dridex | 4b4eb0f47e953bfa6db3e12b5d4feef7d3da1b7db2c00fe57da3d1a7030633b3 | Triage™

Analysis

max time kernel
119s
max time network
119s
platform
windows10_x64
resource
win10v20201028
submitted
04/12/2020, 19:37

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General

Target
b57970faf1462aa71ce4c43769064560.dll
Size 348KB
Sample201204-5m6n55899x
SHA256 4b4eb0f47e953bfa6db3e12b5d4feef7d3da1b7db2c00fe57da3d1a7030633b3
MD5 b57970faf1462aa71ce4c43769064560
SHA1 ab6a71e8535759072a5c90a7c93c6d752b9e74ea
SHA512 8fc43f2b4109b432afbfa58055f7f5ad8d258c0ae9a9664bb108c99efc6a3bb040f74541b59ab769318a22ff0862634f3faecbead0a13ea96c77998e6362a361
MD5 SHA1 SHA512

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

185.59.223.86:443
123.231.252.10:4646
85.25.109.116:3889
91.83.93.89:4643

rc4.plain

rc4.plain

Signatures

Dridex
Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.
botnet dridex

Dridex Loader 1 IoCs

Detects Dridex both x86 and x64 loader in memory.

resource	yara_rule
behavioral2/memory/652-3-0x0000000004CF0000-0x0000000004D2D000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 652	1924	rundll32.exe	69
PID 1924 wrote to memory of 652	1924	rundll32.exe	69
PID 1924 wrote to memory of 652	1924	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b57970faf1462aa71ce4c43769064560.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b57970faf1462aa71ce4c43769064560.dll,#1
  2⤵
  PID:652

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/652-3-0x0000000004CF0000-0x0000000004D2D000-memory.dmp

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