dridex | d49f5b9b3da2c5ae18f28c40d008544337ba6e5febd76a8c88619079d0c262ca

Analysis

max time kernel
12s
max time network
112s
platform
windows10_x64
resource
win10v20201028
submitted
18-11-2020 12:31

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General

Target

mdhnt.dll
Size

539KB
MD5

fc8998b5afaa9a1d1c6f1eaf8641a967
SHA1

db53da2690b86741ddd7837a974bd31cb063270e
SHA256

d49f5b9b3da2c5ae18f28c40d008544337ba6e5febd76a8c88619079d0c262ca
SHA512

89e3d4e2ba2054d737b118d4ad7772afeb26a407b5ec010a1cf1429e162a11eccfd8e6f2289c6efa9920932d49dee14f099966175138b3623b29e073bdb07081

Score

10^/10

dridex 10444 botnet loader

Malware Config

Extracted

Family

dridex

Botnet

10444

162.241.44.26:9443

192.232.229.53:4443

77.220.64.34:443

193.90.12.121:3098

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/492-1-0x0000000004270000-0x00000000042AD000-memory.dmp	dridex_ldr

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 580 wrote to memory of 492	580	rundll32.exe	rundll32.exe
PID 580 wrote to memory of 492	580	rundll32.exe	rundll32.exe
PID 580 wrote to memory of 492	580	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mdhnt.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:580

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mdhnt.dll,#1
2⤵
PID:492

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/492-0-0x0000000000000000-mapping.dmp

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memory/492-1-0x0000000004270000-0x00000000042AD000-memory.dmp

Filesize
244KB

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