dridex | b271b962d79730c73596a8881eb02727736820bb6cd8071c8d81e6d4dc7a951e

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

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

77.220.64.39:443

69.164.207.140:3388

78.47.139.43:4443

103.244.206.74:33443

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.

botnet loader

Processes:

resource	yara_rule
behavioral2/memory/4808-1-0x0000000000BD0000-0x0000000000C0D000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4752 wrote to memory of 4808	4752	rundll32.exe	rundll32.exe
PID 4752 wrote to memory of 4808	4752	rundll32.exe	rundll32.exe
PID 4752 wrote to memory of 4808	4752	rundll32.exe	rundll32.exe

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

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4808-0-0x0000000000000000-mapping.dmp

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

Filesize
244KB

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