dridex | b271b962d79730c73596a8881eb02727736820bb6cd8071c8d81e6d4dc7a951e | Triage™

Analysis

max time kernel
11s
max time network
104s
platform
windows10_x64
resource
win10v20201028
submitted
12/11/2020, 13:47

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General

Target
yh0aj4z[1].pdf.dll
Sample201112-e66449gfaj

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

C2

77.220.64.39:443
69.164.207.140:3388
78.47.139.43:4443
103.244.206.74:33443

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/4808-1-0x0000000000BD0000-0x0000000000C0D000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4752 wrote to memory of 4808	4752	rundll32.exe	69
PID 4752 wrote to memory of 4808	4752	rundll32.exe	69
PID 4752 wrote to memory of 4808	4752	rundll32.exe	69

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\yh0aj4z[1].pdf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\yh0aj4z[1].pdf.dll,#1
  2⤵
  PID:4808

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4808-1-0x0000000000BD0000-0x0000000000C0D000-memory.dmp

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