Analysis

  • max time kernel
    19s
  • max time network
    112s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-06-2021 07:34

General

  • Target

    7e93400d66225439aeaeb2be13a9b4db0b9588093d2f3a5a56ef6079856d43a0.dll

  • Size

    162KB

  • MD5

    dfeffc8d915edb2c985d533e6f9dbfc4

  • SHA1

    3505442acb4e09baea460d1e3c32c039364936c2

  • SHA256

    7e93400d66225439aeaeb2be13a9b4db0b9588093d2f3a5a56ef6079856d43a0

  • SHA512

    19c6d71bc845d2d45cfd3f86f1eb0f0ba1bc0a89cb49c15af6652ec90f7e5c3d873b65e39bba3627c6df858cd4a5f4552e38761a043beb801d8f9f049177ca61

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\7e93400d66225439aeaeb2be13a9b4db0b9588093d2f3a5a56ef6079856d43a0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3956
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\7e93400d66225439aeaeb2be13a9b4db0b9588093d2f3a5a56ef6079856d43a0.dll,#1
      2⤵
      • Checks whether UAC is enabled
      PID:3188

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3188-115-0x00000000741E0000-0x000000007420E000-memory.dmp

    Filesize

    184KB

  • memory/3188-117-0x00000000009C0000-0x00000000009C6000-memory.dmp

    Filesize

    24KB