6bc2275ed0087c65a06b

  • SHA256

    acbbe33c1a15f803f2ba6262b76e57cd5bb0fe8e210eeaf1b1b492b78deedb83

  • SHA512

    14f25cd9650b4fbb10753909ff2e760e2c7fa3e2a502d70952c4aa4df7f7d6b79dc8657194016bb66f19ab286a21e0f445a694b0007f6d13fc90d09ebe07540e

Malware Config

Extracted

Family

dridex

Botnet

40112

C2

210.65.244.187:443

162.241.41.92:2303

46.231.204.10:8172

185.183.159.100:4125

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\acbbe33c1a15f803f2ba6262b76e57cd5bb0fe8e210eeaf1b1b492b78deedb83.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:500
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\acbbe33c1a15f803f2ba6262b76e57cd5bb0fe8e210eeaf1b1b492b78deedb83.dll,#1
      2⤵
        PID:3128
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3128 -s 680
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3872

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          • memory/3128-115-0x0000000074300000-0x0000000074330000-memory.dmp

            Filesize

            192KB

          • memory/3128-117-0x0000000002A00000-0x0000000002B4A000-memory.dmp

            Filesize

            1.3MB